#121E40#121E40

#121E40 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.5% C 0.067 H 266.8°. Best body text is #FFFFFF at 16.34:1 contrast (WCAG AA passes).

Color values

HEX	#121E40
RGB	rgb(18, 30, 64)
HSL	hsl(224, 56%, 16%)
HSV	hsv(224, 72%, 25%)
CMYK	cmyk(71.9%, 53.1%, 0%, 74.9%)
CIE-LAB	lab(12.14, 7.89, -23.29)
CIE-LCH	lch(12.14, 24.59, 288.71°)
OKLab	oklab(24.54% -0.0037 -0.0666)
OKLCH	oklch(24.54% 0.067 266.8)
XYZ	xyz(1.6388, 1.4272, 5.0386)
Luminance	0.0143 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E40 #403412

analogous

#123540 #121E40 #1D1240

triadic

#121E40 #40121E #1E4012

tetradic

#121E40 #401235 #403412 #12401D

square

#121E40 #401235 #403412 #12401D

split-complementary

#121E40 #401D12 #354012

monochromatic

#070B18 #070B18 #121E40 #1F3470 #2D4BA0

Accessibility & contrast

On white

16.34

#121E40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#121E40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E40

16.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E40	#FFFFFF	#000000	##FFFFFF
##121E40	1.00	16.34	1.29	16.34
#FFFFFF	16.34	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D2241

Deuteranopia (green-blind)

#061E3F

Tritanopia (blue-blind)

#00262B

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121e40;
/* rgb */ color: rgb(18, 30, 64);
/* oklch */ color: oklch(24.5% 0.067 266.8);

Tailwind

colors: {
  custom: {
    50: '#565975',
    500: '#121e40',
    950: '#000000',
  },
}

SCSS

$custom: #121e40;
$custom-light: #565975;
$custom-dark: #000000;

JSON

{
  "hex": "#121e40",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 64
  },
  "hsl": {
    "h": 224.348,
    "s": 56.098,
    "l": 16.078
  },
  "oklch": {
    "l": 0.24536,
    "c": 0.06668,
    "h": 266.8
  },
  "luminance": 0.01427
}

Semantic roles & 50–950 ramp

primary

#121E40

secondary

#796735

accent

#B848DF

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #121E40

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

Preview Lab → · Contrast checker → · Palette generator →