#100B18#100B18

#100B18 is a very dark, muted violet. Relative luminance 0.004; OKLCH L 16.3% C 0.028 H 301.1°. Best body text is #FFFFFF at 19.39:1 contrast (WCAG AA passes).

Color values

HEX	#100B18
RGB	rgb(16, 11, 24)
HSL	hsl(263, 37%, 7%)
HSV	hsv(263, 54%, 9%)
CMYK	cmyk(33.3%, 54.2%, 0%, 90.6%)
CIE-LAB	lab(3.75, 4.23, -6.66)
CIE-LCH	lch(3.75, 7.89, 302.43°)
OKLab	oklab(16.33% 0.0143 -0.0237)
OKLCH	oklch(16.33% 0.028 301.1)
XYZ	xyz(0.4982, 0.4155, 0.9179)
Luminance	0.0042 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100B18 #13180B

analogous

#0B0D18 #100B18 #170B18

triadic

#100B18 #18100B #0B1810

tetradic

#100B18 #180B0D #13180B #0B1817

square

#100B18 #180B0D #13180B #0B1817

split-complementary

#100B18 #18170B #0D180B

monochromatic

#0E0A15 #0E0A15 #100B18 #2C1E42 #48316C

Accessibility & contrast

On white

19.39

#100B18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#100B18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100B18

19.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100B18	#FFFFFF	#000000	##FFFFFF
##100B18	1.00	19.39	1.08	19.39
#FFFFFF	19.39	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#080D19

Deuteranopia (green-blind)

#090D18

Tritanopia (blue-blind)

#0F0D10

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #100b18;
/* rgb */ color: rgb(16, 11, 24);
/* oklch */ color: oklch(16.3% 0.028 301.1);

Tailwind

colors: {
  custom: {
    50: '#4e4c54',
    500: '#100b18',
    950: '#000000',
  },
}

SCSS

$custom: #100b18;
$custom-light: #4e4c54;
$custom-dark: #000000;

JSON

{
  "hex": "#100b18",
  "rgb": {
    "r": 16,
    "g": 11,
    "b": 24
  },
  "hsl": {
    "h": 263.077,
    "s": 37.143,
    "l": 6.863
  },
  "oklch": {
    "l": 0.16332,
    "c": 0.02771,
    "h": 301.1
  },
  "luminance": 0.00415
}

Semantic roles & 50–950 ramp

primary

#100B18

secondary

#43502F

accent

#CD5BA1

background

#F4F4F4

surface

#E7E7E7

border

#C3C3C3

text

#010102

muted

#777778

Preview Lab

Preview with #100B18

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

Preview Lab → · Contrast checker → · Palette generator →