#100318#100318

#100318 is a very dark, muted violet. Relative luminance 0.002; OKLCH L 14.0% C 0.051 H 311.9°. Best body text is #FFFFFF at 20.03:1 contrast (WCAG AA passes).

Color values

HEX	#100318
RGB	rgb(16, 3, 24)
HSL	hsl(277, 78%, 5%)
HSV	hsv(277, 88%, 9%)
CMYK	cmyk(33.3%, 87.5%, 0%, 90.6%)
CIE-LAB	lab(2.18, 7.45, -8.96)
CIE-LCH	lch(2.18, 11.65, 309.75°)
OKLab	oklab(14.04% 0.0341 -0.0379)
OKLCH	oklch(14.04% 0.051 311.9)
XYZ	xyz(0.4111, 0.2412, 0.8889)
Luminance	0.0024 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100318 #0B1803

analogous

#050318 #100318 #180315

triadic

#100318 #181003 #031810

tetradic

#100318 #180503 #0B1803 #031518

square

#100318 #180503 #0B1803 #031518

split-complementary

#100318 #151803 #031805

monochromatic

#12031B #12031B #12031B #340A4E #591185

Accessibility & contrast

On white

20.03

#100318 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#100318 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100318

20.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100318	#FFFFFF	#000000	##FFFFFF
##100318	1.00	20.03	1.05	20.03
#FFFFFF	20.03	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000719

Deuteranopia (green-blind)

#020817

Tritanopia (blue-blind)

#0F060B

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #100318;
/* rgb */ color: rgb(16, 3, 24);
/* oklch */ color: oklch(14.0% 0.051 311.9);

Tailwind

colors: {
  custom: {
    50: '#4e4854',
    500: '#100318',
    950: '#000000',
  },
}

SCSS

$custom: #100318;
$custom-light: #4e4854;
$custom-dark: #000000;

JSON

{
  "hex": "#100318",
  "rgb": {
    "r": 16,
    "g": 3,
    "b": 24
  },
  "hsl": {
    "h": 277.143,
    "s": 77.778,
    "l": 5.294
  },
  "oklch": {
    "l": 0.1404,
    "c": 0.05097,
    "h": 311.9
  },
  "luminance": 0.00241
}

Semantic roles & 50–950 ramp

primary

#100318

secondary

#345C1B

accent

#F4347D

background

#F4F4F4

surface

#E7E6E7

border

#C3C2C3

text

#010002

muted

#777778

Preview Lab

Preview with #100318

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

Preview Lab → · Contrast checker → · Palette generator →