#121F33#121F33

#121F33 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.8% C 0.043 H 258.7°. Best body text is #FFFFFF at 16.54:1 contrast (WCAG AA passes).

Color values

HEX	#121F33
RGB	rgb(18, 31, 51)
HSL	hsl(216, 48%, 14%)
HSV	hsv(216, 65%, 20%)
CMYK	cmyk(64.7%, 39.2%, 0%, 80%)
CIE-LAB	lab(11.60, 1.71, -14.90)
CIE-LCH	lch(11.60, 14.99, 276.55°)
OKLab	oklab(23.84% -0.0084 -0.042)
OKLCH	oklch(23.84% 0.043 258.7)
XYZ	xyz(1.3368, 1.3475, 3.3210)
Luminance	0.0135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F33 #332612

analogous

#122F33 #121F33 #151233

triadic

#121F33 #33121F #1F3312

tetradic

#121F33 #33122F #332612 #123315

square

#121F33 #33122F #332612 #123315

split-complementary

#121F33 #331512 #2F3312

monochromatic

#080E17 #080E17 #121F33 #223A60 #32568D

Accessibility & contrast

On white

16.54

#121F33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#121F33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F33

16.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F33	#FFFFFF	#000000	##FFFFFF
##121F33	1.00	16.54	1.27	16.54
#FFFFFF	16.54	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172034

Deuteranopia (green-blind)

#131D33

Tritanopia (blue-blind)

#022326

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #121f33;
/* rgb */ color: rgb(18, 31, 51);
/* oklch */ color: oklch(23.8% 0.043 258.7);

Tailwind

colors: {
  custom: {
    50: '#535a6a',
    500: '#121f33',
    950: '#000000',
  },
}

SCSS

$custom: #121f33;
$custom-light: #535a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#121f33",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 51
  },
  "hsl": {
    "h": 216.364,
    "s": 47.826,
    "l": 13.529
  },
  "oklch": {
    "l": 0.23839,
    "c": 0.04281,
    "h": 258.7
  },
  "luminance": 0.01348
}

Semantic roles & 50–950 ramp

primary

#121F33

secondary

#6B5635

accent

#A250D7

background

#F4F5F6

surface

#E7E9EB

border

#C3C5C6

text

#020306

muted

#78787A

Preview Lab

Preview with #121F33

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

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