#030A17#030A17

#030A17 is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.4% C 0.032 H 256.8°. Best body text is #FFFFFF at 19.82:1 contrast (WCAG AA passes).

Color values

HEX	#030A17
RGB	rgb(3, 10, 23)
HSL	hsl(219, 77%, 5%)
HSV	hsv(219, 87%, 9%)
CMYK	cmyk(87%, 56.5%, 0%, 91%)
CIE-LAB	lab(2.69, 0.70, -7.54)
CIE-LCH	lch(2.69, 7.58, 275.33°)
OKLab	oklab(14.43% -0.0073 -0.031)
OKLCH	oklch(14.43% 0.032 256.8)
XYZ	xyz(0.3007, 0.2983, 0.8522)
Luminance	0.0030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A17 #171003

analogous

#031417 #030A17 #060317

triadic

#030A17 #17030A #0A1703

tetradic

#030A17 #170314 #171003 #031706

square

#030A17 #170314 #171003 #031706

split-complementary

#030A17 #170603 #141703

monochromatic

#040C1B #040C1B #040C1B #0A224D #113983

Accessibility & contrast

On white

19.82

#030A17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#030A17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A17

19.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A17	#FFFFFF	#000000	##FFFFFF
##030A17	1.00	19.82	1.06	19.82
#FFFFFF	19.82	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#050B18

Deuteranopia (green-blind)

#030917

Tritanopia (blue-blind)

#000D0F

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #030a17;
/* rgb */ color: rgb(3, 10, 23);
/* oklch */ color: oklch(14.4% 0.032 256.8);

Tailwind

colors: {
  custom: {
    50: '#484b53',
    500: '#030a17',
    950: '#000000',
  },
}

SCSS

$custom: #030a17;
$custom-light: #484b53;
$custom-dark: #000000;

JSON

{
  "hex": "#030a17",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 23
  },
  "hsl": {
    "h": 219,
    "s": 76.923,
    "l": 5.098
  },
  "oklch": {
    "l": 0.14429,
    "c": 0.03188,
    "h": 256.8
  },
  "luminance": 0.00298
}

Semantic roles & 50–950 ramp

primary

#030A17

secondary

#5B441B

accent

#B134F3

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000102

muted

#777778

Preview Lab

Preview with #030A17

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

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