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#0d496e

a deep, electric blue · cool · closest name: Dark Slate Blue

RGB
13, 73, 110
HSL
203°, 79%, 24%
CMYK
88, 34, 0, 57
Luminance
0.0598

At a glance

Every number on this page in one read: what #0d496e is made of, how bright it looks, and which way it leans.

Hex
#0d496e
Hue
203°
blue
Saturation
79%
electric
Lightness
24%
deep
Brightness
43%
HSV value
Perceived
26%
weighted brightness
Luminance
0.0598
WCAG relative
Temperature
Cool
97/100 cool
Color family
Blue
Tone
Electric
Best ink
White
9.57:1
Closest name
Dark Slate Blue
ΔE2000 14.3
Where it sits
Hue203° of 360°
Saturation79%
Lightness24%
Temperature
Warm ← → Cool97% 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#0d496e
RGBrgb(13, 73, 110)
HSLhsl(203, 79%, 24%)
CMYKcmyk(88%, 34%, 0%, 57%)
LABlab(29.4 -3.7 -26.5)
LCHlch(29.4 26.8 262.0)
OKLCHoklch(0.389 0.085 242.1)
Decimal870766
Display P3color(display-p3 0.051 0.286 0.431)

Copy-ready code

/* CSS */
color: #0d496e;
background-color: #0d496e;
/* Tailwind (arbitrary) */
class="text-[#0d496e] bg-[#0d496e]"
/* SCSS */
$brand: #0d496e;
/* SwiftUI */
Color(red: 0.051, green: 0.286, blue: 0.431)
/* Android */
Color.parseColor("#0d496e")
/* Flutter */
Color(0xFF0D496E)
/* Python / OpenCV (BGR) */
(110, 73, 13)

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 #0d496e · 9.57:1
Use #ffffffAAA at every size.
Aa
White text · 9.57:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 2.20:1
AA fail · AA large fail · AAA fail
Reading the other direction: #0d496e as text scores 9.57:1 on white and 2.20:1 on black.

Accessibility — WCAG contrast

Aa
#0d496e on white: 9.57:1
AA ✓ pass · AA-large · AAA
Aa
#0d496e on black: 2.20:1
AA ✗ fail · AA-large · AAA
true color
protanopia · #374A70
deuteranopia · #2A416D
tritanopia · #005256

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #0d496e is pinned to step 900; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F3F8FC
#E6F2F9
#C7E3F5
#9BD1F3
#68BBED
#36A4E7
#1A91DB
#1679B6
#116192
#0d496e
#0A2D42
Base = 900Lightest = 50 · #F3F8FCDarkest = 950 · #0A2D42
:root {
  --brand-50: #F3F8FC;
  --brand-100: #E6F2F9;
  --brand-200: #C7E3F5;
  --brand-300: #9BD1F3;
  --brand-400: #68BBED;
  --brand-500: #36A4E7;
  --brand-600: #1A91DB;
  --brand-700: #1679B6;
  --brand-800: #116192;
  --brand-900: #0d496e;
  --brand-950: #0A2D42;
  --brand: #0d496e;
  --brand-ink: #ffffff;
}

Colors that work with #0d496e

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#F4F8FA
Tinted page background
Border#C0DCED
Hairlines and dividers
Muted text#4B7C9B
Captions on the surface
Accent#70180B
Second voice, not a rival
Dark variant#0D4C72
Hover, pressed, headers
Light variant#E8F5FC
Selected rows, tints
Dark surface#141E24
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 #0d496e

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#6E320D
Analogous left#0D6E62
Analogous right#0D186E
Split-complement 1#6E0D18
Split-complement 2#6E620D
Triadic 1#6E0D49
Triadic 2#496E0D
Tetradic#620D6E

RGB percentages

Red5.1%
Green28.6%
Blue43.1%

CMYK percentages

Cyan88.2%
Magenta33.6%
Yellow0.0%
Key (black)56.9%

Color previews

#0d496e text on a black background

contrast 2.20:1

Card sample

#0d496e text on a white background

contrast 9.57:1

Card sample

CSS3 live lab

Text font color

The quick brown fox

color: #0d496e;
Background color
Panel with #0d496e background
background-color: #0d496e;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #0d496e;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(13, 73, 110, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(13, 73, 110, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0d496e;
background: linear-gradient(135deg, #0d496e, #120D6E);

Monochromatic scale

Palettes built from #0d496e

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.

#0d496e 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

Sits outside most CMYK gamuts — expect a duller press result, or specify a spot ink.

#0d496e, answered

What color is #0d496e?

#0d496e is a deep electric blue, closest to Dark Slate Blue (ΔE2000 14.3). It sits at 203° on the hue wheel with 79% saturation and 24% lightness, which reads as cool.

What is the RGB value of #0d496e?

rgb(13, 73, 110) — 13 red, 73 green and 110 blue out of 255, or 5.1% / 28.6% / 43.1% by channel.

Is #0d496e a light or a dark color?

It is a dark color. Relative luminance is 0.0598 and perceived brightness is 26%, so white text on it reaches 9.57:1.

Should I use black or white text on #0d496e?

White. It scores 9.57:1 against #0d496e, versus 2.20:1 for black — AAA at any size.

What is the complementary color of #0d496e?

#6E320D sits directly opposite on the wheel. Softer options are the split-complements #6E0D18 and #6E620D, which give the same contrast with far less vibration.

What colors go well with #0d496e?

For interface work: #F4F8FA as the surface, #C0DCED for borders, #4B7C9B for secondary text, #70180B as an accent and #0D4C72 for hover and pressed states. For a palette, the analogous pair #0D6E62 and #0D186E stays calm, while #6E320D is the loudest partner.

What is #0d496e in CMYK for printing?

cmyk(88%, 34%, 0%, 57%). This is a screen-to-ink approximation — a color this saturated sits outside most CMYK gamuts and will print duller than it looks here.

Is #0d496e warm or cool?

Cool — it scores 97 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #0D6C6E; nudged cooler, #093258.

Work with #0d496e in the Color Lab