#0A2137#0A2137

#0A2137 is a very dark, muted cyan. Relative luminance 0.014; OKLCH L 24.2% C 0.051 H 249.9°. Best body text is #FFFFFF at 16.33:1 contrast (WCAG AA passes).

Color values

HEX	#0A2137
RGB	rgb(10, 33, 55)
HSL	hsl(209, 69%, 13%)
HSV	hsv(209, 82%, 22%)
CMYK	cmyk(81.8%, 40%, 0%, 78.4%)
CIE-LAB	lab(12.14, 0.04, -16.94)
CIE-LCH	lch(12.14, 16.94, 270.12°)
OKLab	oklab(24.22% -0.0176 -0.0481)
OKLCH	oklch(24.22% 0.051 249.9)
XYZ	xyz(1.3584, 1.4279, 3.8177)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2137 #37200A

analogous

#0A3736 #0A2137 #0A0B37

triadic

#0A2137 #370A21 #21370A

tetradic

#0A2137 #360A37 #37200A #0B370A

square

#0A2137 #360A37 #37200A #0B370A

split-complementary

#0A2137 #370A0B #37360A

monochromatic

#05101A #05101A #0A2137 #13406B #1D5F9F

Accessibility & contrast

On white

16.33

#0A2137 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#0A2137 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2137

16.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2137	#FFFFFF	#000000	##FFFFFF
##0A2137	1.00	16.33	1.29	16.33
#FFFFFF	16.33	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172238

Deuteranopia (green-blind)

#111E37

Tritanopia (blue-blind)

#002629

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #0a2137;
/* rgb */ color: rgb(10, 33, 55);
/* oklch */ color: oklch(24.2% 0.051 249.9);

Tailwind

colors: {
  custom: {
    50: '#505b6e',
    500: '#0a2137',
    950: '#000000',
  },
}

SCSS

$custom: #0a2137;
$custom-light: #505b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2137",
  "rgb": {
    "r": 10,
    "g": 33,
    "b": 55
  },
  "hsl": {
    "h": 209.333,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.24223,
    "c": 0.05119,
    "h": 249.9
  },
  "luminance": 0.01428
}

Semantic roles & 50–950 ramp

primary

#0A2137

secondary

#744E28

accent

#923CEC

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020407

muted

#78797A

Preview Lab

Preview with #0A2137

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

Preview Lab → · Contrast checker → · Palette generator →