#0A040F#0A040F

#0A040F is a very dark, muted violet. Relative luminance 0.002; OKLCH L 12.6% C 0.030 H 310.7°. Best body text is #FFFFFF at 20.25:1 contrast (WCAG AA passes).

Color values

HEX	#0A040F
RGB	rgb(10, 4, 15)
HSL	hsl(273, 58%, 4%)
HSV	hsv(273, 73%, 6%)
CMYK	cmyk(33.3%, 73.3%, 0%, 94.1%)
CIE-LAB	lab(1.68, 3.20, -3.89)
CIE-LCH	lch(1.68, 5.04, 309.45°)
OKLab	oklab(12.62% 0.0193 -0.0225)
OKLCH	oklch(12.62% 0.03 310.7)
XYZ	xyz(0.2548, 0.1859, 0.4743)
Luminance	0.0019 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A040F #090F04

analogous

#04040F #0A040F #0F040E

triadic

#0A040F #0F0A04 #040F0A

tetradic

#0A040F #0F0404 #090F04 #040E0F

square

#0A040F #0F0404 #090F04 #040E0F

split-complementary

#0A040F #0E0F04 #040F04

monochromatic

#100618 #100618 #100618 #2A113F #4A1E70

Accessibility & contrast

On white

20.25

#0A040F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#0A040F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A040F

20.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A040F	#FFFFFF	#000000	##FFFFFF
##0A040F	1.00	20.25	1.04	20.25
#FFFFFF	20.25	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#03060F

Deuteranopia (green-blind)

#04060F

Tritanopia (blue-blind)

#090508

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #0a040f;
/* rgb */ color: rgb(10, 4, 15);
/* oklch */ color: oklch(12.6% 0.030 310.7);

Tailwind

colors: {
  custom: {
    50: '#4b484e',
    500: '#0a040f',
    950: '#000000',
  },
}

SCSS

$custom: #0a040f;
$custom-light: #4b484e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a040f",
  "rgb": {
    "r": 10,
    "g": 4,
    "b": 15
  },
  "hsl": {
    "h": 272.727,
    "s": 57.895,
    "l": 3.725
  },
  "oklch": {
    "l": 0.12623,
    "c": 0.02963,
    "h": 310.7
  },
  "luminance": 0.00186
}

Semantic roles & 50–950 ramp

primary

#0A040F

secondary

#354E21

accent

#E1478D

background

#F4F4F4

surface

#E7E6E7

border

#C3C2C3

text

#010001

muted

#777777

Preview Lab

Preview with #0A040F

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

Preview Lab → · Contrast checker → · Palette generator →