#0B2139#0B2139

#0B2139 is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.4% C 0.054 H 252.6°. Best body text is #FFFFFF at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#0B2139
RGB	rgb(11, 33, 57)
HSL	hsl(211, 68%, 13%)
HSV	hsv(211, 81%, 22%)
CMYK	cmyk(80.7%, 42.1%, 0%, 77.6%)
CIE-LAB	lab(12.31, 1.11, -18.09)
CIE-LCH	lch(12.31, 18.12, 273.51°)
OKLab	oklab(24.41% -0.0161 -0.0514)
OKLCH	oklch(24.41% 0.054 252.6)
XYZ	xyz(1.4201, 1.4541, 4.0759)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2139 #39230B

analogous

#0B3839 #0B2139 #0C0B39

triadic

#0B2139 #390B21 #21390B

tetradic

#0B2139 #390B38 #39230B #0B390C

square

#0B2139 #390B38 #39230B #0B390C

split-complementary

#0B2139 #390C0B #38390B

monochromatic

#050F1A #050F1A #0B2139 #153F6C #1F5CA0

Accessibility & contrast

On white

16.27

#0B2139 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0B2139 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2139

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2139	#FFFFFF	#000000	##FFFFFF
##0B2139	1.00	16.27	1.29	16.27
#FFFFFF	16.27	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16233A

Deuteranopia (green-blind)

#101E39

Tritanopia (blue-blind)

#00272A

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0b2139;
/* rgb */ color: rgb(11, 33, 57);
/* oklch */ color: oklch(24.4% 0.054 252.6);

Tailwind

colors: {
  custom: {
    50: '#515b6f',
    500: '#0b2139',
    950: '#000000',
  },
}

SCSS

$custom: #0b2139;
$custom-light: #515b6f;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2139",
  "rgb": {
    "r": 11,
    "g": 33,
    "b": 57
  },
  "hsl": {
    "h": 211.304,
    "s": 67.647,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24411,
    "c": 0.05387,
    "h": 252.6
  },
  "luminance": 0.01454
}

Semantic roles & 50–950 ramp

primary

#0B2139

secondary

#76522A

accent

#983DEB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0B2139

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

Preview Lab → · Contrast checker → · Palette generator →