#03030F#03030F

#03030F is a very dark, muted blue. Relative luminance 0.001; OKLCH L 10.8% C 0.033 H 279.4°. Best body text is #FFFFFF at 20.51:1 contrast (WCAG AA passes).

Color values

HEX	#03030F
RGB	rgb(3, 3, 15)
HSL	hsl(240, 67%, 4%)
HSV	hsv(240, 80%, 6%)
CMYK	cmyk(80%, 80%, 0%, 94.1%)
CIE-LAB	lab(1.07, 1.77, -4.82)
CIE-LCH	lch(1.07, 5.14, 290.16°)
OKLab	oklab(10.84% 0.0054 -0.0323)
OKLCH	oklch(10.84% 0.033 279.4)
XYZ	xyz(0.1563, 0.1190, 0.4666)
Luminance	0.0012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03030F #0F0F03

analogous

#03090F #03030F #09030F

triadic

#03030F #0F0303 #030F03

tetradic

#03030F #0F0309 #0F0F03 #030F09

square

#03030F #0F0309 #0F0F03 #030F09

split-complementary

#03030F #0F0903 #090F03

monochromatic

#05051A #05051A #05051A #0D0D42 #171775

Accessibility & contrast

On white

20.51

#03030F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#03030F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03030F

20.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03030F	#FFFFFF	#000000	##FFFFFF
##03030F	1.00	20.51	1.02	20.51
#FFFFFF	20.51	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000410

Deuteranopia (green-blind)

#00040F

Tritanopia (blue-blind)

#010507

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #03030f;
/* rgb */ color: rgb(3, 3, 15);
/* oklch */ color: oklch(10.8% 0.033 279.4);

Tailwind

colors: {
  custom: {
    50: '#48484e',
    500: '#03030f',
    950: '#000000',
  },
}

SCSS

$custom: #03030f;
$custom-light: #48484e;
$custom-dark: #000000;

JSON

{
  "hex": "#03030f",
  "rgb": {
    "r": 3,
    "g": 3,
    "b": 15
  },
  "hsl": {
    "h": 240,
    "s": 66.667,
    "l": 3.529
  },
  "oklch": {
    "l": 0.10836,
    "c": 0.03272,
    "h": 279.4
  },
  "luminance": 0.00119
}

Semantic roles & 50–950 ramp

primary

#03030F

secondary

#51511D

accent

#EA3EEA

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #03030F

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

Preview Lab → · Contrast checker → · Palette generator →