#03071D#03071D

#03071D is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.0% C 0.049 H 267.9°. Best body text is #FFFFFF at 19.96:1 contrast (WCAG AA passes).

Color values

HEX	#03071D
RGB	rgb(3, 7, 29)
HSL	hsl(231, 81%, 6%)
HSV	hsv(231, 90%, 11%)
CMYK	cmyk(89.7%, 75.9%, 0%, 88.6%)
CIE-LAB	lab(2.35, 3.61, -12.81)
CIE-LCH	lch(2.35, 13.31, 285.73°)
OKLab	oklab(14.03% -0.0018 -0.0488)
OKLCH	oklch(14.03% 0.049 267.9)
XYZ	xyz(0.3352, 0.2600, 1.1947)
Luminance	0.0026 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03071D #1D1903

analogous

#03141D #03071D #0C031D

triadic

#03071D #1D0307 #071D03

tetradic

#03071D #1D0314 #1D1903 #031D0C

square

#03071D #1D0314 #1D1903 #031D0C

split-complementary

#03071D #1D0C03 #141D03

monochromatic

#03071C #03071C #03071D #091454 #0E228C

Accessibility & contrast

On white

19.96

#03071D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#03071D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03071D

19.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03071D	#FFFFFF	#000000	##FFFFFF
##03071D	1.00	19.96	1.05	19.96
#FFFFFF	19.96	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	19.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A1E

Deuteranopia (green-blind)

#00071D

Tritanopia (blue-blind)

#000C10

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #03071d;
/* rgb */ color: rgb(3, 7, 29);
/* oklch */ color: oklch(14.0% 0.049 267.9);

Tailwind

colors: {
  custom: {
    50: '#474a58',
    500: '#03071d',
    950: '#000000',
  },
}

SCSS

$custom: #03071d;
$custom-light: #474a58;
$custom-dark: #000000;

JSON

{
  "hex": "#03071d",
  "rgb": {
    "r": 3,
    "g": 7,
    "b": 29
  },
  "hsl": {
    "h": 230.769,
    "s": 81.25,
    "l": 6.275
  },
  "oklch": {
    "l": 0.14025,
    "c": 0.04882,
    "h": 267.9
  },
  "luminance": 0.0026
}

Semantic roles & 50–950 ramp

primary

#03071D

secondary

#61561B

accent

#D930F8

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000103

muted

#777778

Preview Lab

Preview with #03071D

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

Preview Lab → · Contrast checker → · Palette generator →