#0B243D#0B243D

#0B243D is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.5% C 0.057 H 251.0°. Best body text is #FFFFFF at 15.74:1 contrast (WCAG AA passes).

Color values

HEX	#0B243D
RGB	rgb(11, 36, 61)
HSL	hsl(210, 69%, 14%)
HSV	hsv(210, 82%, 24%)
CMYK	cmyk(82%, 41%, 0%, 76.1%)
CIE-LAB	lab(13.65, 0.64, -18.80)
CIE-LCH	lch(13.65, 18.81, 271.95°)
OKLab	oklab(25.54% -0.0184 -0.0534)
OKLCH	oklch(25.54% 0.057 251)
XYZ	xyz(1.6109, 1.6696, 4.6514)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B243D #3D240B

analogous

#0B3D3D #0B243D #0B0B3D

triadic

#0B243D #3D0B24 #243D0B

tetradic

#0B243D #3D0B3D #3D240B #0B3D0B

square

#0B243D #3D0B3D #3D240B #0B3D0B

split-complementary

#0B243D #3D0B0B #3D3D0B

monochromatic

#050F1A #050F1A #0B243D #144371 #1E61A5

Accessibility & contrast

On white

15.74

#0B243D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0B243D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B243D

15.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B243D	#FFFFFF	#000000	##FFFFFF
##0B243D	1.00	15.74	1.33	15.74
#FFFFFF	15.74	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19253E

Deuteranopia (green-blind)

#11213D

Tritanopia (blue-blind)

#002A2D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0b243d;
/* rgb */ color: rgb(11, 36, 61);
/* oklch */ color: oklch(25.5% 0.057 251.0);

Tailwind

colors: {
  custom: {
    50: '#525e72',
    500: '#0b243d',
    950: '#000000',
  },
}

SCSS

$custom: #0b243d;
$custom-light: #525e72;
$custom-dark: #000000;

JSON

{
  "hex": "#0b243d",
  "rgb": {
    "r": 11,
    "g": 36,
    "b": 61
  },
  "hsl": {
    "h": 210,
    "s": 69.444,
    "l": 14.118
  },
  "oklch": {
    "l": 0.2554,
    "c": 0.05651,
    "h": 251
  },
  "luminance": 0.0167
}

Semantic roles & 50–950 ramp

primary

#0B243D

secondary

#7A522A

accent

#943CEC

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020408

muted

#78797B

Preview Lab

Preview with #0B243D

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

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