#0B243A#0B243A

#0B243A is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.3% C 0.052 H 248.0°. Best body text is #FFFFFF at 15.82:1 contrast (WCAG AA passes).

Color values

HEX	#0B243A
RGB	rgb(11, 36, 58)
HSL	hsl(208, 68%, 14%)
HSV	hsv(208, 81%, 23%)
CMYK	cmyk(81%, 37.9%, 0%, 77.3%)
CIE-LAB	lab(13.46, -0.68, -16.98)
CIE-LCH	lch(13.46, 17.00, 267.72°)
OKLab	oklab(25.33% -0.0194 -0.0481)
OKLCH	oklch(25.33% 0.052 248)
XYZ	xyz(1.5323, 1.6382, 4.2376)
Luminance	0.0164 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B243A #3A210B

analogous

#0B3A38 #0B243A #0B0C3A

triadic

#0B243A #3A0B24 #243A0B

tetradic

#0B243A #380B3A #3A210B #0C3A0B

square

#0B243A #380B3A #3A210B #0C3A0B

split-complementary

#0B243A #3A0B0C #3A380B

monochromatic

#05101A #05101A #0B243A #15446D #1F64A1

Accessibility & contrast

On white

15.82

#0B243A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0B243A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B243A

15.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B243A	#FFFFFF	#000000	##FFFFFF
##0B243A	1.00	15.82	1.33	15.82
#FFFFFF	15.82	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A253B

Deuteranopia (green-blind)

#14203A

Tritanopia (blue-blind)

#00292C

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0b243a;
/* rgb */ color: rgb(11, 36, 58);
/* oklch */ color: oklch(25.3% 0.052 248.0);

Tailwind

colors: {
  custom: {
    50: '#515e70',
    500: '#0b243a',
    950: '#000000',
  },
}

SCSS

$custom: #0b243a;
$custom-light: #515e70;
$custom-dark: #000000;

JSON

{
  "hex": "#0b243a",
  "rgb": {
    "r": 11,
    "g": 36,
    "b": 58
  },
  "hsl": {
    "h": 208.085,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.25332,
    "c": 0.0519,
    "h": 248
  },
  "luminance": 0.01638
}

Semantic roles & 50–950 ramp

primary

#0B243A

secondary

#774E2A

accent

#8E3DEB

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0B243A

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

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