#0B232A#0B232A

#0B232A is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 24.1% C 0.032 H 219.7°. Best body text is #FFFFFF at 16.30:1 contrast (WCAG AA passes).

Color values

HEX	#0B232A
RGB	rgb(11, 35, 42)
HSL	hsl(194, 58%, 10%)
HSV	hsv(194, 74%, 16%)
CMYK	cmyk(73.8%, 16.7%, 0%, 83.5%)
CIE-LAB	lab(12.22, -6.64, -7.47)
CIE-LCH	lch(12.22, 10.00, 228.37°)
OKLab	oklab(24.07% -0.025 -0.0208)
OKLCH	oklch(24.07% 0.032 219.7)
XYZ	xyz(1.1568, 1.4403, 2.4071)
Luminance	0.0144 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B232A #2A120B

analogous

#0B2A21 #0B232A #0B132A

triadic

#0B232A #2A0B23 #232A0B

tetradic

#0B232A #210B2A #2A120B #132A0B

square

#0B232A #210B2A #2A120B #132A0B

split-complementary

#0B232A #2A0B13 #2A210B

monochromatic

#061418 #061418 #0B232A #184B5A #24748B

Accessibility & contrast

On white

16.30

#0B232A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0B232A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B232A

16.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B232A	#FFFFFF	#000000	##FFFFFF
##0B232A	1.00	16.30	1.29	16.30
#FFFFFF	16.30	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F222A

Deuteranopia (green-blind)

#1A1E2A

Tritanopia (blue-blind)

#002525

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0b232a;
/* rgb */ color: rgb(11, 35, 42);
/* oklch */ color: oklch(24.1% 0.032 219.7);

Tailwind

colors: {
  custom: {
    50: '#4e5d63',
    500: '#0b232a',
    950: '#000000',
  },
}

SCSS

$custom: #0b232a;
$custom-light: #4e5d63;
$custom-dark: #000000;

JSON

{
  "hex": "#0b232a",
  "rgb": {
    "r": 11,
    "g": 35,
    "b": 42
  },
  "hsl": {
    "h": 193.548,
    "s": 58.491,
    "l": 10.392
  },
  "oklch": {
    "l": 0.24065,
    "c": 0.03247,
    "h": 219.7
  },
  "luminance": 0.0144
}

Semantic roles & 50–950 ramp

primary

#0B232A

secondary

#66382B

accent

#6946E2

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#010405

muted

#777979

Preview Lab

Preview with #0B232A

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

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