#04032F#04032F

#04032F is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 15.3% C 0.086 H 271.4°. Best body text is #FFFFFF at 19.83:1 contrast (WCAG AA passes).

Color values

HEX	#04032F
RGB	rgb(4, 3, 47)
HSL	hsl(241, 88%, 10%)
HSV	hsv(241, 94%, 18%)
CMYK	cmyk(91.5%, 93.6%, 0%, 81.6%)
CIE-LAB	lab(2.67, 12.87, -26.23)
CIE-LCH	lch(2.67, 29.21, 296.13°)
OKLab	oklab(15.25% 0.0021 -0.086)
OKLCH	oklch(15.25% 0.086 271.4)
XYZ	xyz(0.5955, 0.2961, 2.7145)
Luminance	0.0030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04032F #2E2F03

analogous

#03182F #04032F #1A032F

triadic

#04032F #2F0403 #032F04

tetradic

#04032F #2F0318 #2E2F03 #032F1A

square

#04032F #2F0318 #2E2F03 #032F1A

split-complementary

#04032F #2F1A03 #182F03

monochromatic

#02021D #02021D #04032F #090769 #0E0AA2

Accessibility & contrast

On white

19.83

#04032F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#04032F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04032F

19.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04032F	#FFFFFF	#000000	##FFFFFF
##04032F	1.00	19.83	1.06	19.83
#FFFFFF	19.83	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C30

Deuteranopia (green-blind)

#00082E

Tritanopia (blue-blind)

#000F18

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #04032f;
/* rgb */ color: rgb(4, 3, 47);
/* oklch */ color: oklch(15.3% 0.086 271.4);

Tailwind

colors: {
  custom: {
    50: '#4a4868',
    500: '#04032f',
    950: '#000000',
  },
}

SCSS

$custom: #04032f;
$custom-light: #4a4868;
$custom-dark: #000000;

JSON

{
  "hex": "#04032f",
  "rgb": {
    "r": 4,
    "g": 3,
    "b": 47
  },
  "hsl": {
    "h": 241.364,
    "s": 88,
    "l": 9.804
  },
  "oklch": {
    "l": 0.15254,
    "c": 0.086,
    "h": 271.4
  },
  "luminance": 0.00296
}

Semantic roles & 50–950 ramp

primary

#04032F

secondary

#71731B

accent

#FE2AF9

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010006

muted

#77777A

Preview Lab

Preview with #04032F

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

Preview Lab → · Contrast checker → · Palette generator →