#0A333F#0A333F

#0A333F is a dark, muted cyan. Relative luminance 0.028; OKLCH L 30.0% C 0.048 H 221.8°. Best body text is #FFFFFF at 13.48:1 contrast (WCAG AA passes).

Color values

HEX	#0A333F
RGB	rgb(10, 51, 63)
HSL	hsl(194, 73%, 14%)
HSV	hsv(194, 84%, 25%)
CMYK	cmyk(84.1%, 19%, 0%, 75.3%)
CIE-LAB	lab(19.19, -9.04, -11.54)
CIE-LCH	lch(19.19, 14.66, 231.92°)
OKLab	oklab(29.96% -0.0361 -0.0323)
OKLCH	oklch(29.96% 0.048 221.8)
XYZ	xyz(2.2058, 2.7908, 5.1241)
Luminance	0.0279 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A333F #3F160A

analogous

#0A3F31 #0A333F #0A193F

triadic

#0A333F #3F0A33 #333F0A

tetradic

#0A333F #310A3F #3F160A #193F0A

square

#0A333F #310A3F #3F160A #193F0A

split-complementary

#0A333F #3F0A19 #3F310A

monochromatic

#04151A #04151A #0A333F #125E74 #1B89A9

Accessibility & contrast

On white

13.48

#0A333F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#0A333F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A333F

13.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A333F	#FFFFFF	#000000	##FFFFFF
##0A333F	1.00	13.48	1.56	13.48
#FFFFFF	13.48	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3240

Deuteranopia (green-blind)

#252C3F

Tritanopia (blue-blind)

#003737

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0a333f;
/* rgb */ color: rgb(10, 51, 63);
/* oklch */ color: oklch(30.0% 0.048 221.8);

Tailwind

colors: {
  custom: {
    50: '#536a74',
    500: '#0a333f',
    950: '#000000',
  },
}

SCSS

$custom: #0a333f;
$custom-light: #536a74;
$custom-dark: #000000;

JSON

{
  "hex": "#0a333f",
  "rgb": {
    "r": 10,
    "g": 51,
    "b": 63
  },
  "hsl": {
    "h": 193.585,
    "s": 72.603,
    "l": 14.314
  },
  "oklch": {
    "l": 0.29963,
    "c": 0.04846,
    "h": 221.8
  },
  "luminance": 0.02791
}

Semantic roles & 50–950 ramp

primary

#0A333F

secondary

#7C3B29

accent

#6238EF

background

#F4F6F7

surface

#E8EBED

border

#C4C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #0A333F

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

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