#100B1E#100B1E

#100B1E is a very dark, muted violet. Relative luminance 0.004; OKLCH L 16.8% C 0.039 H 293.9°. Best body text is #FFFFFF at 19.29:1 contrast (WCAG AA passes).

Color values

HEX	#100B1E
RGB	rgb(16, 11, 30)
HSL	hsl(256, 46%, 8%)
HSV	hsv(256, 63%, 12%)
CMYK	cmyk(46.7%, 63.3%, 0%, 88.2%)
CIE-LAB	lab(4.00, 6.00, -11.03)
CIE-LCH	lch(4.00, 12.55, 298.52°)
OKLab	oklab(16.77% 0.0158 -0.0357)
OKLCH	oklch(16.77% 0.039 293.9)
XYZ	xyz(0.5676, 0.4432, 1.2837)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100B1E #191E0B

analogous

#0B0F1E #100B1E #190B1E

triadic

#100B1E #1E100B #0B1E10

tetradic

#100B1E #1E0B0F #191E0B #0B1E19

square

#100B1E #1E0B0F #191E0B #0B1E19

split-complementary

#100B1E #1E190B #0F1E0B

monochromatic

#0C0816 #0C0816 #100B1E #281B4B #402C78

Accessibility & contrast

On white

19.29

#100B1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#100B1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100B1E

19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100B1E	#FFFFFF	#000000	##FFFFFF
##100B1E	1.00	19.29	1.09	19.29
#FFFFFF	19.29	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#050E1F

Deuteranopia (green-blind)

#060E1E

Tritanopia (blue-blind)

#0D0F13

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #100b1e;
/* rgb */ color: rgb(16, 11, 30);
/* oklch */ color: oklch(16.8% 0.039 293.9);

Tailwind

colors: {
  custom: {
    50: '#4e4b59',
    500: '#100b1e',
    950: '#000000',
  },
}

SCSS

$custom: #100b1e;
$custom-light: #4e4b59;
$custom-dark: #000000;

JSON

{
  "hex": "#100b1e",
  "rgb": {
    "r": 16,
    "g": 11,
    "b": 30
  },
  "hsl": {
    "h": 255.789,
    "s": 46.341,
    "l": 8.039
  },
  "oklch": {
    "l": 0.16773,
    "c": 0.03901,
    "h": 293.9
  },
  "luminance": 0.00443
}

Semantic roles & 50–950 ramp

primary

#100B1E

secondary

#4D582D

accent

#D652B3

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010103

muted

#777778

Preview Lab

Preview with #100B1E

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

Preview Lab → · Contrast checker → · Palette generator →