#04122C#04122C

#04122C is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.7% C 0.057 H 260.0°. Best body text is #FFFFFF at 18.62:1 contrast (WCAG AA passes).

Color values

HEX	#04122C
RGB	rgb(4, 18, 44)
HSL	hsl(219, 83%, 9%)
HSV	hsv(219, 91%, 17%)
CMYK	cmyk(90.9%, 59.1%, 0%, 82.7%)
CIE-LAB	lab(5.78, 4.60, -19.04)
CIE-LCH	lch(5.78, 19.59, 283.58°)
OKLab	oklab(18.74% -0.0098 -0.0559)
OKLCH	oklch(18.74% 0.057 260)
XYZ	xyz(0.7208, 0.6402, 2.4680)
Luminance	0.0064 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.22

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04122C #2C1E04

analogous

#04262C #04122C #0A042C

triadic

#04122C #2C0412 #122C04

tetradic

#04122C #2C0426 #2C1E04 #042C0A

square

#04122C #2C0426 #2C1E04 #042C0A

split-complementary

#04122C #2C0A04 #262C04

monochromatic

#030B1C #030B1C #04122C #092964 #0E409C

Accessibility & contrast

On white

18.62

#04122C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.13

#04122C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04122C

18.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04122C	#FFFFFF	#000000	##FFFFFF
##04122C	1.00	18.62	1.13	18.62
#FFFFFF	18.62	1.00	21.00	1.00
#000000	1.13	21.00	1.00	21.00
##FFFFFF	18.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05152D

Deuteranopia (green-blind)

#00112B

Tritanopia (blue-blind)

#00181C

Achromatopsia (no color)

#131313

Design tokens & code

CSS

--color: #04122c;
/* rgb */ color: rgb(4, 18, 44);
/* oklch */ color: oklch(18.7% 0.057 260.0);

Tailwind

colors: {
  custom: {
    50: '#4a4f65',
    500: '#04122c',
    950: '#000000',
  },
}

SCSS

$custom: #04122c;
$custom-light: #4a4f65;
$custom-dark: #000000;

JSON

{
  "hex": "#04122c",
  "rgb": {
    "r": 4,
    "g": 18,
    "b": 44
  },
  "hsl": {
    "h": 219,
    "s": 83.333,
    "l": 9.412
  },
  "oklch": {
    "l": 0.18741,
    "c": 0.05677,
    "h": 260
  },
  "luminance": 0.0064
}

Semantic roles & 50–950 ramp

primary

#04122C

secondary

#6F521D

accent

#B22EFA

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010205

muted

#77787A

Preview Lab

Preview with #04122C

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

Preview Lab → · Contrast checker → · Palette generator →