#0B2838#0B2838

#0B2838 is a dark, muted cyan. Relative luminance 0.019; OKLCH L 26.4% C 0.045 H 236.4°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#0B2838
RGB	rgb(11, 40, 56)
HSL	hsl(201, 67%, 13%)
HSV	hsv(201, 80%, 22%)
CMYK	cmyk(80.4%, 28.6%, 0%, 78%)
CIE-LAB	lab(14.81, -4.39, -13.46)
CIE-LCH	lch(14.81, 14.16, 251.92°)
OKLab	oklab(26.36% -0.0251 -0.0378)
OKLCH	oklch(26.36% 0.045 236.4)
XYZ	xyz(1.6103, 1.8741, 4.0175)
Luminance	0.0187 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2838 #381B0B

analogous

#0B3831 #0B2838 #0B1138

triadic

#0B2838 #380B28 #28380B

tetradic

#0B2838 #310B38 #381B0B #11380B

square

#0B2838 #310B38 #381B0B #11380B

split-complementary

#0B2838 #380B11 #38310B

monochromatic

#05121A #05121A #0B2838 #154D6B #1F719E

Accessibility & contrast

On white

15.27

#0B2838 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#0B2838 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2838

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2838	#FFFFFF	#000000	##FFFFFF
##0B2838	1.00	15.27	1.37	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#202839

Deuteranopia (green-blind)

#1A2338

Tritanopia (blue-blind)

#002C2D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #0b2838;
/* rgb */ color: rgb(11, 40, 56);
/* oklch */ color: oklch(26.4% 0.045 236.4);

Tailwind

colors: {
  custom: {
    50: '#51616e',
    500: '#0b2838',
    950: '#000000',
  },
}

SCSS

$custom: #0b2838;
$custom-light: #51616e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2838",
  "rgb": {
    "r": 11,
    "g": 40,
    "b": 56
  },
  "hsl": {
    "h": 201.333,
    "s": 67.164,
    "l": 13.137
  },
  "oklch": {
    "l": 0.26363,
    "c": 0.04544,
    "h": 236.4
  },
  "luminance": 0.01874
}

Semantic roles & 50–950 ramp

primary

#0B2838

secondary

#75452A

accent

#7B3EEA

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020507

muted

#78797A

Preview Lab

Preview with #0B2838

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

Preview Lab → · Contrast checker → · Palette generator →