#121E43#121E43

#121E43 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.8% C 0.072 H 267.5°. Best body text is #FFFFFF at 16.25:1 contrast (WCAG AA passes).

Color values

HEX	#121E43
RGB	rgb(18, 30, 67)
HSL	hsl(225, 58%, 17%)
HSV	hsv(225, 73%, 26%)
CMYK	cmyk(73.1%, 55.2%, 0%, 73.7%)
CIE-LAB	lab(12.37, 9.17, -25.03)
CIE-LCH	lch(12.37, 26.65, 290.12°)
OKLab	oklab(24.78% -0.0032 -0.0717)
OKLCH	oklch(24.78% 0.072 267.5)
XYZ	xyz(1.7265, 1.4622, 5.5004)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E43 #433712

analogous

#123743 #121E43 #1F1243

triadic

#121E43 #43121E #1E4312

tetradic

#121E43 #431237 #433712 #12431F

square

#121E43 #431237 #433712 #12431F

split-complementary

#121E43 #431F12 #374312

monochromatic

#060B18 #060B18 #121E43 #1F3473 #2C49A3

Accessibility & contrast

On white

16.25

#121E43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#121E43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E43

16.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E43	#FFFFFF	#000000	##FFFFFF
##121E43	1.00	16.25	1.29	16.25
#FFFFFF	16.25	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2344

Deuteranopia (green-blind)

#021E42

Tritanopia (blue-blind)

#00272D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121e43;
/* rgb */ color: rgb(18, 30, 67);
/* oklch */ color: oklch(24.8% 0.072 267.5);

Tailwind

colors: {
  custom: {
    50: '#565977',
    500: '#121e43',
    950: '#000000',
  },
}

SCSS

$custom: #121e43;
$custom-light: #565977;
$custom-dark: #000000;

JSON

{
  "hex": "#121e43",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 67
  },
  "hsl": {
    "h": 225.306,
    "s": 57.647,
    "l": 16.667
  },
  "oklch": {
    "l": 0.24784,
    "c": 0.07176,
    "h": 267.5
  },
  "luminance": 0.01462
}

Semantic roles & 50–950 ramp

primary

#121E43

secondary

#7C6B35

accent

#BB47E1

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #121E43

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

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