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blue · cool

#0e1321

a deep, soft blue · cool · closest name: Black

Token name suggestion: Abyss Sapphire

RGB
14, 19, 33
HSL
224°, 40%, 9%
CMYK
58, 42, 0, 87
Luminance
0.0067

#0e1321 is a deep soft blue, 224° on the wheel and 92/100 on the cool side. Put white text on it (18.52:1). As text it scores 18.52:1 on white — safe at any size. Nearest name is Black, nearest Tailwind family is gray.

hsl(224 40% 9%)rgb(14 19 33)Base step 950AAA inkCool

At a glance

Every number on this page in one read: what #0e1321 is made of, how bright it looks, and which way it leans.

Hex
#0e1321
Hue
224°
blue
Saturation
40%
soft
Lightness
9%
deep
Brightness
13%
HSV value
Perceived
8%
weighted brightness
Luminance
0.0067
WCAG relative
Temperature
Cool
92/100 cool
Color family
Blue
Tone
Soft
Best ink
White
18.52:1
Closest name
Black
ΔE2000 9.4
Chroma
10.5
LCH, 0–130ish
OKLCH L
0.189
perceptual lightness
Tailwind
gray
500 · ΔE 31.4
Web-safe
#000033
nearest of 216
Where it sits
Hue224° of 360°
Saturation40%
Lightness9%
Saturation × lightness field

Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #0e1321.

Temperature
Warm ← → Cool92% cool

Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Luminance by channel
Red14%
Green70%
Blue16%

Green carries most of what the eye calls brightness — that is why WCAG weights it 0.7152.

Every format

HEX#0e1321
HEX (8-digit)#0e1321ff
RGBrgb(14, 19, 33)
RGBArgba(14, 19, 33, 1)
HSLhsl(224, 40%, 9%)
HSV / HSBhsv(224, 58%, 13%)
HWBhwb(224 5% 87%)
CMYKcmyk(58%, 42%, 0%, 87%)
LABlab(6.0 2.2 -10.3)
LCHlch(6.0 10.5 281.9)
OKLCHoklch(0.189 0.030 268.5)
XYZ (D65)xyz(0.69, 0.67, 1.53)
Decimal922401
Display P3color(display-p3 0.055 0.075 0.129)
Web-safe#000033

Copy-ready code

every platformclick to select
/* CSS */
color: #0e1321;
background-color: #0e1321;
/* CSS custom property */
--brand: #0e1321;
/* Tailwind (arbitrary) */
class="text-[#0e1321] bg-[#0e1321]"
/* SCSS */
$brand: #0e1321;
/* SwiftUI */
Color(red: 0.055, green: 0.075, blue: 0.129)
/* UIKit */
UIColor(red: 0.055, green: 0.075, blue: 0.129, alpha: 1)
/* Android XML */
<color name="brand">#0E1321</color>
/* Android Compose */
Color(0xFF0E1321)
/* Flutter */
Color(0xFF0E1321)
/* Python / OpenCV (BGR) */
(33, 19, 14)
/* Python / PIL (RGB) */
(14, 19, 33)
/* Java AWT */
new Color(14, 19, 33)
/* .NET */
Color.FromArgb(255, 14, 19, 33)
/* OpenGL / Unity (0–1) */
(0.0549f, 0.0745f, 0.1294f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{14,19,33}
modern cssclick to select
/* mix without leaving CSS */
background: color-mix(in oklab, #0e1321 85%, white);
border-color: color-mix(in oklab, #0e1321 40%, transparent);
/* theme-aware in one line */
color: light-dark(#26345A, #D4DBED);
/* relative colour syntax */
--hover: hsl(from #0e1321 h s calc(l - 7));

Design tokens

The same ramp in the four formats a team actually needs. Paste one and the whole palette lands with it.

css custom propertiesclick to select
:root {
  --brand-50: #F5F6FA;
  --brand-100: #EBEDF5;
  --brand-200: #D2D8EA;
  --brand-300: #B0BCDE;
  --brand-400: #899BCD;
  --brand-500: #6179BC;
  --brand-600: #4963AC;
  --brand-700: #3D528F;
  --brand-800: #314273;
  --brand-900: #263254;
  --brand-950: #0e1321;
  --brand: #0e1321;
  --brand-ink: #ffffff;
  --brand-surface: #F4F6FA;
  --brand-border: #C6CEE7;
  --brand-hover: #030508;
  --brand-pressed: #000000;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand-surface: #141824;
    --brand-ink: #D4DBED;
  }
}
tailwind.config.jsclick to select
theme: {
  extend: {
    colors: {
      brand: {
        50: '#F5F6FA',
        100: '#EBEDF5',
        200: '#D2D8EA',
        300: '#B0BCDE',
        400: '#899BCD',
        500: '#6179BC',
        600: '#4963AC',
        700: '#3D528F',
        800: '#314273',
        900: '#263254',
        950: '#0e1321',
        DEFAULT: '#0e1321',
      },
    },
  },
}
scss mapclick to select
$brand: (
  '50': #F5F6FA,
  '100': #EBEDF5,
  '200': #D2D8EA,
  '300': #B0BCDE,
  '400': #899BCD,
  '500': #6179BC,
  '600': #4963AC,
  '700': #3D528F,
  '800': #314273,
  '900': #263254,
  '950': #0e1321,
);
$brand-base: #0e1321;
$brand-ink: #ffffff;

@function brand($step) { @return map-get($brand, $step); }
w3c design tokens (json)click to select
{
  "color": {
    "brand": {
      "50": { "$value": "#F5F6FA", "$type": "color" },
      "100": { "$value": "#EBEDF5", "$type": "color" },
      "200": { "$value": "#D2D8EA", "$type": "color" },
      "300": { "$value": "#B0BCDE", "$type": "color" },
      "400": { "$value": "#899BCD", "$type": "color" },
      "500": { "$value": "#6179BC", "$type": "color" },
      "600": { "$value": "#4963AC", "$type": "color" },
      "700": { "$value": "#3D528F", "$type": "color" },
      "800": { "$value": "#314273", "$type": "color" },
      "900": { "$value": "#263254", "$type": "color" },
      "950": { "$value": "#0e1321", "$type": "color" }
    },
    "brandInk": { "$value": "#ffffff", "$type": "color" }
  }
}

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#ffffff on #0e1321 · 18.52:1
Use #ffffffAAA at every size.
Aa
12px
Aa
16px
Aa
24px
Aa
White text · 18.52:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 1.13:1
AA fail · AA large fail · AAA fail
Reading the other direction: #0e1321 as text scores 18.52:1 on white and 1.13:1 on black.
Best tinted ink on it, if plain black or white feels flat: #EDF0F7 at 16.24:1.

Make it accessible

A contrast checker tells you that you failed. This tells you what to ship instead — same hue, same saturation, lightness moved only as far as WCAG demands.

The quick fox
#0e1321 · 18.52:1
AA on whitealready passes
#0e1321
The quick fox
#0e1321 · 18.52:1
AAA on whitealready passes
#0e1321
The quick fox
#5B74B9 · 4.64:1
AA on black+45% L
#5B74B9
The quick fox
#8295CA · 7.10:1
AAA on black+56% L
#8295CA

Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #0E1321 is enough for headings on white. Non-text elements such as icons, chart strokes and focus rings also sit at 3:1 under WCAG 2.2 (1.4.11).

Accessibility — WCAG contrast

Aa
#0e1321 on white: 18.52:1
AA ✓ pass · AA-large · AAA
Aa
#0e1321 on black: 1.13:1
AA ✗ fail · AA-large · AAA
Against the neutral ladder

Contrast is symmetric, so each row covers both directions: #0e1321 as text on that neutral, and that neutral as text on #0e1321.

NeutralRatioBoth directions
White18.52:1AaAa
Slate 5017.70:1AaAa
Slate 10016.91:1AaAa
Slate 20015.02:1AaAa
Slate 30012.48:1AaAa
Slate 4007.22:1AaAa
Slate 5003.89:1AaAa
Slate 6002.44:1AaAa
Slate 7001.79:1AaAa
Slate 8001.27:1AaAa
Slate 9001.04:1AaAa
Black1.13:1AaAa
Colour vision deficiency
true color
protanopia · #0E1422
deuteranopia · #0C1321
tritanopia · #081618

Roughly one man in twelve has some form of colour vision deficiency. If any of the three panels above is hard to tell apart from a neighbouring colour in your palette, add a shape, an icon or a label so the meaning does not rest on hue alone.

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #0e1321 is pinned to step 950; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F5F6FA
#EBEDF5
#D2D8EA
#B0BCDE
#899BCD
#6179BC
#4963AC
#3D528F
#314273
#263254
#0e1321
Base = 950Lightest = 50 · #F5F6FADarkest = 950 · #0e1321Text step on white = 600
Perceptual ramp — OKLCH

The same eleven steps expressed in OKLCH, where equal lightness numbers actually look equally spaced. HSL ramps go muddy in the yellows and washed out in the blues; this one does not. Modern browsers render it natively — the hex ramp above is the fallback.

50100200300400500600700800900950
oklch tokensclick to select
:root {
  --brand-50: oklch(0.97 0.007 268.5);
  --brand-100: oklch(0.94 0.012 268.5);
  --brand-200: oklch(0.88 0.018 268.5);
  --brand-300: oklch(0.80 0.023 268.5);
  --brand-400: oklch(0.72 0.027 268.5);
  --brand-500: oklch(0.64 0.030 268.5);
  --brand-600: oklch(0.56 0.030 268.5);
  --brand-700: oklch(0.48 0.028 268.5);
  --brand-800: oklch(0.40 0.025 268.5);
  --brand-900: oklch(0.32 0.021 268.5);
  --brand-950: oklch(0.24 0.016 268.5);
}

Colors that work with #0e1321

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#ffffff
White wins here
Surface#F4F6FA
Tinted page background
Border#C6CEE7
Hairlines and dividers
Muted text#4B609B
Captions on the surface
Accent#22170D
Second voice, not a rival
Dark variant#26345A
Hover, pressed, headers
Light variant#EDF0F7
Selected rows, tints
Dark surface#141824
Dark-mode background
Hover#030508
One step down in lightness
Pressed#000000
Two steps down
Disabled#3E4761
Chroma pulled out
Focus ring#111A33
Offset from the fill so it reads
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

In real components

The same eight roles, wired into the interface patterns you will actually build with them. Every state below is a computed value, not a mock-up.

Buttons and states
Save changesHoverPressedDisabled
OutlineSubtleLinkFocused
Form field
you@company.com

Focus ring uses the light variant so the field still reads as one shape.

Send me product updates
Notice
Your export is ready

The file stays available for seven days. Download it before it expires.

NewBetaDraft
Data
Storage used68%
Acme LtdActive
NorthwindTrial
GlobexActive

How to use #0e1321

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Body text and links on white
  • Charts, tags and secondary surfaces
  • Headers, footers and dark-mode surfaces
  • Brand accents, badges and data highlights
Use with care
  • Text on black or near-black surfaces
  • Black text placed on it
  • Pairing with a same-lightness hue — edges vibrate
Minimum size as text on white
Any size
Safe as a fill behind white type
Yes
Safe as a 1px border on white
Yes

Meaning and mood

What a colour in this family tends to signal, and how this particular chroma and lightness change the reading.

trustedcalmcompetentcorporate

The default of institutions for a reason: blue is read as stable and safe across nearly every culture that has been surveyed.

The muted chroma softens the association — it reads considered rather than loud, which suits long-form and data-heavy screens. The low lightness adds weight and formality.

Worth knowing

It is also the most crowded hue on the web. Distinctiveness has to come from your other choices.

Reads as
  • FormalityHigh
  • EnergyMedium
  • Weight91/100
  • TemperatureCool
  • ApproachabilityReserved

Colour associations are cultural and vary by market. Treat these as a starting point for a conversation with your audience, not a finding about them.

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#211C0E
Analogous left#0E1C21
Analogous right#120E21
Split-complement 1#21120E
Split-complement 2#1C210E
Triadic 1#210E13
Triadic 2#13210E
Tetradic#210E1C
On the wheel
Base+30°−30°+120°+240°+180°224°

#0e1321 sits at 224°. Every dot is a harmony position and links to its own page in the table alongside.

RGB percentages

Red5.5%
Green7.5%
Blue12.9%
R · 0–255
14
0x0e
G · 0–255
19
0x13
B · 0–255
33
0x21

CMYK percentages

Cyan57.6%
Magenta42.4%
Yellow0.0%
Key (black)87.1%

Total ink coverage is 187%. Most commercial presses cap around 300% — above that, sheets stop drying properly.

Color previews

#0e1321 text on a black background

contrast 1.13:1

Card sample

#0e1321 text on a white background

contrast 18.52:1

Card sample

#0e1321 on grey

16.91:1

#0e1321 on its own surface

17.12:1

#0e1321 on its dark surface

1.05:1

CSS3 live lab

Text font color

The quick brown fox

color: #0e1321;
Background color
Panel with #0e1321 background
background-color: #0e1321;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #0e1321;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(14, 19, 33, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(14, 19, 33, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0e1321;
background: linear-gradient(135deg, #0e1321, #160E21);
Gradient text

Gradient headline

background: linear-gradient(90deg, #0e1321, #1A0E21);
-webkit-background-clip: text;
color: transparent;
Focus ring
Focused control
outline: 2px solid #0e1321;
outline-offset: 3px;
Underline & caret

Marked up text

text-decoration-color: #0e1321;
caret-color: #0e1321;
Left rule
Pull quote or callout
border-left: 4px solid #0e1321;
Ring + tint
Selected chip
background: #EDF0F7;
box-shadow: inset 0 0 0 2px #0e1321;
Conic badge
68%
background: conic-gradient(#0e1321 68%, #e2e8f0 0);

Transparency

What each alpha value actually composites to. The top row is #0e1321 over white; the bottom row is the same alpha over a checkerboard, so you can see what survives on a photo or a video.

Bottom row of hexes is the flattened result over white — use those when a design tool refuses transparency, or when you need a solid fallback.

alpha in every syntaxclick to select
rgba(14, 19, 33, 0.5)
rgb(14 19 33 / 50%)
#0e132180
hsl(224 40% 9% / 50%)
color-mix(in srgb, #0e1321 50%, transparent)
Alpha8-digit hexFlat on white
10%#0e13211a#E7E7E9
20%#0e132133#CFD0D3
40%#0e132166#9FA1A6
60%#0e132199#6E717A
80%#0e1321cc#3E424D

Gradients from #0e1321

Six recipes, each built from this hex and shown with the exact CSS that produced it.

Elevation
Same hue, three lightnesses — safe anywhere
background: linear-gradient(135deg, #202C4C, #0e1321 45%, #26345A);
Duotone
A short hue run reads richer than a flat fill
background: linear-gradient(120deg, #0e1321, #08050B);
Complement sweep
Loud — keep it behind large type only
background: linear-gradient(90deg, #0e1321, #211C0E);
Spotlight
Hero panels and app headers
background: radial-gradient(120% 120% at 20% 0%, #293861 0%, #0e1321 45%, #26345A 100%);
Soft wash
Section backgrounds that stay readable
background: linear-gradient(180deg, #F4F6FA, #ffffff);
Mesh
Ambient background, no image weight
background: radial-gradient(60% 60% at 15% 20%, #1D3F45 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #211736 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #26345A 0%, transparent 65%), #0e1321;

Monochromatic scale

Palettes built from #0e1321

Shades — darker

Tints — lighter

Tones — desaturated

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#0e1321 in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
TechnologyFinanceHealthcareEnterprise SaaS
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Converts to four-color process without much drama. Proof it anyway.

On screens

Very dark values collapse into each other on cheap panels — leave more lightness between your darkest steps than the numbers suggest.

In dark mode

Too dim on dark surfaces at 1.13:1 — lift it to #5B74B9 for body text, or reserve it for fills.

Explore nearby colors

Small, deliberate steps away from this hex — useful when you are hunting for the version of a colour that finally feels right.

#0e1321, answered

What color is #0e1321?

#0e1321 is a deep soft blue, closest to Black (ΔE2000 9.4). It sits at 224° on the hue wheel with 40% saturation and 9% lightness, which reads as cool.

What is the RGB value of #0e1321?

rgb(14, 19, 33) — 14 red, 19 green and 33 blue out of 255, or 5.5% / 7.5% / 12.9% by channel.

What is #0e1321 in HSL and HSV?

hsl(224, 40%, 9%) and hsv(224, 58%, 13%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.

Is #0e1321 a light or a dark color?

It is a dark color. Relative luminance is 0.0067 and perceived brightness is 8%, so white text on it reaches 18.52:1.

Should I use black or white text on #0e1321?

White. It scores 18.52:1 against #0e1321, versus 1.13:1 for black — AAA at any size.

Is #0e1321 accessible on a white background?

#0e1321 on white scores 18.52:1, which clears AAA at every size.

What is the complementary color of #0e1321?

#211C0E sits directly opposite on the wheel. Softer options are the split-complements #21120E and #1C210E, which give the same contrast with far less vibration.

What colors go well with #0e1321?

For interface work: #F4F6FA as the surface, #C6CEE7 for borders, #4B609B for secondary text, #22170D as an accent and #26345A for hover and pressed states. For a palette, the analogous pair #0E1C21 and #120E21 stays calm, while #211C0E is the loudest partner.

What is #0e1321 in CMYK for printing?

cmyk(58%, 42%, 0%, 87%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #0e1321 warm or cool?

Cool — it scores 92 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #100E21; nudged cooler, #0E1721.

Which Tailwind color is closest to #0e1321?

The gray family — its 500 step is #6b7280, ΔE2000 31.4 away. That is a visible difference, so define #0e1321 as a custom token rather than reaching for the built-in.

How do I use #0e1321 in Tailwind CSS?

Inline it as an arbitrary value with bg-[#0e1321] or text-[#0e1321], or register the whole ramp under theme.extend.colors.brand so you get bg-brand-500 and friends. The generated 50–950 scale on this page is ready to paste into your config.

What is #0e1321 with 50% opacity?

rgba(14, 19, 33, 0.5), or #0e132180 in eight-digit hex. Over white that composites to #878990; over black, #070A11.

Is #0e1321 a web-safe color?

No. The nearest web-safe colour is #000033, ΔE2000 11.7 away. The palette only matters for legacy displays and some email clients now.

What does the color #0e1321 mean?

As a blue, it reads trusted, calm, competent. The default of institutions for a reason: blue is read as stable and safe across nearly every culture that has been surveyed. At this moderate chroma the association is present but not shouted.

What gradient works with #0e1321?

The safest is same-hue elevation: linear-gradient(135deg, #202C4C, #0e1321 45%, #26345A). For more colour, a short hue run to #08050B keeps it rich without turning muddy.

Work with #0e1321 in the Color Lab

Every tool opens with this colour already loaded.

Every value on this page is computed from #0e1321 at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.