#0A243E#0A243E

#0A243E is a dark, muted cyan. Relative luminance 0.017; OKLCH L 25.6% C 0.059 H 251.2°. Best body text is #FFFFFF at 15.73:1 contrast (WCAG AA passes).

Color values

HEX	#0A243E
RGB	rgb(10, 36, 62)
HSL	hsl(210, 72%, 14%)
HSV	hsv(210, 84%, 24%)
CMYK	cmyk(83.9%, 41.9%, 0%, 75.7%)
CIE-LAB	lab(13.67, 0.91, -19.46)
CIE-LCH	lch(13.67, 19.48, 272.68°)
OKLab	oklab(25.57% -0.0188 -0.0554)
OKLCH	oklch(25.57% 0.059 251.2)
XYZ	xyz(1.6252, 1.6739, 4.7939)
Luminance	0.0167 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A243E #3E240A

analogous

#0A3E3E #0A243E #0A0A3E

triadic

#0A243E #3E0A24 #243E0A

tetradic

#0A243E #3E0A3E #3E240A #0A3E0A

square

#0A243E #3E0A3E #3E240A #0A3E0A

split-complementary

#0A243E #3E0A0A #3E3E0A

monochromatic

#040F1A #040F1A #0A243E #134373 #1B61A7

Accessibility & contrast

On white

15.73

#0A243E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#0A243E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A243E

15.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A243E	#FFFFFF	#000000	##FFFFFF
##0A243E	1.00	15.73	1.33	15.73
#FFFFFF	15.73	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18263F

Deuteranopia (green-blind)

#10213D

Tritanopia (blue-blind)

#002A2E

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #0a243e;
/* rgb */ color: rgb(10, 36, 62);
/* oklch */ color: oklch(25.6% 0.059 251.2);

Tailwind

colors: {
  custom: {
    50: '#525e73',
    500: '#0a243e',
    950: '#000000',
  },
}

SCSS

$custom: #0a243e;
$custom-light: #525e73;
$custom-dark: #000000;

JSON

{
  "hex": "#0a243e",
  "rgb": {
    "r": 10,
    "g": 36,
    "b": 62
  },
  "hsl": {
    "h": 210,
    "s": 72.222,
    "l": 14.118
  },
  "oklch": {
    "l": 0.2557,
    "c": 0.0585,
    "h": 251.2
  },
  "luminance": 0.01674
}

Semantic roles & 50–950 ramp

primary

#0A243E

secondary

#7B5228

accent

#9439EF

background

#F4F5F7

surface

#E7E9ED

border

#C3C5C8

text

#020408

muted

#78797B

Preview Lab

Preview with #0A243E

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

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