#0B2237#0B2237

#0B2237 is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.6% C 0.050 H 248.7°. Best body text is #FFFFFF at 16.18:1 contrast (WCAG AA passes).

Color values

HEX	#0B2237
RGB	rgb(11, 34, 55)
HSL	hsl(209, 67%, 13%)
HSV	hsv(209, 80%, 22%)
CMYK	cmyk(80%, 38.2%, 0%, 78.4%)
CIE-LAB	lab(12.55, -0.51, -16.29)
CIE-LCH	lch(12.55, 16.30, 268.20°)
OKLab	oklab(24.56% -0.018 -0.0461)
OKLCH	oklch(24.56% 0.05 248.7)
XYZ	xyz(1.3994, 1.4909, 3.8277)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2237 #37200B

analogous

#0B3736 #0B2237 #0B0C37

triadic

#0B2237 #370B22 #22370B

tetradic

#0B2237 #360B37 #37200B #0C370B

square

#0B2237 #360B37 #37200B #0C370B

split-complementary

#0B2237 #370B0C #37360B

monochromatic

#05101A #05101A #0B2237 #15426A #1F619D

Accessibility & contrast

On white

16.18

#0B2237 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0B2237 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2237

16.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2237	#FFFFFF	#000000	##FFFFFF
##0B2237	1.00	16.18	1.30	16.18
#FFFFFF	16.18	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#192338

Deuteranopia (green-blind)

#131F37

Tritanopia (blue-blind)

#00272A

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0b2237;
/* rgb */ color: rgb(11, 34, 55);
/* oklch */ color: oklch(24.6% 0.050 248.7);

Tailwind

colors: {
  custom: {
    50: '#505c6e',
    500: '#0b2237',
    950: '#000000',
  },
}

SCSS

$custom: #0b2237;
$custom-light: #505c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2237",
  "rgb": {
    "r": 11,
    "g": 34,
    "b": 55
  },
  "hsl": {
    "h": 208.636,
    "s": 66.667,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24556,
    "c": 0.04954,
    "h": 248.7
  },
  "luminance": 0.01491
}

Semantic roles & 50–950 ramp

primary

#0B2237

secondary

#744D2A

accent

#903EEA

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020407

muted

#78797A

Preview Lab

Preview with #0B2237

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

Preview Lab → · Contrast checker → · Palette generator →