#0A211F#0A211F

#0A211F is a very dark, muted teal. Relative luminance 0.013; OKLCH L 22.9% C 0.029 H 187.7°. Best body text is #FFFFFF at 16.80:1 contrast (WCAG AA passes).

Color values

HEX	#0A211F
RGB	rgb(10, 33, 31)
HSL	hsl(175, 53%, 8%)
HSV	hsv(175, 70%, 13%)
CMYK	cmyk(69.7%, 0%, 6.1%, 87.1%)
CIE-LAB	lab(10.93, -9.66, -1.40)
CIE-LCH	lch(10.93, 9.76, 188.25°)
OKLab	oklab(22.86% -0.0289 -0.0039)
OKLCH	oklch(22.86% 0.029 187.7)
XYZ	xyz(0.9162, 1.2511, 1.4893)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A211F #210A0C

analogous

#0A2113 #0A211F #0A1721

triadic

#0A211F #1F0A21 #211F0A

tetradic

#0A211F #130A21 #210A0C #17210A

square

#0A211F #130A21 #210A0C #17210A

split-complementary

#0A211F #210A17 #21130A

monochromatic

#071716 #071716 #0A211F #18504B #267F77

Accessibility & contrast

On white

16.80

#0A211F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#0A211F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A211F

16.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A211F	#FFFFFF	#000000	##FFFFFF
##0A211F	1.00	16.80	1.25	16.80
#FFFFFF	16.80	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1F1F

Deuteranopia (green-blind)

#1B1C1F

Tritanopia (blue-blind)

#012220

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #0a211f;
/* rgb */ color: rgb(10, 33, 31);
/* oklch */ color: oklch(22.9% 0.029 187.7);

Tailwind

colors: {
  custom: {
    50: '#4b5c5a',
    500: '#0a211f',
    950: '#000000',
  },
}

SCSS

$custom: #0a211f;
$custom-light: #4b5c5a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a211f",
  "rgb": {
    "r": 10,
    "g": 33,
    "b": 31
  },
  "hsl": {
    "h": 174.783,
    "s": 53.488,
    "l": 8.431
  },
  "oklch": {
    "l": 0.22857,
    "c": 0.02921,
    "h": 187.7
  },
  "luminance": 0.01251
}

Semantic roles & 50–950 ramp

primary

#0A211F

secondary

#5D2A2F

accent

#4B58DD

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#010403

muted

#777978

Preview Lab

Preview with #0A211F

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

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