#21052B#21052B

#21052B is a very dark, moderate purple. Relative luminance 0.006; OKLCH L 19.2% C 0.077 H 315.8°. Best body text is #FFFFFF at 18.73:1 contrast (WCAG AA passes).

Color values

HEX	#21052B
RGB	rgb(33, 5, 43)
HSL	hsl(284, 79%, 9%)
HSV	hsv(284, 88%, 17%)
CMYK	cmyk(23.3%, 88.4%, 0%, 83.1%)
CIE-LAB	lab(5.48, 21.12, -18.60)
CIE-LCH	lch(5.48, 28.14, 318.63°)
OKLab	oklab(19.23% 0.0555 -0.054)
OKLCH	oklch(19.23% 0.077 315.8)
XYZ	xyz(1.1174, 0.6063, 2.3432)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21052B #0F2B05

analogous

#0E052B #21052B #2B0522

triadic

#21052B #2B2105 #052B21

tetradic

#21052B #2B0E05 #0F2B05 #05222B

square

#21052B #2B0E05 #0F2B05 #05222B

split-complementary

#21052B #222B05 #052B0E

monochromatic

#15031B #15031B #21052B #4B0B62 #751299

Accessibility & contrast

On white

18.73

#21052B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#21052B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21052B

18.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21052B	#FFFFFF	#000000	##FFFFFF
##21052B	1.00	18.73	1.12	18.73
#FFFFFF	18.73	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00102C

Deuteranopia (green-blind)

#05132A

Tritanopia (blue-blind)

#200C17

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #21052b;
/* rgb */ color: rgb(33, 5, 43);
/* oklch */ color: oklch(19.2% 0.077 315.8);

Tailwind

colors: {
  custom: {
    50: '#5d4864',
    500: '#21052b',
    950: '#000000',
  },
}

SCSS

$custom: #21052b;
$custom-light: #5d4864;
$custom-dark: #000000;

JSON

{
  "hex": "#21052b",
  "rgb": {
    "r": 33,
    "g": 5,
    "b": 43
  },
  "hsl": {
    "h": 284.211,
    "s": 79.167,
    "l": 9.412
  },
  "oklch": {
    "l": 0.19233,
    "c": 0.07742,
    "h": 315.8
  },
  "luminance": 0.00606
}

Semantic roles & 50–950 ramp

primary

#21052B

secondary

#346D1F

accent

#F63266

background

#F5F4F6

surface

#E9E6EB

border

#C5C2C6

text

#040005

muted

#79777A

Preview Lab

Preview with #21052B

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

Preview Lab → · Contrast checker → · Palette generator →