#100B1B#100B1B

#100B1B is a very dark, muted violet. Relative luminance 0.004; OKLCH L 16.5% C 0.033 H 297.0°. Best body text is #FFFFFF at 19.34:1 contrast (WCAG AA passes).

Color values

HEX	#100B1B
RGB	rgb(16, 11, 27)
HSL	hsl(259, 42%, 7%)
HSV	hsv(259, 59%, 11%)
CMYK	cmyk(40.7%, 59.3%, 0%, 89.4%)
CIE-LAB	lab(3.87, 5.07, -8.86)
CIE-LCH	lch(3.87, 10.21, 299.77°)
OKLab	oklab(16.54% 0.0152 -0.0297)
OKLCH	oklch(16.54% 0.033 297)
XYZ	xyz(0.5311, 0.4286, 1.0914)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100B1B #161B0B

analogous

#0B0E1B #100B1B #180B1B

triadic

#100B1B #1B100B #0B1B10

tetradic

#100B1B #1B0B0E #161B0B #0B1B18

square

#100B1B #1B0B0E #161B0B #0B1B18

split-complementary

#100B1B #1B180B #0E1B0B

monochromatic

#0D0916 #0D0916 #100B1B #2A1D46 #442E72

Accessibility & contrast

On white

19.34

#100B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#100B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100B1B

19.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100B1B	#FFFFFF	#000000	##FFFFFF
##100B1B	1.00	19.34	1.09	19.34
#FFFFFF	19.34	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#070E1C

Deuteranopia (green-blind)

#080E1B

Tritanopia (blue-blind)

#0E0E11

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #100b1b;
/* rgb */ color: rgb(16, 11, 27);
/* oklch */ color: oklch(16.5% 0.033 297.0);

Tailwind

colors: {
  custom: {
    50: '#4e4c57',
    500: '#100b1b',
    950: '#000000',
  },
}

SCSS

$custom: #100b1b;
$custom-light: #4e4c57;
$custom-dark: #000000;

JSON

{
  "hex": "#100b1b",
  "rgb": {
    "r": 16,
    "g": 11,
    "b": 27
  },
  "hsl": {
    "h": 258.75,
    "s": 42.105,
    "l": 7.451
  },
  "oklch": {
    "l": 0.16544,
    "c": 0.03339,
    "h": 297
  },
  "luminance": 0.00429
}

Semantic roles & 50–950 ramp

primary

#100B1B

secondary

#48542E

accent

#D256AB

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010103

muted

#777778

Preview Lab

Preview with #100B1B

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

Preview Lab → · Contrast checker → · Palette generator →