#030307#030307

#030307 is a very dark, near-neutral blue. Relative luminance 0.001; OKLCH L 10.1% C 0.015 H 283.5°. Best body text is #FFFFFF at 20.59:1 contrast (WCAG AA passes).

Color values

HEX	#030307
RGB	rgb(3, 3, 7)
HSL	hsl(240, 40%, 2%)
HSV	hsv(240, 57%, 3%)
CMYK	cmyk(57.1%, 57.1%, 0%, 97.3%)
CIE-LAB	lab(0.90, 0.56, -1.51)
CIE-LCH	lch(0.90, 1.61, 290.26°)
OKLab	oklab(10.08% 0.0034 -0.0141)
OKLCH	oklch(10.08% 0.015 283.5)
XYZ	xyz(0.1085, 0.0998, 0.2145)
Luminance	0.0010 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030307 #070703

analogous

#030507 #030307 #050307

triadic

#030307 #070303 #030703

tetradic

#030307 #070305 #070703 #030705

square

#030307 #070305 #070703 #030705

split-complementary

#030307 #070503 #050703

monochromatic

#090915 #090915 #090915 #151532 #28285D

Accessibility & contrast

On white

20.59

#030307 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#030307 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030307

20.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030307	#FFFFFF	#000000	##FFFFFF
##030307	1.00	20.59	1.02	20.59
#FFFFFF	20.59	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#020307

Deuteranopia (green-blind)

#020307

Tritanopia (blue-blind)

#020404

Achromatopsia (no color)

#030303

Design tokens & code

CSS

--color: #030307;
/* rgb */ color: rgb(3, 3, 7);
/* oklch */ color: oklch(10.1% 0.015 283.5);

Tailwind

colors: {
  custom: {
    50: '#48484a',
    500: '#030307',
    950: '#000000',
  },
}

SCSS

$custom: #030307;
$custom-light: #48484a;
$custom-dark: #000000;

JSON

{
  "hex": "#030307",
  "rgb": {
    "r": 3,
    "g": 3,
    "b": 7
  },
  "hsl": {
    "h": 240,
    "s": 40,
    "l": 1.961
  },
  "oklch": {
    "l": 0.1008,
    "c": 0.01455,
    "h": 283.5
  },
  "luminance": 0.001
}

Semantic roles & 50–950 ramp

primary

#030307

secondary

#414125

accent

#D058D0

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #030307

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

Preview Lab → · Contrast checker → · Palette generator →