#0B2233#0B2233

#0B2233 is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.3% C 0.044 H 243.4°. Best body text is #FFFFFF at 16.27:1 contrast (WCAG AA passes).

Color values

HEX	#0B2233
RGB	rgb(11, 34, 51)
HSL	hsl(206, 65%, 12%)
HSV	hsv(206, 78%, 20%)
CMYK	cmyk(78.4%, 33.3%, 0%, 80%)
CIE-LAB	lab(12.31, -2.24, -13.81)
CIE-LCH	lch(12.31, 13.99, 260.79°)
OKLab	oklab(24.29% -0.0195 -0.0389)
OKLCH	oklch(24.29% 0.044 243.4)
XYZ	xyz(1.3074, 1.4541, 3.3431)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B2233 #331C0B

analogous

#0B3330 #0B2233 #0B0E33

triadic

#0B2233 #330B22 #22330B

tetradic

#0B2233 #300B33 #331C0B #0E330B

square

#0B2233 #300B33 #331C0B #0E330B

split-complementary

#0B2233 #330B0E #33300B

monochromatic

#051119 #051119 #0B2233 #164465 #216598

Accessibility & contrast

On white

16.27

#0B2233 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0B2233 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B2233

16.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B2233	#FFFFFF	#000000	##FFFFFF
##0B2233	1.00	16.27	1.29	16.27
#FFFFFF	16.27	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2234

Deuteranopia (green-blind)

#151E33

Tritanopia (blue-blind)

#002628

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0b2233;
/* rgb */ color: rgb(11, 34, 51);
/* oklch */ color: oklch(24.3% 0.044 243.4);

Tailwind

colors: {
  custom: {
    50: '#4f5c6a',
    500: '#0b2233',
    950: '#000000',
  },
}

SCSS

$custom: #0b2233;
$custom-light: #4f5c6a;
$custom-dark: #000000;

JSON

{
  "hex": "#0b2233",
  "rgb": {
    "r": 11,
    "g": 34,
    "b": 51
  },
  "hsl": {
    "h": 205.5,
    "s": 64.516,
    "l": 12.157
  },
  "oklch": {
    "l": 0.24291,
    "c": 0.04356,
    "h": 243.4
  },
  "luminance": 0.01454
}

Semantic roles & 50–950 ramp

primary

#0B2233

secondary

#70482A

accent

#8740E8

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020406

muted

#78797A

Preview Lab

Preview with #0B2233

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

Preview Lab → · Contrast checker → · Palette generator →