#100018#100018

#100018 is a very dark, moderate purple. Relative luminance 0.002; OKLCH L 13.0% C 0.064 H 314.9°. Best body text is #FFFFFF at 20.29:1 contrast (WCAG AA passes).

Color values

HEX	#100018
RGB	rgb(16, 0, 24)
HSL	hsl(280, 100%, 5%)
HSV	hsv(280, 100%, 9%)
CMYK	cmyk(33.3%, 100%, 0%, 90.6%)
CIE-LAB	lab(1.59, 8.65, -9.82)
CIE-LCH	lch(1.59, 13.08, 311.38°)
OKLab	oklab(12.95% 0.0451 -0.0452)
OKLCH	oklch(12.95% 0.064 314.9)
XYZ	xyz(0.3785, 0.1761, 0.8780)
Luminance	0.0018 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 11.89

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100018 #081800

analogous

#040018 #100018 #180014

triadic

#100018 #181000 #001810

tetradic

#100018 #180400 #081800 #001418

square

#100018 #180400 #081800 #001418

split-complementary

#100018 #141800 #001804

monochromatic

#14001F #14001F #14001F #390055 #620092

Accessibility & contrast

On white

20.29

#100018 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#100018 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100018

20.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100018	#FFFFFF	#000000	##FFFFFF
##100018	1.00	20.29	1.04	20.29
#FFFFFF	20.29	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000519

Deuteranopia (green-blind)

#000617

Tritanopia (blue-blind)

#0F0309

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #100018;
/* rgb */ color: rgb(16, 0, 24);
/* oklch */ color: oklch(13.0% 0.064 314.9);

Tailwind

colors: {
  custom: {
    50: '#4e4754',
    500: '#100018',
    950: '#000000',
  },
}

SCSS

$custom: #100018;
$custom-light: #4e4754;
$custom-dark: #000000;

JSON

{
  "hex": "#100018",
  "rgb": {
    "r": 16,
    "g": 0,
    "b": 24
  },
  "hsl": {
    "h": 280,
    "s": 100,
    "l": 4.706
  },
  "oklch": {
    "l": 0.1295,
    "c": 0.06382,
    "h": 314.9
  },
  "luminance": 0.00176
}

Semantic roles & 50–950 ramp

primary

#100018

secondary

#2C6211

accent

#FF2970

background

#F4F3F4

surface

#E7E5E7

border

#C3C1C3

text

#010002

muted

#777778

Preview Lab

Preview with #100018

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

Preview Lab → · Contrast checker → · Palette generator →