#0A2337#0A2337

#0A2337 is a very dark, muted cyan. Relative luminance 0.015; OKLCH L 24.8% C 0.049 H 245.8°. Best body text is #FFFFFF at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#0A2337
RGB	rgb(10, 35, 55)
HSL	hsl(207, 69%, 13%)
HSV	hsv(207, 82%, 22%)
CMYK	cmyk(81.8%, 36.4%, 0%, 78.4%)
CIE-LAB	lab(12.87, -1.44, -15.79)
CIE-LCH	lch(12.87, 15.85, 264.78°)
OKLab	oklab(24.8% -0.0201 -0.0447)
OKLCH	oklch(24.8% 0.049 245.8)
XYZ	xyz(1.4155, 1.5423, 3.8368)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2337 #371E0A

analogous

#0A3734 #0A2337 #0A0C37

triadic

#0A2337 #370A23 #23370A

tetradic

#0A2337 #340A37 #371E0A #0C370A

square

#0A2337 #340A37 #371E0A #0C370A

split-complementary

#0A2337 #370A0C #37340A

monochromatic

#05101A #05101A #0A2337 #13446B #1D659F

Accessibility & contrast

On white

16.05

#0A2337 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0A2337 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2337

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2337	#FFFFFF	#000000	##FFFFFF
##0A2337	1.00	16.05	1.31	16.05
#FFFFFF	16.05	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A2438

Deuteranopia (green-blind)

#141F37

Tritanopia (blue-blind)

#00282A

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #0a2337;
/* rgb */ color: rgb(10, 35, 55);
/* oklch */ color: oklch(24.8% 0.049 245.8);

Tailwind

colors: {
  custom: {
    50: '#505d6e',
    500: '#0a2337',
    950: '#000000',
  },
}

SCSS

$custom: #0a2337;
$custom-light: #505d6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2337",
  "rgb": {
    "r": 10,
    "g": 35,
    "b": 55
  },
  "hsl": {
    "h": 206.667,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.24799,
    "c": 0.04897,
    "h": 245.8
  },
  "luminance": 0.01542
}

Semantic roles & 50–950 ramp

primary

#0A2337

secondary

#744A28

accent

#8A3CEC

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020407

muted

#78797A

Preview Lab

Preview with #0A2337

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

Preview Lab → · Contrast checker → · Palette generator →