#04112B#04112B

#04112B is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.4% C 0.057 H 260.9°. Best body text is #FFFFFF at 18.75:1 contrast (WCAG AA passes).

Color values

HEX	#04112B
RGB	rgb(4, 17, 43)
HSL	hsl(220, 83%, 9%)
HSV	hsv(220, 91%, 17%)
CMYK	cmyk(90.7%, 60.5%, 0%, 83.1%)
CIE-LAB	lab(5.43, 4.72, -18.86)
CIE-LCH	lch(5.43, 19.44, 284.05°)
OKLab	oklab(18.37% -0.009 -0.0559)
OKLCH	oklch(18.37% 0.057 260.9)
XYZ	xyz(0.6864, 0.6010, 2.3649)
Luminance	0.0060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.18

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04112B #2B1E04

analogous

#04252B #04112B #0B042B

triadic

#04112B #2B0411 #112B04

tetradic

#04112B #2B0425 #2B1E04 #042B0B

square

#04112B #2B0425 #2B1E04 #042B0B

split-complementary

#04112B #2B0B04 #252B04

monochromatic

#030B1C #030B1C #04112B #092763 #0E3D9B

Accessibility & contrast

On white

18.75

#04112B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#04112B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04112B

18.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04112B	#FFFFFF	#000000	##FFFFFF
##04112B	1.00	18.75	1.12	18.75
#FFFFFF	18.75	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04142C

Deuteranopia (green-blind)

#00102A

Tritanopia (blue-blind)

#00171B

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #04112b;
/* rgb */ color: rgb(4, 17, 43);
/* oklch */ color: oklch(18.4% 0.057 260.9);

Tailwind

colors: {
  custom: {
    50: '#494f64',
    500: '#04112b',
    950: '#000000',
  },
}

SCSS

$custom: #04112b;
$custom-light: #494f64;
$custom-dark: #000000;

JSON

{
  "hex": "#04112b",
  "rgb": {
    "r": 4,
    "g": 17,
    "b": 43
  },
  "hsl": {
    "h": 220,
    "s": 82.979,
    "l": 9.216
  },
  "oklch": {
    "l": 0.1837,
    "c": 0.05657,
    "h": 260.9
  },
  "luminance": 0.00601
}

Semantic roles & 50–950 ramp

primary

#04112B

secondary

#6E531D

accent

#B62EF9

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010105

muted

#77777A

Preview Lab

Preview with #04112B

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

Preview Lab → · Contrast checker → · Palette generator →