#0D3440#0D3440

#0D3440 is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.4% C 0.048 H 222.3°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#0D3440
RGB	rgb(13, 52, 64)
HSL	hsl(194, 66%, 15%)
HSV	hsv(194, 80%, 25%)
CMYK	cmyk(79.7%, 18.8%, 0%, 74.9%)
CIE-LAB	lab(19.69, -8.80, -11.45)
CIE-LCH	lch(19.69, 14.44, 232.45°)
OKLab	oklab(30.4% -0.0352 -0.032)
OKLCH	oklch(30.4% 0.048 222.3)
XYZ	xyz(2.3190, 2.9115, 5.2892)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0D3440 #40190D

analogous

#0D4033 #0D3440 #0D1A40

triadic

#0D3440 #400D34 #34400D

tetradic

#0D3440 #330D40 #40190D #1A400D

square

#0D3440 #330D40 #40190D #1A400D

split-complementary

#0D3440 #400D1A #40330D

monochromatic

#051519 #051519 #0D3440 #175D73 #2287A6

Accessibility & contrast

On white

13.27

#0D3440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#0D3440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0D3440

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0D3440	#FFFFFF	#000000	##FFFFFF
##0D3440	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3341

Deuteranopia (green-blind)

#262D40

Tritanopia (blue-blind)

#003838

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #0d3440;
/* rgb */ color: rgb(13, 52, 64);
/* oklch */ color: oklch(30.4% 0.048 222.3);

Tailwind

colors: {
  custom: {
    50: '#546b74',
    500: '#0d3440',
    950: '#000000',
  },
}

SCSS

$custom: #0d3440;
$custom-light: #546b74;
$custom-dark: #000000;

JSON

{
  "hex": "#0d3440",
  "rgb": {
    "r": 13,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 194.118,
    "s": 66.234,
    "l": 15.098
  },
  "oklch": {
    "l": 0.30405,
    "c": 0.04754,
    "h": 222.3
  },
  "luminance": 0.02912
}

Semantic roles & 50–950 ramp

primary

#0D3440

secondary

#7C402D

accent

#673FE9

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0D3440

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →