#421C55#421C55

#421C55 is a dark, moderate purple. Relative luminance 0.026; OKLCH L 31.1% C 0.104 H 312.7°. Best body text is #FFFFFF at 13.73:1 contrast (WCAG AA passes).

Color values

HEX	#421C55
RGB	rgb(66, 28, 85)
HSL	hsl(280, 50%, 22%)
HSV	hsv(280, 67%, 33%)
CMYK	cmyk(22.4%, 67.1%, 0%, 66.7%)
CIE-LAB	lab(18.56, 29.21, -27.13)
CIE-LCH	lch(18.56, 39.87, 317.11°)
OKLab	oklab(31.05% 0.0703 -0.0763)
OKLCH	oklch(31.05% 0.104 312.7)
XYZ	xyz(4.3014, 2.6448, 8.8765)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C55 #2F551C

analogous

#261C55 #421C55 #551C4C

triadic

#421C55 #55421C #1C5542

tetradic

#421C55 #55261C #2F551C #1C4C55

square

#421C55 #55261C #2F551C #1C4C55

split-complementary

#421C55 #4C551C #1C5526

monochromatic

#120817 #1E0D27 #421C55 #662B83 #893AB1

Accessibility & contrast

On white

13.73

#421C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#421C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C55

13.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C55	#FFFFFF	#000000	##FFFFFF
##421C55	1.00	13.73	1.53	13.73
#FFFFFF	13.73	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#062B57

Deuteranopia (green-blind)

#182E54

Tritanopia (blue-blind)

#402735

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #421c55;
/* rgb */ color: rgb(66, 28, 85);
/* oklch */ color: oklch(31.1% 0.104 312.7);

Tailwind

colors: {
  custom: {
    50: '#785b85',
    500: '#421c55',
    950: '#000000',
  },
}

SCSS

$custom: #421c55;
$custom-light: #785b85;
$custom-dark: #000000;

JSON

{
  "hex": "#421c55",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 85
  },
  "hsl": {
    "h": 280,
    "s": 50.442,
    "l": 22.157
  },
  "oklch": {
    "l": 0.31051,
    "c": 0.10373,
    "h": 312.7
  },
  "luminance": 0.02645
}

Semantic roles & 50–950 ramp

primary

#421C55

secondary

#5A8B42

accent

#DA4E7D

background

#F7F5F8

surface

#EDE9EF

border

#C8C5CA

text

#09040B

muted

#7B797C

Preview Lab

Preview with #421C55

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

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