#0B3141#0B3141

#0B3141 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.5% C 0.051 H 230.3°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#0B3141
RGB	rgb(11, 49, 65)
HSL	hsl(198, 71%, 15%)
HSV	hsv(198, 83%, 25%)
CMYK	cmyk(83.1%, 24.6%, 0%, 74.5%)
CIE-LAB	lab(18.58, -6.77, -13.84)
CIE-LCH	lch(18.58, 15.41, 243.93°)
OKLab	oklab(29.52% -0.0323 -0.0389)
OKLCH	oklch(29.52% 0.051 230.3)
XYZ	xyz(2.1901, 2.6492, 5.3959)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B3141 #411B0B

analogous

#0B4136 #0B3141 #0B1641

triadic

#0B3141 #410B31 #31410B

tetradic

#0B3141 #360B41 #411B0B #16410B

square

#0B3141 #360B41 #411B0B #16410B

split-complementary

#0B3141 #410B16 #41360B

monochromatic

#04141A #04141A #0B3141 #145875 #1D80AA

Accessibility & contrast

On white

13.73

#0B3141 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#0B3141 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B3141

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B3141	#FFFFFF	#000000	##FFFFFF
##0B3141	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293042

Deuteranopia (green-blind)

#222B41

Tritanopia (blue-blind)

#003536

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0b3141;
/* rgb */ color: rgb(11, 49, 65);
/* oklch */ color: oklch(29.5% 0.051 230.3);

Tailwind

colors: {
  custom: {
    50: '#536975',
    500: '#0b3141',
    950: '#000000',
  },
}

SCSS

$custom: #0b3141;
$custom-light: #536975;
$custom-dark: #000000;

JSON

{
  "hex": "#0b3141",
  "rgb": {
    "r": 11,
    "g": 49,
    "b": 65
  },
  "hsl": {
    "h": 197.778,
    "s": 71.053,
    "l": 14.902
  },
  "oklch": {
    "l": 0.29519,
    "c": 0.05054,
    "h": 230.3
  },
  "luminance": 0.02649
}

Semantic roles & 50–950 ramp

primary

#0B3141

secondary

#7E432A

accent

#6F3AEE

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0B3141

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

Preview Lab → · Contrast checker → · Palette generator →