#0B2B41#0B2B41

#0B2B41 is a dark, muted cyan. Relative luminance 0.022; OKLCH L 27.8% C 0.055 H 242.7°. Best body text is #FFFFFF at 14.62:1 contrast (WCAG AA passes).

Color values

HEX	#0B2B41
RGB	rgb(11, 43, 65)
HSL	hsl(204, 71%, 15%)
HSV	hsv(204, 83%, 25%)
CMYK	cmyk(83.1%, 33.8%, 0%, 74.5%)
CIE-LAB	lab(16.41, -2.67, -17.23)
CIE-LCH	lch(16.41, 17.44, 261.19°)
OKLab	oklab(27.79% -0.0252 -0.0488)
OKLCH	oklch(27.79% 0.055 242.7)
XYZ	xyz(1.9557, 2.1803, 5.3178)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2B41 #41210B

analogous

#0B413C #0B2B41 #0B1041

triadic

#0B2B41 #410B2B #2B410B

tetradic

#0B2B41 #3C0B41 #41210B #10410B

square

#0B2B41 #3C0B41 #41210B #10410B

split-complementary

#0B2B41 #410B10 #413C0B

monochromatic

#04111A #04111A #0B2B41 #144E75 #1D70AA

Accessibility & contrast

On white

14.62

#0B2B41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#0B2B41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2B41

14.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2B41	#FFFFFF	#000000	##FFFFFF
##0B2B41	1.00	14.62	1.44	14.62
#FFFFFF	14.62	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#212B42

Deuteranopia (green-blind)

#192641

Tritanopia (blue-blind)

#003033

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #0b2b41;
/* rgb */ color: rgb(11, 43, 65);
/* oklch */ color: oklch(27.8% 0.055 242.7);

Tailwind

colors: {
  custom: {
    50: '#536475',
    500: '#0b2b41',
    950: '#000000',
  },
}

SCSS

$custom: #0b2b41;
$custom-light: #536475;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2b41",
  "rgb": {
    "r": 11,
    "g": 43,
    "b": 65
  },
  "hsl": {
    "h": 204.444,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.27791,
    "c": 0.05488,
    "h": 242.7
  },
  "luminance": 0.02181
}

Semantic roles & 50–950 ramp

primary

#0B2B41

secondary

#7E4C2A

accent

#833AEE

background

#F4F5F7

surface

#E8EAED

border

#C4C6C8

text

#030508

muted

#78797B

Preview Lab

Preview with #0B2B41

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

Preview Lab → · Contrast checker → · Palette generator →