#121E38#121E38

#121E38 is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.9% C 0.053 H 264.1°. Best body text is #FFFFFF at 16.55:1 contrast (WCAG AA passes).

Color values

HEX	#121E38
RGB	rgb(18, 30, 56)
HSL	hsl(221, 51%, 15%)
HSV	hsv(221, 68%, 22%)
CMYK	cmyk(67.9%, 46.4%, 0%, 78%)
CIE-LAB	lab(11.57, 4.52, -18.53)
CIE-LCH	lch(11.57, 19.07, 283.71°)
OKLab	oklab(23.92% -0.0054 -0.0526)
OKLCH	oklch(23.92% 0.053 264.1)
XYZ	xyz(1.4273, 1.3426, 3.9245)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E38 #382C12

analogous

#123138 #121E38 #191238

triadic

#121E38 #38121E #1E3812

tetradic

#121E38 #381231 #382C12 #123819

square

#121E38 #381231 #382C12 #123819

split-complementary

#121E38 #381912 #313812

monochromatic

#070C17 #070C17 #121E38 #213766 #305095

Accessibility & contrast

On white

16.55

#121E38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#121E38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E38

16.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E38	#FFFFFF	#000000	##FFFFFF
##121E38	1.00	16.55	1.27	16.55
#FFFFFF	16.55	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#132139

Deuteranopia (green-blind)

#0E1D37

Tritanopia (blue-blind)

#002428

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #121e38;
/* rgb */ color: rgb(18, 30, 56);
/* oklch */ color: oklch(23.9% 0.053 264.1);

Tailwind

colors: {
  custom: {
    50: '#54596f',
    500: '#121e38',
    950: '#000000',
  },
}

SCSS

$custom: #121e38;
$custom-light: #54596f;
$custom-dark: #000000;

JSON

{
  "hex": "#121e38",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 56
  },
  "hsl": {
    "h": 221.053,
    "s": 51.351,
    "l": 14.51
  },
  "oklch": {
    "l": 0.23917,
    "c": 0.05289,
    "h": 264.1
  },
  "luminance": 0.01343
}

Semantic roles & 50–950 ramp

primary

#121E38

secondary

#715E35

accent

#AE4DDB

background

#F4F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #121E38

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

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