#03071F#03071F

#03071F is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.2% C 0.053 H 268.1°. Best body text is #FFFFFF at 19.92:1 contrast (WCAG AA passes).

Color values

HEX	#03071F
RGB	rgb(3, 7, 31)
HSL	hsl(231, 82%, 7%)
HSV	hsv(231, 90%, 12%)
CMYK	cmyk(90.3%, 77.4%, 0%, 87.8%)
CIE-LAB	lab(2.44, 4.26, -14.26)
CIE-LCH	lch(2.44, 14.88, 286.63°)
OKLab	oklab(14.25% -0.0017 -0.0525)
OKLCH	oklch(14.25% 0.053 268.1)
XYZ	xyz(0.3608, 0.2702, 1.3292)
Luminance	0.0027 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03071F #1F1B03

analogous

#03151F #03071F #0D031F

triadic

#03071F #1F0307 #071F03

tetradic

#03071F #1F0315 #1F1B03 #031F0D

square

#03071F #1F0315 #1F1B03 #031F0D

split-complementary

#03071F #1F0D03 #151F03

monochromatic

#03061C #03061C #03071F #081457 #0E208F

Accessibility & contrast

On white

19.92

#03071F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#03071F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03071F

19.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03071F	#FFFFFF	#000000	##FFFFFF
##03071F	1.00	19.92	1.05	19.92
#FFFFFF	19.92	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	19.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A20

Deuteranopia (green-blind)

#00081F

Tritanopia (blue-blind)

#000D11

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #03071f;
/* rgb */ color: rgb(3, 7, 31);
/* oklch */ color: oklch(14.2% 0.053 268.1);

Tailwind

colors: {
  custom: {
    50: '#474a5a',
    500: '#03071f',
    950: '#000000',
  },
}

SCSS

$custom: #03071f;
$custom-light: #474a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#03071f",
  "rgb": {
    "r": 3,
    "g": 7,
    "b": 31
  },
  "hsl": {
    "h": 231.429,
    "s": 82.353,
    "l": 6.667
  },
  "oklch": {
    "l": 0.14245,
    "c": 0.05251,
    "h": 268.1
  },
  "luminance": 0.0027
}

Semantic roles & 50–950 ramp

primary

#03071F

secondary

#63591B

accent

#DC2FF9

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #03071F

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

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