#421B5E#421B5E

#421B5E is a dark, moderate violet. Relative luminance 0.028; OKLCH L 31.6% C 0.116 H 307.8°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#421B5E
RGB	rgb(66, 27, 94)
HSL	hsl(275, 55%, 24%)
HSV	hsv(275, 71%, 37%)
CMYK	cmyk(29.8%, 71.3%, 0%, 63.1%)
CIE-LAB	lab(19.01, 32.06, -32.42)
CIE-LCH	lch(19.01, 45.59, 314.68°)
OKLab	oklab(31.59% 0.0711 -0.0918)
OKLCH	oklch(31.59% 0.116 307.8)
XYZ	xyz(4.6587, 2.7503, 10.8730)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421B5E #375E1B

analogous

#201B5E #421B5E #5E1B58

triadic

#421B5E #5E421B #1B5E42

tetradic

#421B5E #5E201B #375E1B #1B585E

square

#421B5E #5E201B #375E1B #1B585E

split-complementary

#421B5E #585E1B #1B5E20

monochromatic

#110718 #210D2E #421B5E #63298E #8536BD

Accessibility & contrast

On white

13.55

#421B5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#421B5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421B5E

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421B5E	#FFFFFF	#000000	##FFFFFF
##421B5E	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D60

Deuteranopia (green-blind)

#0D2F5D

Tritanopia (blue-blind)

#3E293A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #421b5e;
/* rgb */ color: rgb(66, 27, 94);
/* oklch */ color: oklch(31.6% 0.116 307.8);

Tailwind

colors: {
  custom: {
    50: '#795a8c',
    500: '#421b5e',
    950: '#000000',
  },
}

SCSS

$custom: #421b5e;
$custom-light: #795a8c;
$custom-dark: #000000;

JSON

{
  "hex": "#421b5e",
  "rgb": {
    "r": 66,
    "g": 27,
    "b": 94
  },
  "hsl": {
    "h": 274.925,
    "s": 55.372,
    "l": 23.725
  },
  "oklch": {
    "l": 0.31588,
    "c": 0.11609,
    "h": 307.8
  },
  "luminance": 0.0275
}

Semantic roles & 50–950 ramp

primary

#421B5E

secondary

#649441

accent

#DF4988

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09040C

muted

#7B797D

Preview Lab

Preview with #421B5E

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

Preview Lab → · Contrast checker → · Palette generator →