#0A2339#0A2339

#0A2339 is a very dark, muted cyan. Relative luminance 0.016; OKLCH L 24.9% C 0.052 H 248.2°. Best body text is #FFFFFF at 16.00:1 contrast (WCAG AA passes).

Color values

HEX	#0A2339
RGB	rgb(10, 35, 57)
HSL	hsl(208, 70%, 13%)
HSV	hsv(208, 82%, 22%)
CMYK	cmyk(82.5%, 38.6%, 0%, 77.6%)
CIE-LAB	lab(13.00, -0.57, -17.01)
CIE-LCH	lch(13.00, 17.02, 268.10°)
OKLab	oklab(24.94% -0.0193 -0.0482)
OKLCH	oklch(24.94% 0.052 248.2)
XYZ	xyz(1.4644, 1.5618, 4.0944)
Luminance	0.0156 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A2339 #39200A

analogous

#0A3937 #0A2339 #0A0B39

triadic

#0A2339 #390A23 #23390A

tetradic

#0A2339 #370A39 #39200A #0B390A

square

#0A2339 #370A39 #39200A #0B390A

split-complementary

#0A2339 #390A0B #39370A

monochromatic

#05101A #05101A #0A2339 #13436D #1C63A1

Accessibility & contrast

On white

16.00

#0A2339 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#0A2339 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A2339

16.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A2339	#FFFFFF	#000000	##FFFFFF
##0A2339	1.00	16.00	1.31	16.00
#FFFFFF	16.00	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19243A

Deuteranopia (green-blind)

#122039

Tritanopia (blue-blind)

#00282B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #0a2339;
/* rgb */ color: rgb(10, 35, 57);
/* oklch */ color: oklch(24.9% 0.052 248.2);

Tailwind

colors: {
  custom: {
    50: '#505d6f',
    500: '#0a2339',
    950: '#000000',
  },
}

SCSS

$custom: #0a2339;
$custom-light: #505d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#0a2339",
  "rgb": {
    "r": 10,
    "g": 35,
    "b": 57
  },
  "hsl": {
    "h": 208.085,
    "s": 70.149,
    "l": 13.137
  },
  "oklch": {
    "l": 0.24935,
    "c": 0.05198,
    "h": 248.2
  },
  "luminance": 0.01562
}

Semantic roles & 50–950 ramp

primary

#0A2339

secondary

#764D28

accent

#8E3BED

background

#F4F5F6

surface

#E7E9EC

border

#C3C5C7

text

#020407

muted

#78797A

Preview Lab

Preview with #0A2339

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

Preview Lab → · Contrast checker → · Palette generator →