#21012D#21012D

#21012D is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 18.7% C 0.088 H 315.1°. Best body text is #FFFFFF at 18.97:1 contrast (WCAG AA passes).

Color values

HEX	#21012D
RGB	rgb(33, 1, 45)
HSL	hsl(284, 96%, 9%)
HSV	hsv(284, 98%, 18%)
CMYK	cmyk(26.7%, 97.8%, 0%, 82.4%)
CIE-LAB	lab(4.83, 23.72, -21.14)
CIE-LCH	lch(4.83, 31.77, 318.29°)
OKLab	oklab(18.68% 0.0627 -0.0625)
OKLCH	oklch(18.68% 0.088 315.1)
XYZ	xyz(1.1116, 0.5345, 2.5267)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21012D #0D2D01

analogous

#0B012D #21012D #2D0123

triadic

#21012D #2D2101 #012D21

tetradic

#21012D #2D0B01 #0D2D01 #01232D

square

#21012D #2D0B01 #0D2D01 #01232D

split-complementary

#21012D #232D01 #012D0B

monochromatic

#16011E #16011E #21012D #4D0269 #7904A5

Accessibility & contrast

On white

18.97

#21012D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#21012D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21012D

18.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21012D	#FFFFFF	#000000	##FFFFFF
##21012D	1.00	18.97	1.11	18.97
#FFFFFF	18.97	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F2E

Deuteranopia (green-blind)

#00112C

Tritanopia (blue-blind)

#200A16

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #21012d;
/* rgb */ color: rgb(33, 1, 45);
/* oklch */ color: oklch(18.7% 0.088 315.1);

Tailwind

colors: {
  custom: {
    50: '#5e4666',
    500: '#21012d',
    950: '#000000',
  },
}

SCSS

$custom: #21012d;
$custom-light: #5e4666;
$custom-dark: #000000;

JSON

{
  "hex": "#21012d",
  "rgb": {
    "r": 33,
    "g": 1,
    "b": 45
  },
  "hsl": {
    "h": 283.636,
    "s": 95.652,
    "l": 9.02
  },
  "oklch": {
    "l": 0.18681,
    "c": 0.08849,
    "h": 315.1
  },
  "luminance": 0.00535
}

Semantic roles & 50–950 ramp

primary

#21012D

secondary

#307317

accent

#FF2963

background

#F5F3F6

surface

#E9E5EB

border

#C5C1C6

text

#040006

muted

#79777A

Preview Lab

Preview with #21012D

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

Preview Lab → · Contrast checker → · Palette generator →