#040210#040210

#040210 is a very dark, muted blue. Relative luminance 0.001; OKLCH L 10.6% C 0.039 H 288.6°. Best body text is #FFFFFF at 20.56:1 contrast (WCAG AA passes).

Color values

HEX	#040210
RGB	rgb(4, 2, 16)
HSL	hsl(249, 78%, 4%)
HSV	hsv(249, 88%, 6%)
CMYK	cmyk(75%, 87.5%, 0%, 93.7%)
CIE-LAB	lab(0.96, 2.62, -5.52)
CIE-LCH	lch(0.96, 6.11, 295.40°)
OKLab	oklab(10.6% 0.0124 -0.0368)
OKLCH	oklch(10.6% 0.039 288.6)
XYZ	xyz(0.1653, 0.1066, 0.5020)
Luminance	0.0011 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040210 #0E1002

analogous

#020710 #040210 #0B0210

triadic

#040210 #100402 #021004

tetradic

#040210 #100207 #0E1002 #02100B

square

#040210 #100207 #0E1002 #02100B

split-complementary

#040210 #100B02 #071002

monochromatic

#07031B #07031B #07031B #120946 #1F107D

Accessibility & contrast

On white

20.56

#040210 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#040210 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040210

20.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040210	#FFFFFF	#000000	##FFFFFF
##040210	1.00	20.56	1.02	20.56
#FFFFFF	20.56	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000411

Deuteranopia (green-blind)

#000310

Tritanopia (blue-blind)

#020407

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #040210;
/* rgb */ color: rgb(4, 2, 16);
/* oklch */ color: oklch(10.6% 0.039 288.6);

Tailwind

colors: {
  custom: {
    50: '#48484e',
    500: '#040210',
    950: '#000000',
  },
}

SCSS

$custom: #040210;
$custom-light: #48484e;
$custom-dark: #000000;

JSON

{
  "hex": "#040210",
  "rgb": {
    "r": 4,
    "g": 2,
    "b": 16
  },
  "hsl": {
    "h": 248.571,
    "s": 77.778,
    "l": 3.529
  },
  "oklch": {
    "l": 0.10602,
    "c": 0.03885,
    "h": 288.6
  },
  "luminance": 0.00107
}

Semantic roles & 50–950 ramp

primary

#040210

secondary

#4C5519

accent

#F434D9

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #040210

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

Preview Lab → · Contrast checker → · Palette generator →