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#110c3e

a deep, vivid blue · cool · closest name: Midnight Blue

RGB
17, 12, 62
HSL
246°, 68%, 15%
CMYK
73, 81, 0, 76
Luminance
0.0073

At a glance

Every number on this page in one read: what #110c3e is made of, how bright it looks, and which way it leans.

Hex
#110c3e
Hue
246°
blue
Saturation
68%
vivid
Lightness
15%
deep
Brightness
24%
HSV value
Perceived
10%
weighted brightness
Luminance
0.0073
WCAG relative
Temperature
Cool
80/100 cool
Color family
Blue
Tone
Vivid
Best ink
White
18.32:1
Closest name
Midnight Blue
ΔE2000 9.2
Where it sits
Hue246° of 360°
Saturation68%
Lightness15%
Temperature
Warm ← → Cool80% cool

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

Every format

HEX#110c3e
RGBrgb(17, 12, 62)
HSLhsl(246, 68%, 15%)
CMYKcmyk(73%, 81%, 0%, 76%)
LABlab(6.6 20.1 -30.9)
LCHlch(6.6 36.8 303.0)
OKLCHoklch(0.203 0.091 279.1)
Decimal1117246
Display P3color(display-p3 0.067 0.047 0.243)

Copy-ready code

/* CSS */
color: #110c3e;
background-color: #110c3e;
/* Tailwind (arbitrary) */
class="text-[#110c3e] bg-[#110c3e]"
/* SCSS */
$brand: #110c3e;
/* SwiftUI */
Color(red: 0.067, green: 0.047, blue: 0.243)
/* Android */
Color.parseColor("#110c3e")
/* Flutter */
Color(0xFF110C3E)
/* Python / OpenCV (BGR) */
(62, 12, 17)

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 #110c3e · 18.32:1
Use #ffffffAAA at every size.
Aa
White text · 18.32:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 1.15:1
AA fail · AA large fail · AAA fail
Reading the other direction: #110c3e as text scores 18.32:1 on white and 1.15:1 on black.

Accessibility — WCAG contrast

Aa
#110c3e on white: 18.32:1
AA ✓ pass · AA-large · AAA
Aa
#110c3e on black: 1.15:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #00173F
deuteranopia · #00133D
tritanopia · #001A23

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #110c3e 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.

#F4F3FB
#E9E8F8
#CECAF2
#A9A1ED
#7D72E4
#5243DB
#3828CD
#2F21AB
#251A89
#1F1763
#110c3e
Base = 950Lightest = 50 · #F4F3FBDarkest = 950 · #110c3e
:root {
  --brand-50: #F4F3FB;
  --brand-100: #E9E8F8;
  --brand-200: #CECAF2;
  --brand-300: #A9A1ED;
  --brand-400: #7D72E4;
  --brand-500: #5243DB;
  --brand-600: #3828CD;
  --brand-700: #2F21AB;
  --brand-800: #251A89;
  --brand-900: #1F1763;
  --brand-950: #110c3e;
  --brand: #110c3e;
  --brand-ink: #ffffff;
}

Colors that work with #110c3e

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#F5F4FA
Tinted page background
Border#C4C0ED
Hairlines and dividers
Muted text#534B9B
Captions on the surface
Accent#3F380B
Second voice, not a rival
Dark variant#1D156B
Hover, pressed, headers
Light variant#EBEAFB
Selected rows, tints
Dark surface#151424
Dark-mode background
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

How to use #110c3e

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

Works well for
  • Body text and links on white
  • Primary buttons and calls to action
  • Focus rings, active and selected states
  • Headers, footers and dark-mode surfaces
  • Brand accents, badges and data highlights
Use with care
  • Text on black or near-black surfaces
  • Full-page backgrounds — tiring over long sessions
  • Black text placed on it
  • Pairing with a same-lightness hue — edges vibrate

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#393E0C
Analogous left#0C203E
Analogous right#2A0C3E
Split-complement 1#3E2A0C
Split-complement 2#203E0C
Triadic 1#3E110C
Triadic 2#0C3E11
Tetradic#3E0C20

RGB percentages

Red6.7%
Green4.7%
Blue24.3%

CMYK percentages

Cyan72.6%
Magenta80.6%
Yellow0.0%
Key (black)75.7%

Color previews

#110c3e text on a black background

contrast 1.15:1

Card sample

#110c3e text on a white background

contrast 18.32:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #110c3e;
Background color
Panel with #110c3e background
background-color: #110c3e;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #110c3e;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(17, 12, 62, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(17, 12, 62, 0.45);
Border & gradient
Gradient panel
border: 3px solid #110c3e;
background: linear-gradient(135deg, #110c3e, #320C3E);

Monochromatic scale

Palettes built from #110c3e

Shades — darker

Tints — lighter

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.

#110c3e 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.

#110c3e, answered

What color is #110c3e?

#110c3e is a deep vivid blue, closest to Midnight Blue (ΔE2000 9.2). It sits at 246° on the hue wheel with 68% saturation and 15% lightness, which reads as cool.

What is the RGB value of #110c3e?

rgb(17, 12, 62) — 17 red, 12 green and 62 blue out of 255, or 6.7% / 4.7% / 24.3% by channel.

Is #110c3e a light or a dark color?

It is a dark color. Relative luminance is 0.0073 and perceived brightness is 10%, so white text on it reaches 18.32:1.

Should I use black or white text on #110c3e?

White. It scores 18.32:1 against #110c3e, versus 1.15:1 for black — AAA at any size.

What is the complementary color of #110c3e?

#393E0C sits directly opposite on the wheel. Softer options are the split-complements #3E2A0C and #203E0C, which give the same contrast with far less vibration.

What colors go well with #110c3e?

For interface work: #F5F4FA as the surface, #C4C0ED for borders, #534B9B for secondary text, #3F380B as an accent and #1D156B for hover and pressed states. For a palette, the analogous pair #0C203E and #2A0C3E stays calm, while #393E0C is the loudest partner.

What is #110c3e in CMYK for printing?

cmyk(73%, 81%, 0%, 76%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #110c3e warm or cool?

Cool — it scores 80 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #230C3E; nudged cooler, #0B193F.

Work with #110c3e in the Color Lab