#100B1D#100B1D

#100B1D is a very dark, muted violet. Relative luminance 0.004; OKLCH L 16.7% C 0.037 H 294.8°. Best body text is #FFFFFF at 19.31:1 contrast (WCAG AA passes).

Color values

HEX	#100B1D
RGB	rgb(16, 11, 29)
HSL	hsl(257, 45%, 8%)
HSV	hsv(257, 62%, 11%)
CMYK	cmyk(44.8%, 62.1%, 0%, 88.6%)
CIE-LAB	lab(3.96, 5.68, -10.31)
CIE-LCH	lch(3.96, 11.77, 298.84°)
OKLab	oklab(16.7% 0.0156 -0.0337)
OKLCH	oklch(16.7% 0.037 294.8)
XYZ	xyz(0.5551, 0.4382, 1.2175)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100B1D #181D0B

analogous

#0B0F1D #100B1D #190B1D

triadic

#100B1D #1D100B #0B1D10

tetradic

#100B1D #1D0B0F #181D0B #0B1D19

square

#100B1D #1D0B0F #181D0B #0B1D19

split-complementary

#100B1D #1D190B #0F1D0B

monochromatic

#0C0816 #0C0816 #100B1D #281C49 #412D76

Accessibility & contrast

On white

19.31

#100B1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#100B1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100B1D

19.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100B1D	#FFFFFF	#000000	##FFFFFF
##100B1D	1.00	19.31	1.09	19.31
#FFFFFF	19.31	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#060E1E

Deuteranopia (green-blind)

#070E1D

Tritanopia (blue-blind)

#0D0E12

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #100b1d;
/* rgb */ color: rgb(16, 11, 29);
/* oklch */ color: oklch(16.7% 0.037 294.8);

Tailwind

colors: {
  custom: {
    50: '#4e4b58',
    500: '#100b1d',
    950: '#000000',
  },
}

SCSS

$custom: #100b1d;
$custom-light: #4e4b58;
$custom-dark: #000000;

JSON

{
  "hex": "#100b1d",
  "rgb": {
    "r": 16,
    "g": 11,
    "b": 29
  },
  "hsl": {
    "h": 256.667,
    "s": 45,
    "l": 7.843
  },
  "oklch": {
    "l": 0.16695,
    "c": 0.03715,
    "h": 294.8
  },
  "luminance": 0.00438
}

Semantic roles & 50–950 ramp

primary

#100B1D

secondary

#4B572D

accent

#D553B1

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010103

muted

#777778

Preview Lab

Preview with #100B1D

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

Preview Lab → · Contrast checker → · Palette generator →