#121E42#121E42

#121E42 is a very dark, moderate blue. Relative luminance 0.015; OKLCH L 24.7% C 0.070 H 267.3°. Best body text is #FFFFFF at 16.28:1 contrast (WCAG AA passes).

Color values

HEX	#121E42
RGB	rgb(18, 30, 66)
HSL	hsl(225, 57%, 16%)
HSV	hsv(225, 73%, 26%)
CMYK	cmyk(72.7%, 54.5%, 0%, 74.1%)
CIE-LAB	lab(12.29, 8.74, -24.45)
CIE-LCH	lch(12.29, 25.97, 289.68°)
OKLab	oklab(24.7% -0.0033 -0.07)
OKLCH	oklch(24.7% 0.07 267.3)
XYZ	xyz(1.6968, 1.4503, 5.3437)
Luminance	0.0145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E42 #423612

analogous

#123642 #121E42 #1E1242

triadic

#121E42 #42121E #1E4212

tetradic

#121E42 #421236 #423612 #12421E

square

#121E42 #421236 #423612 #12421E

split-complementary

#121E42 #421E12 #364212

monochromatic

#070B18 #070B18 #121E42 #1F3472 #2C4AA2

Accessibility & contrast

On white

16.28

#121E42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#121E42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E42

16.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E42	#FFFFFF	#000000	##FFFFFF
##121E42	1.00	16.28	1.29	16.28
#FFFFFF	16.28	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B2243

Deuteranopia (green-blind)

#031E41

Tritanopia (blue-blind)

#00262C

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121e42;
/* rgb */ color: rgb(18, 30, 66);
/* oklch */ color: oklch(24.7% 0.070 267.3);

Tailwind

colors: {
  custom: {
    50: '#565977',
    500: '#121e42',
    950: '#000000',
  },
}

SCSS

$custom: #121e42;
$custom-light: #565977;
$custom-dark: #000000;

JSON

{
  "hex": "#121e42",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 66
  },
  "hsl": {
    "h": 225,
    "s": 57.143,
    "l": 16.471
  },
  "oklch": {
    "l": 0.24701,
    "c": 0.07008,
    "h": 267.3
  },
  "luminance": 0.0145
}

Semantic roles & 50–950 ramp

primary

#121E42

secondary

#7B6935

accent

#BA47E0

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #121E42

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

Preview Lab → · Contrast checker → · Palette generator →