#100221#100221

#100221 is a very dark, moderate violet. Relative luminance 0.003; OKLCH L 14.7% C 0.067 H 301.4°. Best body text is #FFFFFF at 19.95:1 contrast (WCAG AA passes).

Color values

HEX	#100221
RGB	rgb(16, 2, 33)
HSL	hsl(267, 89%, 7%)
HSV	hsv(267, 94%, 13%)
CMYK	cmyk(51.5%, 93.9%, 0%, 87.1%)
CIE-LAB	lab(2.38, 10.63, -15.85)
CIE-LCH	lch(2.38, 19.09, 303.84°)
OKLab	oklab(14.65% 0.0348 -0.0569)
OKLCH	oklch(14.65% 0.067 301.4)
XYZ	xyz(0.5098, 0.2634, 1.4625)
Luminance	0.0026 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100221 #132102

analogous

#020421 #100221 #200221

triadic

#100221 #211002 #022110

tetradic

#100221 #210204 #132102 #022120

square

#100221 #210204 #132102 #022120

split-complementary

#100221 #212002 #042102

monochromatic

#0E021D #0E021D #100221 #2C055B #480994

Accessibility & contrast

On white

19.95

#100221 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#100221 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100221

19.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100221	#FFFFFF	#000000	##FFFFFF
##100221	1.00	19.95	1.05	19.95
#FFFFFF	19.95	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	19.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000822

Deuteranopia (green-blind)

#000920

Tritanopia (blue-blind)

#0C0810

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #100221;
/* rgb */ color: rgb(16, 2, 33);
/* oklch */ color: oklch(14.7% 0.067 301.4);

Tailwind

colors: {
  custom: {
    50: '#4e475c',
    500: '#100221',
    950: '#000000',
  },
}

SCSS

$custom: #100221;
$custom-light: #4e475c;
$custom-dark: #000000;

JSON

{
  "hex": "#100221",
  "rgb": {
    "r": 16,
    "g": 2,
    "b": 33
  },
  "hsl": {
    "h": 267.097,
    "s": 88.571,
    "l": 6.863
  },
  "oklch": {
    "l": 0.14654,
    "c": 0.06669,
    "h": 301.4
  },
  "luminance": 0.00263
}

Semantic roles & 50–950 ramp

primary

#100221

secondary

#436718

accent

#FF299E

background

#F4F4F5

surface

#E7E6E9

border

#C3C2C5

text

#010004

muted

#777779

Preview Lab

Preview with #100221

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

Preview Lab → · Contrast checker → · Palette generator →