#03070F#03070F

#03070F is a very dark, muted blue. Relative luminance 0.002; OKLCH L 12.7% C 0.021 H 256.2°. Best body text is #FFFFFF at 20.17:1 contrast (WCAG AA passes).

Color values

HEX	#03070F
RGB	rgb(3, 7, 15)
HSL	hsl(220, 67%, 4%)
HSV	hsv(220, 80%, 6%)
CMYK	cmyk(80%, 53.3%, 0%, 94.1%)
CIE-LAB	lab(1.86, 0.17, -3.67)
CIE-LCH	lch(1.86, 3.68, 272.61°)
OKLab	oklab(12.73% -0.0051 -0.0207)
OKLCH	oklch(12.73% 0.021 256.2)
XYZ	xyz(0.1997, 0.2058, 0.4810)
Luminance	0.0021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03070F #0F0B03

analogous

#030D0F #03070F #05030F

triadic

#03070F #0F0307 #070F03

tetradic

#03070F #0F030D #0F0B03 #030F05

square

#03070F #0F030D #0F0B03 #030F05

split-complementary

#03070F #0F0503 #0D0F03

monochromatic

#050C1A #050C1A #050C1A #0D1F42 #173775

Accessibility & contrast

On white

20.17

#03070F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#03070F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03070F

20.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03070F	#FFFFFF	#000000	##FFFFFF
##03070F	1.00	20.17	1.04	20.17
#FFFFFF	20.17	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05070F

Deuteranopia (green-blind)

#04060F

Tritanopia (blue-blind)

#00090A

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #03070f;
/* rgb */ color: rgb(3, 7, 15);
/* oklch */ color: oklch(12.7% 0.021 256.2);

Tailwind

colors: {
  custom: {
    50: '#484a4e',
    500: '#03070f',
    950: '#000000',
  },
}

SCSS

$custom: #03070f;
$custom-light: #484a4e;
$custom-dark: #000000;

JSON

{
  "hex": "#03070f",
  "rgb": {
    "r": 3,
    "g": 7,
    "b": 15
  },
  "hsl": {
    "h": 220,
    "s": 66.667,
    "l": 3.529
  },
  "oklch": {
    "l": 0.12725,
    "c": 0.02137,
    "h": 256.2
  },
  "luminance": 0.00206
}

Semantic roles & 50–950 ramp

primary

#03070F

secondary

#513F1D

accent

#B03EEA

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #03070F

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

Preview Lab → · Contrast checker → · Palette generator →