#21011E#21011E

#21011E is a very dark, moderate purple. Relative luminance 0.004; OKLCH L 17.4% C 0.074 H 332.1°. Best body text is #FFFFFF at 19.31:1 contrast (WCAG AA passes).

Color values

HEX	#21011E
RGB	rgb(33, 1, 30)
HSL	hsl(306, 94%, 7%)
HSV	hsv(306, 97%, 13%)
CMYK	cmyk(0%, 97%, 9.1%, 87.1%)
CIE-LAB	lab(3.96, 18.63, -10.90)
CIE-LCH	lch(3.96, 21.59, 329.68°)
OKLab	oklab(17.37% 0.0656 -0.0347)
OKLCH	oklch(17.37% 0.074 332.1)
XYZ	xyz(0.8724, 0.4389, 1.2668)
Luminance	0.0044 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21011E #012104

analogous

#140121 #21011E #21010E

triadic

#21011E #1E2101 #011E21

tetradic

#21011E #211401 #012104 #010E21

square

#21011E #211401 #012104 #010E21

split-complementary

#21011E #0E2101 #012114

monochromatic

#1E011B #1E011B #21011E #5C0354 #98058A

Accessibility & contrast

On white

19.31

#21011E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#21011E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21011E

19.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21011E	#FFFFFF	#000000	##FFFFFF
##21011E	1.00	19.31	1.09	19.31
#FFFFFF	19.31	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000B1F

Deuteranopia (green-blind)

#0A101D

Tritanopia (blue-blind)

#23030E

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #21011e;
/* rgb */ color: rgb(33, 1, 30);
/* oklch */ color: oklch(17.4% 0.074 332.1);

Tailwind

colors: {
  custom: {
    50: '#5c4659',
    500: '#21011e',
    950: '#000000',
  },
}

SCSS

$custom: #21011e;
$custom-light: #5c4659;
$custom-dark: #000000;

JSON

{
  "hex": "#21011e",
  "rgb": {
    "r": 33,
    "g": 1,
    "b": 30
  },
  "hsl": {
    "h": 305.625,
    "s": 94.118,
    "l": 6.667
  },
  "oklch": {
    "l": 0.17368,
    "c": 0.07422,
    "h": 332.1
  },
  "luminance": 0.00439
}

Semantic roles & 50–950 ramp

primary

#21011E

secondary

#15681D

accent

#FF3D29

background

#F5F3F5

surface

#E9E5E9

border

#C5C1C5

text

#040003

muted

#797778

Preview Lab

Preview with #21011E

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

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