#121E2B#121E2B

#121E2B is a very dark, muted cyan. Relative luminance 0.012; OKLCH L 23.1% C 0.031 H 251.2°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#121E2B
RGB	rgb(18, 30, 43)
HSL	hsl(211, 41%, 12%)
HSV	hsv(211, 58%, 17%)
CMYK	cmyk(58.1%, 30.2%, 0%, 83.1%)
CIE-LAB	lab(10.79, -0.69, -10.37)
CIE-LCH	lch(10.79, 10.39, 266.19°)
OKLab	oklab(23.05% -0.0099 -0.0289)
OKLCH	oklch(23.05% 0.031 251.2)
XYZ	xyz(1.1496, 1.2315, 2.4622)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E2B #2B1F12

analogous

#122B2B #121E2B #13122B

triadic

#121E2B #2B121E #1E2B12

tetradic

#121E2B #2B122B #2B1F12 #122B13

square

#121E2B #2B122B #2B1F12 #122B13

split-complementary

#121E2B #2B1312 #2B2B12

monochromatic

#090F16 #090F16 #121E2B #243C56 #365A81

Accessibility & contrast

On white

16.85

#121E2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#121E2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E2B

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E2B	#FFFFFF	#000000	##FFFFFF
##121E2B	1.00	16.85	1.25	16.85
#FFFFFF	16.85	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191E2C

Deuteranopia (green-blind)

#161C2B

Tritanopia (blue-blind)

#082122

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #121e2b;
/* rgb */ color: rgb(18, 30, 43);
/* oklch */ color: oklch(23.1% 0.031 251.2);

Tailwind

colors: {
  custom: {
    50: '#515964',
    500: '#121e2b',
    950: '#000000',
  },
}

SCSS

$custom: #121e2b;
$custom-light: #515964;
$custom-dark: #000000;

JSON

{
  "hex": "#121e2b",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 43
  },
  "hsl": {
    "h": 211.2,
    "s": 40.984,
    "l": 11.961
  },
  "oklch": {
    "l": 0.23051,
    "c": 0.03056,
    "h": 251.2
  },
  "luminance": 0.01232
}

Semantic roles & 50–950 ramp

primary

#121E2B

secondary

#624D36

accent

#9657D1

background

#F4F5F5

surface

#E7E9EA

border

#C3C5C6

text

#020305

muted

#787879

Preview Lab

Preview with #121E2B

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

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