#121F27#121F27

#121F27 is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.1% C 0.024 H 236.2°. Best body text is #FFFFFF at 16.79:1 contrast (WCAG AA passes).

Color values

HEX	#121F27
RGB	rgb(18, 31, 39)
HSL	hsl(203, 37%, 11%)
HSV	hsv(203, 54%, 15%)
CMYK	cmyk(53.8%, 20.5%, 0%, 84.7%)
CIE-LAB	lab(10.96, -2.91, -7.18)
CIE-LCH	lch(10.96, 7.75, 247.96°)
OKLab	oklab(23.12% -0.0133 -0.0199)
OKLCH	oklch(23.12% 0.024 236.2)
XYZ	xyz(1.1055, 1.2550, 2.1030)
Luminance	0.0126 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F27 #271A12

analogous

#122724 #121F27 #121427

triadic

#121F27 #27121F #1F2712

tetradic

#121F27 #241227 #271A12 #142712

square

#121F27 #241227 #271A12 #142712

split-complementary

#121F27 #271214 #272412

monochromatic

#0A1115 #0A1115 #121F27 #254051 #39627B

Accessibility & contrast

On white

16.79

#121F27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#121F27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F27

16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F27	#FFFFFF	#000000	##FFFFFF
##121F27	1.00	16.79	1.25	16.79
#FFFFFF	16.79	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1F27

Deuteranopia (green-blind)

#181C27

Tritanopia (blue-blind)

#0A2122

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #121f27;
/* rgb */ color: rgb(18, 31, 39);
/* oklch */ color: oklch(23.1% 0.024 236.2);

Tailwind

colors: {
  custom: {
    50: '#515a61',
    500: '#121f27',
    950: '#000000',
  },
}

SCSS

$custom: #121f27;
$custom-light: #515a61;
$custom-dark: #000000;

JSON

{
  "hex": "#121f27",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 39
  },
  "hsl": {
    "h": 202.857,
    "s": 36.842,
    "l": 11.176
  },
  "oklch": {
    "l": 0.23118,
    "c": 0.02389,
    "h": 236.2
  },
  "luminance": 0.01255
}

Semantic roles & 50–950 ramp

primary

#121F27

secondary

#5E4637

accent

#865BCD

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#020305

muted

#787879

Preview Lab

Preview with #121F27

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

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