#121F31#121F31

#121F31 is a very dark, muted cyan. Relative luminance 0.013; OKLCH L 23.7% C 0.039 H 256.7°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#121F31
RGB	rgb(18, 31, 49)
HSL	hsl(215, 46%, 13%)
HSV	hsv(215, 63%, 19%)
CMYK	cmyk(63.3%, 36.7%, 0%, 80.8%)
CIE-LAB	lab(11.49, 0.91, -13.64)
CIE-LCH	lch(11.49, 13.67, 273.81°)
OKLab	oklab(23.71% -0.0091 -0.0383)
OKLCH	oklch(23.71% 0.039 256.7)
XYZ	xyz(1.2936, 1.3302, 3.0937)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F31 #312412

analogous

#122E31 #121F31 #141231

triadic

#121F31 #31121F #1F3112

tetradic

#121F31 #31122E #312412 #123114

square

#121F31 #31122E #312412 #123114

split-complementary

#121F31 #311412 #2E3112

monochromatic

#080E16 #080E16 #121F31 #223B5E #33588B

Accessibility & contrast

On white

16.59

#121F31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#121F31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F31

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F31	#FFFFFF	#000000	##FFFFFF
##121F31	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182032

Deuteranopia (green-blind)

#141D31

Tritanopia (blue-blind)

#032325

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121f31;
/* rgb */ color: rgb(18, 31, 49);
/* oklch */ color: oklch(23.7% 0.039 256.7);

Tailwind

colors: {
  custom: {
    50: '#525a69',
    500: '#121f31',
    950: '#000000',
  },
}

SCSS

$custom: #121f31;
$custom-light: #525a69;
$custom-dark: #000000;

JSON

{
  "hex": "#121f31",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 49
  },
  "hsl": {
    "h": 214.839,
    "s": 46.269,
    "l": 13.137
  },
  "oklch": {
    "l": 0.23708,
    "c": 0.03941,
    "h": 256.7
  },
  "luminance": 0.0133
}

Semantic roles & 50–950 ramp

primary

#121F31

secondary

#695436

accent

#9F52D6

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #121F31

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

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