#03070B#03070B

#03070B is a very dark, near-neutral cyan. Relative luminance 0.002; OKLCH L 12.4% C 0.014 H 239.9°. Best body text is #FFFFFF at 20.21:1 contrast (WCAG AA passes).

Color values

HEX	#03070B
RGB	rgb(3, 7, 11)
HSL	hsl(210, 57%, 3%)
HSV	hsv(210, 73%, 4%)
CMYK	cmyk(72.7%, 36.4%, 0%, 95.7%)
CIE-LAB	lab(1.77, -0.49, -1.89)
CIE-LCH	lch(1.77, 1.95, 255.53°)
OKLab	oklab(12.45% -0.007 -0.0121)
OKLCH	oklch(12.45% 0.014 239.9)
XYZ	xyz(0.1739, 0.1955, 0.3451)
Luminance	0.0019 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03070B #0B0703

analogous

#030B0B #03070B #03030B

triadic

#03070B #0B0307 #070B03

tetradic

#03070B #0B030B #0B0703 #030B03

square

#03070B #0B030B #0B0703 #030B03

split-complementary

#03070B #0B0303 #0B0B03

monochromatic

#070F18 #070F18 #070F18 #10263B #1D446B

Accessibility & contrast

On white

20.21

#03070B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#03070B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03070B

20.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03070B	#FFFFFF	#000000	##FFFFFF
##03070B	1.00	20.21	1.04	20.21
#FFFFFF	20.21	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#06070B

Deuteranopia (green-blind)

#05060B

Tritanopia (blue-blind)

#010808

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #03070b;
/* rgb */ color: rgb(3, 7, 11);
/* oklch */ color: oklch(12.4% 0.014 239.9);

Tailwind

colors: {
  custom: {
    50: '#484a4c',
    500: '#03070b',
    950: '#000000',
  },
}

SCSS

$custom: #03070b;
$custom-light: #484a4c;
$custom-dark: #000000;

JSON

{
  "hex": "#03070b",
  "rgb": {
    "r": 3,
    "g": 7,
    "b": 11
  },
  "hsl": {
    "h": 210,
    "s": 57.143,
    "l": 2.745
  },
  "oklch": {
    "l": 0.12445,
    "c": 0.01401,
    "h": 239.9
  },
  "luminance": 0.00195
}

Semantic roles & 50–950 ramp

primary

#03070B

secondary

#4A3520

accent

#9447E0

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #03070B

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

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