#21012A#21012A

#21012A is a very dark, moderate purple. Relative luminance 0.005; OKLCH L 18.4% C 0.086 H 318.1°. Best body text is #FFFFFF at 19.05:1 contrast (WCAG AA passes).

Color values

HEX	#21012A
RGB	rgb(33, 1, 42)
HSL	hsl(287, 95%, 8%)
HSV	hsv(287, 98%, 16%)
CMYK	cmyk(21.4%, 97.6%, 0%, 83.5%)
CIE-LAB	lab(4.63, 22.65, -19.18)
CIE-LCH	lch(4.63, 29.68, 319.74°)
OKLab	oklab(18.39% 0.0636 -0.0572)
OKLCH	oklch(18.39% 0.086 318.1)
XYZ	xyz(1.0559, 0.5123, 2.2333)
Luminance	0.0051 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21012A #0A2A01

analogous

#0C012A #21012A #2A011E

triadic

#21012A #2A2101 #012A21

tetradic

#21012A #2A0C01 #0A2A01 #011E2A

square

#21012A #2A0C01 #0A2A01 #011E2A

split-complementary

#21012A #1E2A01 #012A0C

monochromatic

#17011E #17011E #21012A #500266 #7F04A2

Accessibility & contrast

On white

19.05

#21012A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#21012A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21012A

19.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21012A	#FFFFFF	#000000	##FFFFFF
##21012A	1.00	19.05	1.10	19.05
#FFFFFF	19.05	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E2B

Deuteranopia (green-blind)

#021129

Tritanopia (blue-blind)

#210815

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #21012a;
/* rgb */ color: rgb(33, 1, 42);
/* oklch */ color: oklch(18.4% 0.086 318.1);

Tailwind

colors: {
  custom: {
    50: '#5d4664',
    500: '#21012a',
    950: '#000000',
  },
}

SCSS

$custom: #21012a;
$custom-light: #5d4664;
$custom-dark: #000000;

JSON

{
  "hex": "#21012a",
  "rgb": {
    "r": 33,
    "g": 1,
    "b": 42
  },
  "hsl": {
    "h": 286.829,
    "s": 95.349,
    "l": 8.431
  },
  "oklch": {
    "l": 0.18393,
    "c": 0.08554,
    "h": 318.1
  },
  "luminance": 0.00512
}

Semantic roles & 50–950 ramp

primary

#21012A

secondary

#2A7016

accent

#FF2958

background

#F5F3F5

surface

#E9E5EA

border

#C5C1C6

text

#040005

muted

#797779

Preview Lab

Preview with #21012A

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

Preview Lab → · Contrast checker → · Palette generator →