#100B1C#100B1C

#100B1C is a very dark, muted violet. Relative luminance 0.004; OKLCH L 16.6% C 0.035 H 295.9°. Best body text is #FFFFFF at 19.33:1 contrast (WCAG AA passes).

Color values

HEX	#100B1C
RGB	rgb(16, 11, 28)
HSL	hsl(258, 44%, 8%)
HSV	hsv(258, 61%, 11%)
CMYK	cmyk(42.9%, 60.7%, 0%, 89%)
CIE-LAB	lab(3.91, 5.37, -9.59)
CIE-LCH	lch(3.91, 10.99, 299.24°)
OKLab	oklab(16.62% 0.0154 -0.0317)
OKLCH	oklch(16.62% 0.035 295.9)
XYZ	xyz(0.5429, 0.4333, 1.1534)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100B1C #171C0B

analogous

#0B0E1C #100B1C #180B1C

triadic

#100B1C #1C100B #0B1C10

tetradic

#100B1C #1C0B0E #171C0B #0B1C18

square

#100B1C #1C0B0E #171C0B #0B1C18

split-complementary

#100B1C #1C180B #0E1C0B

monochromatic

#0D0916 #0D0916 #100B1C #291C48 #422E74

Accessibility & contrast

On white

19.33

#100B1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#100B1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100B1C

19.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100B1C	#FFFFFF	#000000	##FFFFFF
##100B1C	1.00	19.33	1.09	19.33
#FFFFFF	19.33	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#060E1D

Deuteranopia (green-blind)

#070E1C

Tritanopia (blue-blind)

#0D0E12

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #100b1c;
/* rgb */ color: rgb(16, 11, 28);
/* oklch */ color: oklch(16.6% 0.035 295.9);

Tailwind

colors: {
  custom: {
    50: '#4e4c58',
    500: '#100b1c',
    950: '#000000',
  },
}

SCSS

$custom: #100b1c;
$custom-light: #4e4c58;
$custom-dark: #000000;

JSON

{
  "hex": "#100b1c",
  "rgb": {
    "r": 16,
    "g": 11,
    "b": 28
  },
  "hsl": {
    "h": 257.647,
    "s": 43.59,
    "l": 7.647
  },
  "oklch": {
    "l": 0.16619,
    "c": 0.03528,
    "h": 295.9
  },
  "luminance": 0.00433
}

Semantic roles & 50–950 ramp

primary

#100B1C

secondary

#4A552D

accent

#D354AE

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010103

muted

#777778

Preview Lab

Preview with #100B1C

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

Preview Lab → · Contrast checker → · Palette generator →