#040213#040213

#040213 is a very dark, muted blue. Relative luminance 0.001; OKLCH L 11.0% C 0.044 H 285.6°. Best body text is #FFFFFF at 20.52:1 contrast (WCAG AA passes).

Color values

HEX	#040213
RGB	rgb(4, 2, 19)
HSL	hsl(247, 81%, 4%)
HSV	hsv(247, 89%, 7%)
CMYK	cmyk(78.9%, 89.5%, 0%, 92.5%)
CIE-LAB	lab(1.05, 3.23, -7.18)
CIE-LCH	lch(1.05, 7.87, 294.23°)
OKLab	oklab(10.96% 0.0119 -0.0427)
OKLCH	oklch(10.96% 0.044 285.6)
XYZ	xyz(0.1893, 0.1162, 0.6284)
Luminance	0.0012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040213 #111302

analogous

#020913 #040213 #0D0213

triadic

#040213 #130402 #021304

tetradic

#040213 #130209 #111302 #02130D

square

#040213 #130209 #111302 #02130D

split-complementary

#040213 #130D02 #091302

monochromatic

#06031C #06031C #06031C #10084A #1B0E82

Accessibility & contrast

On white

20.52

#040213 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#040213 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040213

20.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040213	#FFFFFF	#000000	##FFFFFF
##040213	1.00	20.52	1.02	20.52
#FFFFFF	20.52	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000414

Deuteranopia (green-blind)

#000313

Tritanopia (blue-blind)

#010508

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #040213;
/* rgb */ color: rgb(4, 2, 19);
/* oklch */ color: oklch(11.0% 0.044 285.6);

Tailwind

colors: {
  custom: {
    50: '#484850',
    500: '#040213',
    950: '#000000',
  },
}

SCSS

$custom: #040213;
$custom-light: #484850;
$custom-dark: #000000;

JSON

{
  "hex": "#040213",
  "rgb": {
    "r": 4,
    "g": 2,
    "b": 19
  },
  "hsl": {
    "h": 247.059,
    "s": 80.952,
    "l": 4.118
  },
  "oklch": {
    "l": 0.10959,
    "c": 0.04429,
    "h": 285.6
  },
  "luminance": 0.00116
}

Semantic roles & 50–950 ramp

primary

#040213

secondary

#515818

accent

#F730E0

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000002

muted

#777778

Preview Lab

Preview with #040213

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

Preview Lab → · Contrast checker → · Palette generator →