#030A15#030A15

#030A15 is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.3% C 0.028 H 253.4°. Best body text is #FFFFFF at 19.85:1 contrast (WCAG AA passes).

Color values

HEX	#030A15
RGB	rgb(3, 10, 21)
HSL	hsl(217, 75%, 5%)
HSV	hsv(217, 86%, 8%)
CMYK	cmyk(85.7%, 52.4%, 0%, 91.8%)
CIE-LAB	lab(2.63, 0.21, -6.21)
CIE-LCH	lch(2.63, 6.21, 271.96°)
OKLab	oklab(14.27% -0.008 -0.0269)
OKLCH	oklch(14.27% 0.028 253.4)
XYZ	xyz(0.2814, 0.2906, 0.7506)
Luminance	0.0029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A15 #150E03

analogous

#031315 #030A15 #050315

triadic

#030A15 #15030A #0A1503

tetradic

#030A15 #150313 #150E03 #031505

square

#030A15 #150313 #150E03 #031505

split-complementary

#030A15 #150503 #131503

monochromatic

#040D1B #040D1B #040D1B #0B234B #123D80

Accessibility & contrast

On white

19.85

#030A15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#030A15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A15

19.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A15	#FFFFFF	#000000	##FFFFFF
##030A15	1.00	19.85	1.06	19.85
#FFFFFF	19.85	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#060B15

Deuteranopia (green-blind)

#040915

Tritanopia (blue-blind)

#000D0E

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #030a15;
/* rgb */ color: rgb(3, 10, 21);
/* oklch */ color: oklch(14.3% 0.028 253.4);

Tailwind

colors: {
  custom: {
    50: '#484b52',
    500: '#030a15',
    950: '#000000',
  },
}

SCSS

$custom: #030a15;
$custom-light: #484b52;
$custom-dark: #000000;

JSON

{
  "hex": "#030a15",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 21
  },
  "hsl": {
    "h": 216.667,
    "s": 75,
    "l": 4.706
  },
  "oklch": {
    "l": 0.14268,
    "c": 0.02812,
    "h": 253.4
  },
  "luminance": 0.00291
}

Semantic roles & 50–950 ramp

primary

#030A15

secondary

#58411C

accent

#A936F2

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000102

muted

#777778

Preview Lab

Preview with #030A15

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

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