#0A2239#0A2239

#0A2239 is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.6% C 0.053 H 250.0°. Best body text is #FFFFFF at 16.14:1 contrast (WCAG AA passes).

Color values

HEX	#0A2239
RGB	rgb(10, 34, 57)
HSL	hsl(209, 70%, 13%)
HSV	hsv(209, 82%, 22%)
CMYK	cmyk(82.5%, 40.4%, 0%, 77.6%)
CIE-LAB	lab(12.63, 0.17, -17.59)
CIE-LCH	lch(12.63, 17.59, 270.57°)
OKLab	oklab(24.65% -0.0181 -0.0499)
OKLCH	oklch(24.65% 0.053 250)
XYZ	xyz(1.4354, 1.5038, 4.0847)
Luminance	0.0150 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2239 #39210A

analogous

#0A3938 #0A2239 #0A0A39

triadic

#0A2239 #390A22 #22390A

tetradic

#0A2239 #380A39 #39210A #0A390A

square

#0A2239 #380A39 #39210A #0A390A

split-complementary

#0A2239 #390A0A #39380A

monochromatic

#05101A #05101A #0A2239 #13416D #1C60A1

Accessibility & contrast

On white

16.14

#0A2239 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#0A2239 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2239

16.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2239	#FFFFFF	#000000	##FFFFFF
##0A2239	1.00	16.14	1.30	16.14
#FFFFFF	16.14	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18233A

Deuteranopia (green-blind)

#111F39

Tritanopia (blue-blind)

#00272A

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0a2239;
/* rgb */ color: rgb(10, 34, 57);
/* oklch */ color: oklch(24.6% 0.053 250.0);

Tailwind

colors: {
  custom: {
    50: '#505c6f',
    500: '#0a2239',
    950: '#000000',
  },
}

SCSS

$custom: #0a2239;
$custom-light: #505c6f;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2239",
  "rgb": {
    "r": 10,
    "g": 34,
    "b": 57
  },
  "hsl": {
    "h": 209.362,
    "s": 70.149,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24649,
    "c": 0.05313,
    "h": 250
  },
  "luminance": 0.01504
}

Semantic roles & 50–950 ramp

primary

#0A2239

secondary

#764F28

accent

#923BED

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0A2239

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

Preview Lab → · Contrast checker → · Palette generator →