#040220#040220

#040220 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 12.7% C 0.066 H 277.0°. Best body text is #FFFFFF at 20.29:1 contrast (WCAG AA passes).

Color values

HEX	#040220
RGB	rgb(4, 2, 32)
HSL	hsl(244, 88%, 7%)
HSV	hsv(244, 94%, 13%)
CMYK	cmyk(87.5%, 93.8%, 0%, 87.5%)
CIE-LAB	lab(1.57, 6.86, -16.37)
CIE-LCH	lch(1.57, 17.75, 292.74°)
OKLab	oklab(12.72% 0.008 -0.0654)
OKLCH	oklch(12.72% 0.066 277)
XYZ	xyz(0.3324, 0.1735, 1.3822)
Luminance	0.0017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.73

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040220 #1E2002

analogous

#020F20 #040220 #130220

triadic

#040220 #200402 #022004

tetradic

#040220 #20020F #1E2002 #022013

square

#040220 #20020F #1E2002 #022013

split-complementary

#040220 #201302 #0F2002

monochromatic

#04021D #04021D #040220 #0B065A #120993

Accessibility & contrast

On white

20.29

#040220 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#040220 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040220

20.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040220	#FFFFFF	#000000	##FFFFFF
##040220	1.00	20.29	1.03	20.29
#FFFFFF	20.29	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000721

Deuteranopia (green-blind)

#00051F

Tritanopia (blue-blind)

#00090F

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #040220;
/* rgb */ color: rgb(4, 2, 32);
/* oklch */ color: oklch(12.7% 0.066 277.0);

Tailwind

colors: {
  custom: {
    50: '#48485b',
    500: '#040220',
    950: '#000000',
  },
}

SCSS

$custom: #040220;
$custom-light: #48485b;
$custom-dark: #000000;

JSON

{
  "hex": "#040220",
  "rgb": {
    "r": 4,
    "g": 2,
    "b": 32
  },
  "hsl": {
    "h": 244,
    "s": 88.235,
    "l": 6.667
  },
  "oklch": {
    "l": 0.12715,
    "c": 0.06586,
    "h": 277
  },
  "luminance": 0.00174
}

Semantic roles & 50–950 ramp

primary

#040220

secondary

#616618

accent

#FE29F0

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000004

muted

#777779

Preview Lab

Preview with #040220

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

Preview Lab → · Contrast checker → · Palette generator →