#0B2437#0B2437

#0B2437 is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.1% C 0.047 H 244.4°. Best body text is #FFFFFF at 15.89:1 contrast (WCAG AA passes).

Color values

HEX	#0B2437
RGB	rgb(11, 36, 55)
HSL	hsl(206, 67%, 13%)
HSV	hsv(206, 80%, 22%)
CMYK	cmyk(80%, 34.5%, 0%, 78.4%)
CIE-LAB	lab(13.28, -1.98, -15.14)
CIE-LCH	lch(13.28, 15.27, 262.56°)
OKLab	oklab(25.13% -0.0205 -0.0428)
OKLCH	oklch(25.13% 0.047 244.4)
XYZ	xyz(1.4582, 1.6086, 3.8473)
Luminance	0.0161 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2437 #371E0B

analogous

#0B3734 #0B2437 #0B0E37

triadic

#0B2437 #370B24 #24370B

tetradic

#0B2437 #340B37 #371E0B #0E370B

square

#0B2437 #340B37 #371E0B #0E370B

split-complementary

#0B2437 #370B0E #37340B

monochromatic

#05111A #05111A #0B2437 #15456A #1F679D

Accessibility & contrast

On white

15.89

#0B2437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0B2437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2437

15.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2437	#FFFFFF	#000000	##FFFFFF
##0B2437	1.00	15.89	1.32	15.89
#FFFFFF	15.89	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B2438

Deuteranopia (green-blind)

#152037

Tritanopia (blue-blind)

#00292B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0b2437;
/* rgb */ color: rgb(11, 36, 55);
/* oklch */ color: oklch(25.1% 0.047 244.4);

Tailwind

colors: {
  custom: {
    50: '#505e6e',
    500: '#0b2437',
    950: '#000000',
  },
}

SCSS

$custom: #0b2437;
$custom-light: #505e6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2437",
  "rgb": {
    "r": 11,
    "g": 36,
    "b": 55
  },
  "hsl": {
    "h": 205.909,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.25133,
    "c": 0.04745,
    "h": 244.4
  },
  "luminance": 0.01609
}

Semantic roles & 50–950 ramp

primary

#0B2437

secondary

#744A2A

accent

#883EEA

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020407

muted

#78797A

Preview Lab

Preview with #0B2437

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

Preview Lab → · Contrast checker → · Palette generator →