#0A233D#0A233D

#0A233D is a dark, muted cyan. Relative luminance 0.016; OKLCH L 25.2% C 0.058 H 252.0°. Best body text is #FFFFFF at 15.90:1 contrast (WCAG AA passes).

Color values

HEX	#0A233D
RGB	rgb(10, 35, 61)
HSL	hsl(211, 72%, 14%)
HSV	hsv(211, 84%, 24%)
CMYK	cmyk(83.6%, 42.6%, 0%, 76.1%)
CIE-LAB	lab(13.25, 1.21, -19.43)
CIE-LCH	lch(13.25, 19.47, 273.56°)
OKLab	oklab(25.22% -0.018 -0.0553)
OKLCH	oklch(25.22% 0.058 252)
XYZ	xyz(1.5682, 1.6033, 4.6408)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A233D #3D240A

analogous

#0A3D3D #0A233D #0B0A3D

triadic

#0A233D #3D0A23 #233D0A

tetradic

#0A233D #3D0A3D #3D240A #0A3D0B

square

#0A233D #3D0A3D #3D240A #0A3D0B

split-complementary

#0A233D #3D0B0A #3D3D0A

monochromatic

#040F1A #040F1A #0A233D #134172 #1B5FA6

Accessibility & contrast

On white

15.90

#0A233D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#0A233D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A233D

15.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A233D	#FFFFFF	#000000	##FFFFFF
##0A233D	1.00	15.90	1.32	15.90
#FFFFFF	15.90	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17253E

Deuteranopia (green-blind)

#0F203C

Tritanopia (blue-blind)

#00292D

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0a233d;
/* rgb */ color: rgb(10, 35, 61);
/* oklch */ color: oklch(25.2% 0.058 252.0);

Tailwind

colors: {
  custom: {
    50: '#515d72',
    500: '#0a233d',
    950: '#000000',
  },
}

SCSS

$custom: #0a233d;
$custom-light: #515d72;
$custom-dark: #000000;

JSON

{
  "hex": "#0a233d",
  "rgb": {
    "r": 10,
    "g": 35,
    "b": 61
  },
  "hsl": {
    "h": 210.588,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.25218,
    "c": 0.05817,
    "h": 252
  },
  "luminance": 0.01604
}

Semantic roles & 50–950 ramp

primary

#0A233D

secondary

#7A5228

accent

#9639EF

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020408

muted

#78797B

Preview Lab

Preview with #0A233D

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

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