#0B313C#0B313C

#0B313C is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.2% C 0.046 H 221.1°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#0B313C
RGB	rgb(11, 49, 60)
HSL	hsl(193, 69%, 14%)
HSV	hsv(193, 82%, 24%)
CMYK	cmyk(81.7%, 18.3%, 0%, 76.5%)
CIE-LAB	lab(18.34, -8.79, -10.79)
CIE-LCH	lch(18.34, 13.92, 230.82°)
OKLab	oklab(29.24% -0.0346 -0.0301)
OKLCH	oklch(29.24% 0.046 221.1)
XYZ	xyz(2.0516, 2.5938, 4.6666)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B313C #3C160B

analogous

#0B3C2F #0B313C #0B193C

triadic

#0B313C #3C0B31 #313C0B

tetradic

#0B313C #2F0B3C #3C160B #193C0B

square

#0B313C #2F0B3C #3C160B #193C0B

split-complementary

#0B313C #3C0B19 #3C2F0B

monochromatic

#05151A #05151A #0B313C #145B70 #1E85A3

Accessibility & contrast

On white

13.83

#0B313C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#0B313C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B313C

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B313C	#FFFFFF	#000000	##FFFFFF
##0B313C	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A303D

Deuteranopia (green-blind)

#242B3C

Tritanopia (blue-blind)

#003535

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0b313c;
/* rgb */ color: rgb(11, 49, 60);
/* oklch */ color: oklch(29.2% 0.046 221.1);

Tailwind

colors: {
  custom: {
    50: '#526971',
    500: '#0b313c',
    950: '#000000',
  },
}

SCSS

$custom: #0b313c;
$custom-light: #526971;
$custom-dark: #000000;

JSON

{
  "hex": "#0b313c",
  "rgb": {
    "r": 11,
    "g": 49,
    "b": 60
  },
  "hsl": {
    "h": 193.469,
    "s": 69.014,
    "l": 13.922
  },
  "oklch": {
    "l": 0.29245,
    "c": 0.04586,
    "h": 221.1
  },
  "luminance": 0.02594
}

Semantic roles & 50–950 ramp

primary

#0B313C

secondary

#793C2A

accent

#633CEC

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #0B313C

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

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