#100B15#100B15

#100B15 is a very dark, muted violet. Relative luminance 0.004; OKLCH L 16.1% C 0.022 H 306.9°. Best body text is #FFFFFF at 19.43:1 contrast (WCAG AA passes).

Color values

HEX	#100B15
RGB	rgb(16, 11, 21)
HSL	hsl(270, 31%, 6%)
HSV	hsv(270, 48%, 8%)
CMYK	cmyk(23.8%, 47.6%, 0%, 91.8%)
CIE-LAB	lab(3.65, 3.49, -4.62)
CIE-LCH	lch(3.65, 5.79, 307.03°)
OKLab	oklab(16.14% 0.0133 -0.0176)
OKLCH	oklch(16.14% 0.022 306.9)
XYZ	xyz(0.4687, 0.4036, 0.7625)
Luminance	0.0040 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100B15 #10150B

analogous

#0B0B15 #100B15 #150B15

triadic

#100B15 #15100B #0B1510

tetradic

#100B15 #150B0B #10150B #0B1515

square

#100B15 #150B0B #10150B #0B1515

split-complementary

#100B15 #15150B #0B150B

monochromatic

#0F0B14 #0F0B14 #100B15 #2F203D #4D3565

Accessibility & contrast

On white

19.43

#100B15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#100B15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100B15

19.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100B15	#FFFFFF	#000000	##FFFFFF
##100B15	1.00	19.43	1.08	19.43
#FFFFFF	19.43	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#090D15

Deuteranopia (green-blind)

#0A0D15

Tritanopia (blue-blind)

#0F0C0F

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #100b15;
/* rgb */ color: rgb(16, 11, 21);
/* oklch */ color: oklch(16.1% 0.022 306.9);

Tailwind

colors: {
  custom: {
    50: '#4e4c52',
    500: '#100b15',
    950: '#000000',
  },
}

SCSS

$custom: #100b15;
$custom-light: #4e4c52;
$custom-dark: #000000;

JSON

{
  "hex": "#100b15",
  "rgb": {
    "r": 16,
    "g": 11,
    "b": 21
  },
  "hsl": {
    "h": 270,
    "s": 31.25,
    "l": 6.275
  },
  "oklch": {
    "l": 0.16138,
    "c": 0.02205,
    "h": 306.9
  },
  "luminance": 0.00404
}

Semantic roles & 50–950 ramp

primary

#100B15

secondary

#3E4B30

accent

#C76094

background

#F4F4F4

surface

#E7E7E7

border

#C3C3C3

text

#010102

muted

#777778

Preview Lab

Preview with #100B15

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

Preview Lab → · Contrast checker → · Palette generator →