#121F2E#121F2E

#121F2E is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.5% C 0.034 H 252.8°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX	#121F2E
RGB	rgb(18, 31, 46)
HSL	hsl(212, 44%, 13%)
HSV	hsv(212, 61%, 18%)
CMYK	cmyk(60.9%, 32.6%, 0%, 82%)
CIE-LAB	lab(11.32, -0.27, -11.74)
CIE-LCH	lch(11.32, 11.74, 268.66°)
OKLab	oklab(23.52% -0.0102 -0.0328)
OKLCH	oklch(23.52% 0.034 252.8)
XYZ	xyz(1.2324, 1.3057, 2.7713)
Luminance	0.0131 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F2E #2E2112

analogous

#122D2E #121F2E #13122E

triadic

#121F2E #2E121F #1F2E12

tetradic

#121F2E #2E122D #2E2112 #122E13

square

#121F2E #2E122D #2E2112 #122E13

split-complementary

#121F2E #2E1312 #2D2E12

monochromatic

#090F16 #090F16 #121F2E #233D5A #345A86

Accessibility & contrast

On white

16.65

#121F2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#121F2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F2E

16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F2E	#FFFFFF	#000000	##FFFFFF
##121F2E	1.00	16.65	1.26	16.65
#FFFFFF	16.65	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19202F

Deuteranopia (green-blind)

#161D2E

Tritanopia (blue-blind)

#052224

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121f2e;
/* rgb */ color: rgb(18, 31, 46);
/* oklch */ color: oklch(23.5% 0.034 252.8);

Tailwind

colors: {
  custom: {
    50: '#525a66',
    500: '#121f2e',
    950: '#000000',
  },
}

SCSS

$custom: #121f2e;
$custom-light: #525a66;
$custom-dark: #000000;

JSON

{
  "hex": "#121f2e",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 46
  },
  "hsl": {
    "h": 212.143,
    "s": 43.75,
    "l": 12.549
  },
  "oklch": {
    "l": 0.23519,
    "c": 0.0344,
    "h": 252.8
  },
  "luminance": 0.01306
}

Semantic roles & 50–950 ramp

primary

#121F2E

secondary

#665036

accent

#9854D3

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #121F2E

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

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