#421D9C#421D9C

#421D9C is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.6% C 0.186 H 286.7°. Best body text is #FFFFFF at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#421D9C
RGB	rgb(66, 29, 156)
HSL	hsl(257, 69%, 36%)
HSV	hsv(257, 81%, 61%)
CMYK	cmyk(57.7%, 81.4%, 0%, 38.8%)
CIE-LAB	lab(25.07, 48.20, -61.95)
CIE-LCH	lch(25.07, 78.49, 307.88°)
OKLab	oklab(37.6% 0.0536 -0.1784)
OKLCH	oklch(37.6% 0.186 286.7)
XYZ	xyz(8.6851, 4.4368, 31.8448)
Luminance	0.0444 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421D9C #779C1D

analogous

#1D389C #421D9C #821D9C

triadic

#421D9C #9C421D #1D9C42

tetradic

#421D9C #9C1D38 #779C1D #1D9C82

square

#421D9C #9C1D38 #779C1D #1D9C82

split-complementary

#421D9C #9C821D #389C1D

monochromatic

#160A35 #2C1368 #421D9C #5827D0 #7D54DF

Accessibility & contrast

On white

11.13

#421D9C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#421D9C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421D9C

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421D9C	#FFFFFF	#000000	##FFFFFF
##421D9C	1.00	11.13	1.89	11.13
#FFFFFF	11.13	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E9F

Deuteranopia (green-blind)

#00389A

Tritanopia (blue-blind)

#16435D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #421d9c;
/* rgb */ color: rgb(66, 29, 156);
/* oklch */ color: oklch(37.6% 0.186 286.7);

Tailwind

colors: {
  custom: {
    50: '#825fba',
    500: '#421d9c',
    950: '#000000',
  },
}

SCSS

$custom: #421d9c;
$custom-light: #825fba;
$custom-dark: #000000;

JSON

{
  "hex": "#421d9c",
  "rgb": {
    "r": 66,
    "g": 29,
    "b": 156
  },
  "hsl": {
    "h": 257.48,
    "s": 68.649,
    "l": 36.275
  },
  "oklch": {
    "l": 0.37596,
    "c": 0.18628,
    "h": 286.7
  },
  "luminance": 0.04437
}

Semantic roles & 50–950 ramp

primary

#421D9C

secondary

#A2C252

accent

#EB3CB8

background

#F8F5FB

surface

#F0E9F6

border

#CBC5D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #421D9C

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

Preview Lab → · Contrast checker → · Palette generator →