#0A2238#0A2238

#0A2238 is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.6% C 0.052 H 249.0°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).

Color values

HEX	#0A2238
RGB	rgb(10, 34, 56)
HSL	hsl(209, 70%, 13%)
HSV	hsv(209, 82%, 22%)
CMYK	cmyk(82.1%, 39.3%, 0%, 78%)
CIE-LAB	lab(12.57, -0.27, -16.98)
CIE-LCH	lch(12.57, 16.98, 269.09°)
OKLab	oklab(24.58% -0.0185 -0.0482)
OKLCH	oklch(24.58% 0.052 249)
XYZ	xyz(1.4107, 1.4940, 3.9546)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2238 #38200A

analogous

#0A3837 #0A2238 #0A0B38

triadic

#0A2238 #380A22 #22380A

tetradic

#0A2238 #370A38 #38200A #0B380A

square

#0A2238 #370A38 #38200A #0B380A

split-complementary

#0A2238 #380A0B #38370A

monochromatic

#05101A #05101A #0A2238 #13426C #1D61A0

Accessibility & contrast

On white

16.17

#0A2238 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0A2238 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2238

16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2238	#FFFFFF	#000000	##FFFFFF
##0A2238	1.00	16.17	1.30	16.17
#FFFFFF	16.17	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182339

Deuteranopia (green-blind)

#121F38

Tritanopia (blue-blind)

#00272A

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0a2238;
/* rgb */ color: rgb(10, 34, 56);
/* oklch */ color: oklch(24.6% 0.052 249.0);

Tailwind

colors: {
  custom: {
    50: '#505c6e',
    500: '#0a2238',
    950: '#000000',
  },
}

SCSS

$custom: #0a2238;
$custom-light: #505c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2238",
  "rgb": {
    "r": 10,
    "g": 34,
    "b": 56
  },
  "hsl": {
    "h": 208.696,
    "s": 69.697,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24579,
    "c": 0.05158,
    "h": 249
  },
  "luminance": 0.01494
}

Semantic roles & 50–950 ramp

primary

#0A2238

secondary

#754D28

accent

#903BED

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0A2238

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

Preview Lab → · Contrast checker → · Palette generator →