#421D9D#421D9D

#421D9D is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.7% C 0.187 H 286.5°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#421D9D
RGB	rgb(66, 29, 157)
HSL	hsl(257, 69%, 36%)
HSV	hsv(257, 82%, 62%)
CMYK	cmyk(58%, 81.5%, 0%, 38.4%)
CIE-LAB	lab(25.17, 48.48, -62.39)
CIE-LCH	lch(25.17, 79.01, 307.85°)
OKLab	oklab(37.7% 0.0532 -0.1797)
OKLCH	oklch(37.7% 0.187 286.5)
XYZ	xyz(8.7701, 4.4708, 32.2926)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421D9D #789D1D

analogous

#1D389D #421D9D #821D9D

triadic

#421D9D #9D421D #1D9D42

tetradic

#421D9D #9D1D38 #789D1D #1D9D82

square

#421D9D #9D1D38 #789D1D #1D9D82

split-complementary

#421D9D #9D821D #389D1D

monochromatic

#170A36 #2C1369 #421D9D #5827D1 #7D55E0

Accessibility & contrast

On white

11.09

#421D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#421D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421D9D

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421D9D	#FFFFFF	#000000	##FFFFFF
##421D9D	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA0

Deuteranopia (green-blind)

#00389B

Tritanopia (blue-blind)

#14435E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #421d9d;
/* rgb */ color: rgb(66, 29, 157);
/* oklch */ color: oklch(37.7% 0.187 286.5);

Tailwind

colors: {
  custom: {
    50: '#825fbb',
    500: '#421d9d',
    950: '#000000',
  },
}

SCSS

$custom: #421d9d;
$custom-light: #825fbb;
$custom-dark: #000000;

JSON

{
  "hex": "#421d9d",
  "rgb": {
    "r": 66,
    "g": 29,
    "b": 157
  },
  "hsl": {
    "h": 257.344,
    "s": 68.817,
    "l": 36.471
  },
  "oklch": {
    "l": 0.377,
    "c": 0.18741,
    "h": 286.5
  },
  "luminance": 0.04471
}

Semantic roles & 50–950 ramp

primary

#421D9D

secondary

#A2C353

accent

#EC3CB9

background

#F8F5FB

surface

#F0EAF6

border

#CBC6D0

text

#0C0512

muted

#7D7981

Preview Lab

Preview with #421D9D

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

Preview Lab → · Contrast checker → · Palette generator →