#030A19#030A19

#030A19 is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.6% C 0.036 H 259.2°. Best body text is #FFFFFF at 19.79:1 contrast (WCAG AA passes).

Color values

HEX	#030A19
RGB	rgb(3, 10, 25)
HSL	hsl(221, 79%, 5%)
HSV	hsv(221, 88%, 10%)
CMYK	cmyk(88%, 60%, 0%, 90.2%)
CIE-LAB	lab(2.77, 1.23, -8.98)
CIE-LCH	lch(2.77, 9.06, 277.81°)
OKLab	oklab(14.6% -0.0067 -0.035)
OKLCH	oklch(14.6% 0.036 259.2)
XYZ	xyz(0.3215, 0.3066, 0.9617)
Luminance	0.0031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A19 #191203

analogous

#031519 #030A19 #070319

triadic

#030A19 #19030A #0A1903

tetradic

#030A19 #190315 #191203 #031907

square

#030A19 #190315 #191203 #031907

split-complementary

#030A19 #190703 #151903

monochromatic

#030B1B #030B1B #030B1B #0A2050 #103686

Accessibility & contrast

On white

19.79

#030A19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#030A19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A19

19.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A19	#FFFFFF	#000000	##FFFFFF
##030A19	1.00	19.79	1.06	19.79
#FFFFFF	19.79	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#040B1A

Deuteranopia (green-blind)

#020919

Tritanopia (blue-blind)

#000D10

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #030a19;
/* rgb */ color: rgb(3, 10, 25);
/* oklch */ color: oklch(14.6% 0.036 259.2);

Tailwind

colors: {
  custom: {
    50: '#474b55',
    500: '#030a19',
    950: '#000000',
  },
}

SCSS

$custom: #030a19;
$custom-light: #474b55;
$custom-dark: #000000;

JSON

{
  "hex": "#030a19",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 25
  },
  "hsl": {
    "h": 220.909,
    "s": 78.571,
    "l": 5.49
  },
  "oklch": {
    "l": 0.14599,
    "c": 0.03567,
    "h": 259.2
  },
  "luminance": 0.00307
}

Semantic roles & 50–950 ramp

primary

#030A19

secondary

#5D481B

accent

#B733F5

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000103

muted

#777778

Preview Lab

Preview with #030A19

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

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