#0B2129#0B2129

#0B2129 is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.4% C 0.032 H 224.5°. Best body text is #FFFFFF at 16.62:1 contrast (WCAG AA passes).

Color values

HEX	#0B2129
RGB	rgb(11, 33, 41)
HSL	hsl(196, 58%, 10%)
HSV	hsv(196, 73%, 16%)
CMYK	cmyk(73.2%, 19.5%, 0%, 83.9%)
CIE-LAB	lab(11.41, -5.66, -7.99)
CIE-LCH	lch(11.41, 9.79, 234.71°)
OKLab	oklab(23.4% -0.0226 -0.0222)
OKLCH	oklch(23.4% 0.032 224.5)
XYZ	xyz(1.0820, 1.3189, 2.2949)
Luminance	0.0132 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2129 #29130B

analogous

#0B2922 #0B2129 #0B1229

triadic

#0B2129 #290B21 #21290B

tetradic

#0B2129 #220B29 #29130B #12290B

square

#0B2129 #220B29 #29130B #12290B

split-complementary

#0B2129 #290B12 #29220B

monochromatic

#061318 #061318 #0B2129 #184859 #256F8A

Accessibility & contrast

On white

16.62

#0B2129 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#0B2129 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2129

16.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2129	#FFFFFF	#000000	##FFFFFF
##0B2129	1.00	16.62	1.26	16.62
#FFFFFF	16.62	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D2029

Deuteranopia (green-blind)

#181D29

Tritanopia (blue-blind)

#002324

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #0b2129;
/* rgb */ color: rgb(11, 33, 41);
/* oklch */ color: oklch(23.4% 0.032 224.5);

Tailwind

colors: {
  custom: {
    50: '#4d5c62',
    500: '#0b2129',
    950: '#000000',
  },
}

SCSS

$custom: #0b2129;
$custom-light: #4d5c62;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2129",
  "rgb": {
    "r": 11,
    "g": 33,
    "b": 41
  },
  "hsl": {
    "h": 196,
    "s": 57.692,
    "l": 10.196
  },
  "oklch": {
    "l": 0.23397,
    "c": 0.03172,
    "h": 224.5
  },
  "luminance": 0.01319
}

Semantic roles & 50–950 ramp

primary

#0B2129

secondary

#653A2B

accent

#7047E1

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010405

muted

#777979

Preview Lab

Preview with #0B2129

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

Preview Lab → · Contrast checker → · Palette generator →