#100721#100721

#100721 is a very dark, muted violet. Relative luminance 0.004; OKLCH L 16.0% C 0.053 H 296.2°. Best body text is #FFFFFF at 19.55:1 contrast (WCAG AA passes).

Color values

HEX	#100721
RGB	rgb(16, 7, 33)
HSL	hsl(261, 65%, 8%)
HSV	hsv(261, 79%, 13%)
CMYK	cmyk(51.5%, 78.8%, 0%, 87.1%)
CIE-LAB	lab(3.36, 8.63, -14.36)
CIE-LCH	lch(3.36, 16.75, 301.00°)
OKLab	oklab(16.05% 0.0235 -0.0476)
OKLCH	oklch(16.05% 0.053 296.2)
XYZ	xyz(0.5641, 0.3719, 1.4806)
Luminance	0.0037 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.94

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100721 #182107

analogous

#070B21 #100721 #1D0721

triadic

#100721 #211007 #072110

tetradic

#100721 #21070B #182107 #07211D

square

#100721 #21070B #182107 #07211D

split-complementary

#100721 #211D07 #0B2107

monochromatic

#0C0519 #0C0519 #100721 #281253 #411C86

Accessibility & contrast

On white

19.55

#100721 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#100721 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100721

19.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100721	#FFFFFF	#000000	##FFFFFF
##100721	1.00	19.55	1.07	19.55
#FFFFFF	19.55	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000C22

Deuteranopia (green-blind)

#010C20

Tritanopia (blue-blind)

#0C0C12

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #100721;
/* rgb */ color: rgb(16, 7, 33);
/* oklch */ color: oklch(16.0% 0.053 296.2);

Tailwind

colors: {
  custom: {
    50: '#4e4a5c',
    500: '#100721',
    950: '#000000',
  },
}

SCSS

$custom: #100721;
$custom-light: #4e4a5c;
$custom-dark: #000000;

JSON

{
  "hex": "#100721",
  "rgb": {
    "r": 16,
    "g": 7,
    "b": 33
  },
  "hsl": {
    "h": 260.769,
    "s": 65,
    "l": 7.843
  },
  "oklch": {
    "l": 0.16049,
    "c": 0.05311,
    "h": 296.2
  },
  "luminance": 0.00372
}

Semantic roles & 50–950 ramp

primary

#100721

secondary

#4B6024

accent

#E840AE

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010104

muted

#777779

Preview Lab

Preview with #100721

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

Preview Lab → · Contrast checker → · Palette generator →