#030A1F#030A1F

#030A1F is a very dark, muted blue. Relative luminance 0.003; OKLCH L 15.2% C 0.047 H 263.5°. Best body text is #FFFFFF at 19.68:1 contrast (WCAG AA passes).

Color values

HEX	#030A1F
RGB	rgb(3, 10, 31)
HSL	hsl(225, 82%, 7%)
HSV	hsv(225, 90%, 12%)
CMYK	cmyk(90.3%, 67.7%, 0%, 87.8%)
CIE-LAB	lab(3.03, 3.06, -13.37)
CIE-LCH	lch(3.03, 13.71, 282.88°)
OKLab	oklab(15.16% -0.0053 -0.0467)
OKLCH	oklch(15.16% 0.047 263.5)
XYZ	xyz(0.3933, 0.3353, 1.3401)
Luminance	0.0034 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A1F #1F1803

analogous

#03181F #030A1F #0A031F

triadic

#030A1F #1F030A #0A1F03

tetradic

#030A1F #1F0318 #1F1803 #031F0A

square

#030A1F #1F0318 #1F1803 #031F0A

split-complementary

#030A1F #1F0A03 #181F03

monochromatic

#03091C #03091C #030A1F #081C57 #0E2E8F

Accessibility & contrast

On white

19.68

#030A1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#030A1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A1F

19.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A1F	#FFFFFF	#000000	##FFFFFF
##030A1F	1.00	19.68	1.07	19.68
#FFFFFF	19.68	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#020D20

Deuteranopia (green-blind)

#000A1F

Tritanopia (blue-blind)

#000F12

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #030a1f;
/* rgb */ color: rgb(3, 10, 31);
/* oklch */ color: oklch(15.2% 0.047 263.5);

Tailwind

colors: {
  custom: {
    50: '#474b5a',
    500: '#030a1f',
    950: '#000000',
  },
}

SCSS

$custom: #030a1f;
$custom-light: #474b5a;
$custom-dark: #000000;

JSON

{
  "hex": "#030a1f",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 31
  },
  "hsl": {
    "h": 225,
    "s": 82.353,
    "l": 6.667
  },
  "oklch": {
    "l": 0.15156,
    "c": 0.04696,
    "h": 263.5
  },
  "luminance": 0.00335
}

Semantic roles & 50–950 ramp

primary

#030A1F

secondary

#63511B

accent

#C62FF9

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #030A1F

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

Preview Lab → · Contrast checker → · Palette generator →