#030A18#030A18

#030A18 is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.5% C 0.034 H 258.1°. Best body text is #FFFFFF at 19.80:1 contrast (WCAG AA passes).

Color values

HEX	#030A18
RGB	rgb(3, 10, 24)
HSL	hsl(220, 78%, 5%)
HSV	hsv(220, 88%, 9%)
CMYK	cmyk(87.5%, 58.3%, 0%, 90.6%)
CIE-LAB	lab(2.73, 0.96, -8.25)
CIE-LCH	lch(2.73, 8.31, 276.65°)
OKLab	oklab(14.51% -0.007 -0.033)
OKLCH	oklch(14.51% 0.034 258.1)
XYZ	xyz(0.3109, 0.3024, 0.9060)
Luminance	0.0030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A18 #181103

analogous

#031418 #030A18 #060318

triadic

#030A18 #18030A #0A1803

tetradic

#030A18 #180314 #181103 #031806

square

#030A18 #180314 #181103 #031806

split-complementary

#030A18 #180603 #141803

monochromatic

#030B1B #030B1B #030B1B #0A214E #113785

Accessibility & contrast

On white

19.80

#030A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#030A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A18

19.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A18	#FFFFFF	#000000	##FFFFFF
##030A18	1.00	19.80	1.06	19.80
#FFFFFF	19.80	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#050B19

Deuteranopia (green-blind)

#030918

Tritanopia (blue-blind)

#000D0F

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #030a18;
/* rgb */ color: rgb(3, 10, 24);
/* oklch */ color: oklch(14.5% 0.034 258.1);

Tailwind

colors: {
  custom: {
    50: '#484b54',
    500: '#030a18',
    950: '#000000',
  },
}

SCSS

$custom: #030a18;
$custom-light: #484b54;
$custom-dark: #000000;

JSON

{
  "hex": "#030a18",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 24
  },
  "hsl": {
    "h": 220,
    "s": 77.778,
    "l": 5.294
  },
  "oklch": {
    "l": 0.14513,
    "c": 0.03377,
    "h": 258.1
  },
  "luminance": 0.00302
}

Semantic roles & 50–950 ramp

primary

#030A18

secondary

#5C461B

accent

#B434F4

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000102

muted

#777778

Preview Lab

Preview with #030A18

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

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