#0B2138#0B2138

#0B2138 is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 24.3% C 0.052 H 251.7°. Best body text is #FFFFFF at 16.29:1 contrast (WCAG AA passes).

Color values

HEX	#0B2138
RGB	rgb(11, 33, 56)
HSL	hsl(211, 67%, 13%)
HSV	hsv(211, 80%, 22%)
CMYK	cmyk(80.4%, 41.1%, 0%, 78%)
CIE-LAB	lab(12.25, 0.67, -17.48)
CIE-LCH	lch(12.25, 17.49, 272.19°)
OKLab	oklab(24.34% -0.0164 -0.0496)
OKLCH	oklch(24.34% 0.052 251.7)
XYZ	xyz(1.3954, 1.4442, 3.9458)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2138 #38220B

analogous

#0B3738 #0B2138 #0C0B38

triadic

#0B2138 #380B21 #21380B

tetradic

#0B2138 #380B37 #38220B #0B380C

square

#0B2138 #380B37 #38220B #0B380C

split-complementary

#0B2138 #380C0B #37380B

monochromatic

#050F1A #050F1A #0B2138 #153F6B #1F5D9E

Accessibility & contrast

On white

16.29

#0B2138 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0B2138 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2138

16.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2138	#FFFFFF	#000000	##FFFFFF
##0B2138	1.00	16.29	1.29	16.29
#FFFFFF	16.29	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172239

Deuteranopia (green-blind)

#101E38

Tritanopia (blue-blind)

#002629

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0b2138;
/* rgb */ color: rgb(11, 33, 56);
/* oklch */ color: oklch(24.3% 0.052 251.7);

Tailwind

colors: {
  custom: {
    50: '#505b6e',
    500: '#0b2138',
    950: '#000000',
  },
}

SCSS

$custom: #0b2138;
$custom-light: #505b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2138",
  "rgb": {
    "r": 11,
    "g": 33,
    "b": 56
  },
  "hsl": {
    "h": 210.667,
    "s": 67.164,
    "l": 13.137
  },
  "oklch": {
    "l": 0.2434,
    "c": 0.05228,
    "h": 251.7
  },
  "luminance": 0.01444
}

Semantic roles & 50–950 ramp

primary

#0B2138

secondary

#75502A

accent

#963EEA

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0B2138

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

Preview Lab → · Contrast checker → · Palette generator →