#21104D#21104D

#21104D is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 24.2% C 0.105 H 288.8°. Best body text is #FFFFFF at 16.85:1 contrast (WCAG AA passes).

Color values

HEX	#21104D
RGB	rgb(33, 16, 77)
HSL	hsl(257, 66%, 18%)
HSV	hsv(257, 79%, 30%)
CMYK	cmyk(57.1%, 79.2%, 0%, 69.8%)
CIE-LAB	lab(10.77, 26.04, -34.50)
CIE-LCH	lch(10.77, 43.23, 307.04°)
OKLab	oklab(24.23% 0.0338 -0.0991)
OKLCH	oklch(24.23% 0.105 288.8)
XYZ	xyz(2.1517, 1.2296, 7.1437)
Luminance	0.0123 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#21104D #3C4D10

analogous

#101D4D #21104D #3F104D

triadic

#21104D #4D2110 #104D21

tetradic

#21104D #4D101D #3C4D10 #104D3F

square

#21104D #4D101D #3C4D10 #104D3F

split-complementary

#21104D #4D3F10 #1D4D10

monochromatic

#0B0519 #0B051A #21104D #371B80 #4C25B2

Accessibility & contrast

On white

16.85

#21104D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#21104D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #21104D

16.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##21104D	#FFFFFF	#000000	##FFFFFF
##21104D	1.00	16.85	1.25	16.85
#FFFFFF	16.85	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4F

Deuteranopia (green-blind)

#001B4C

Tritanopia (blue-blind)

#11202D

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #21104d;
/* rgb */ color: rgb(33, 16, 77);
/* oklch */ color: oklch(24.2% 0.105 288.8);

Tailwind

colors: {
  custom: {
    50: '#62507f',
    500: '#21104d',
    950: '#000000',
  },
}

SCSS

$custom: #21104d;
$custom-light: #62507f;
$custom-dark: #000000;

JSON

{
  "hex": "#21104d",
  "rgb": {
    "r": 33,
    "g": 16,
    "b": 77
  },
  "hsl": {
    "h": 256.721,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.24232,
    "c": 0.10473,
    "h": 288.8
  },
  "luminance": 0.0123
}

Semantic roles & 50–950 ramp

primary

#21104D

secondary

#6F8732

accent

#E93FB9

background

#F6F4F7

surface

#EBE7EE

border

#C6C3C9

text

#05020A

muted

#7A787C

Preview Lab

Preview with #21104D

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

Preview Lab → · Contrast checker → · Palette generator →