#0A313D#0A313D

#0A313D is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.3% C 0.047 H 222.7°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#0A313D
RGB	rgb(10, 49, 61)
HSL	hsl(194, 72%, 14%)
HSV	hsv(194, 84%, 24%)
CMYK	cmyk(83.6%, 19.7%, 0%, 76.1%)
CIE-LAB	lab(18.36, -8.56, -11.45)
CIE-LCH	lch(18.36, 14.29, 233.23°)
OKLab	oklab(29.27% -0.0347 -0.032)
OKLCH	oklch(29.27% 0.047 222.7)
XYZ	xyz(2.0654, 2.5978, 4.8066)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A313D #3D160A

analogous

#0A3D30 #0A313D #0A183D

triadic

#0A313D #3D0A31 #313D0A

tetradic

#0A313D #300A3D #3D160A #183D0A

square

#0A313D #300A3D #3D160A #183D0A

split-complementary

#0A313D #3D0A18 #3D300A

monochromatic

#04151A #04151A #0A313D #135B72 #1B85A6

Accessibility & contrast

On white

13.82

#0A313D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#0A313D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A313D

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A313D	#FFFFFF	#000000	##FFFFFF
##0A313D	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A303E

Deuteranopia (green-blind)

#232B3D

Tritanopia (blue-blind)

#003535

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #0a313d;
/* rgb */ color: rgb(10, 49, 61);
/* oklch */ color: oklch(29.3% 0.047 222.7);

Tailwind

colors: {
  custom: {
    50: '#526972',
    500: '#0a313d',
    950: '#000000',
  },
}

SCSS

$custom: #0a313d;
$custom-light: #526972;
$custom-dark: #000000;

JSON

{
  "hex": "#0a313d",
  "rgb": {
    "r": 10,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 194.118,
    "s": 71.831,
    "l": 13.922
  },
  "oklch": {
    "l": 0.29266,
    "c": 0.04721,
    "h": 222.7
  },
  "luminance": 0.02598
}

Semantic roles & 50–950 ramp

primary

#0A313D

secondary

#7A3C28

accent

#6439EF

background

#F4F6F6

surface

#E7EBEC

border

#C3C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A313D

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

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