#04020F#04020F

#04020F is a very dark, muted blue. Relative luminance 0.001; OKLCH L 10.5% C 0.037 H 289.8°. Best body text is #FFFFFF at 20.57:1 contrast (WCAG AA passes).

Color values

HEX	#04020F
RGB	rgb(4, 2, 15)
HSL	hsl(249, 76%, 3%)
HSV	hsv(249, 87%, 6%)
CMYK	cmyk(73.3%, 86.7%, 0%, 94.1%)
CIE-LAB	lab(0.94, 2.43, -5.01)
CIE-LCH	lch(0.94, 5.57, 295.90°)
OKLab	oklab(10.49% 0.0125 -0.0348)
OKLCH	oklch(10.49% 0.037 289.8)
XYZ	xyz(0.1580, 0.1037, 0.4635)
Luminance	0.0010 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04020F #0D0F02

analogous

#02060F #04020F #0A020F

triadic

#04020F #0F0402 #020F04

tetradic

#04020F #0F0206 #0D0F02 #020F0A

square

#04020F #0F0206 #0D0F02 #020F0A

split-complementary

#04020F #0F0A02 #060F02

monochromatic

#07041B #07041B #07041B #120945 #21107B

Accessibility & contrast

On white

20.57

#04020F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#04020F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04020F

20.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04020F	#FFFFFF	#000000	##FFFFFF
##04020F	1.00	20.57	1.02	20.57
#FFFFFF	20.57	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000410

Deuteranopia (green-blind)

#00030F

Tritanopia (blue-blind)

#020406

Achromatopsia (no color)

#030303

Design tokens & code

CSS

--color: #04020f;
/* rgb */ color: rgb(4, 2, 15);
/* oklch */ color: oklch(10.5% 0.037 289.8);

Tailwind

colors: {
  custom: {
    50: '#48484e',
    500: '#04020f',
    950: '#000000',
  },
}

SCSS

$custom: #04020f;
$custom-light: #48484e;
$custom-dark: #000000;

JSON

{
  "hex": "#04020f",
  "rgb": {
    "r": 4,
    "g": 2,
    "b": 15
  },
  "hsl": {
    "h": 249.231,
    "s": 76.471,
    "l": 3.333
  },
  "oklch": {
    "l": 0.10488,
    "c": 0.03698,
    "h": 289.8
  },
  "luminance": 0.00104
}

Semantic roles & 50–950 ramp

primary

#04020F

secondary

#4B5419

accent

#F335D6

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #04020F

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

Preview Lab → · Contrast checker → · Palette generator →