#421C58#421C58

#421C58 is a dark, moderate violet. Relative luminance 0.027; OKLCH L 31.3% C 0.107 H 310.9°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#421C58
RGB	rgb(66, 28, 88)
HSL	hsl(278, 52%, 23%)
HSV	hsv(278, 68%, 35%)
CMYK	cmyk(25%, 68.2%, 0%, 65.5%)
CIE-LAB	lab(18.77, 29.97, -28.81)
CIE-LCH	lch(18.77, 41.57, 316.13°)
OKLab	oklab(31.27% 0.0702 -0.0812)
OKLCH	oklch(31.27% 0.107 310.9)
XYZ	xyz(4.4231, 2.6934, 9.5175)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#421C58 #32581C

analogous

#241C58 #421C58 #581C50

triadic

#421C58 #58421C #1C5842

tetradic

#421C58 #58241C #32581C #1C5058

square

#421C58 #58241C #32581C #1C5058

split-complementary

#421C58 #50581C #1C5824

monochromatic

#110717 #1F0D2A #421C58 #652B86 #883AB5

Accessibility & contrast

On white

13.65

#421C58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#421C58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #421C58

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##421C58	#FFFFFF	#000000	##FFFFFF
##421C58	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022C5A

Deuteranopia (green-blind)

#162E57

Tritanopia (blue-blind)

#3F2837

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #421c58;
/* rgb */ color: rgb(66, 28, 88);
/* oklch */ color: oklch(31.3% 0.107 310.9);

Tailwind

colors: {
  custom: {
    50: '#795b87',
    500: '#421c58',
    950: '#000000',
  },
}

SCSS

$custom: #421c58;
$custom-light: #795b87;
$custom-dark: #000000;

JSON

{
  "hex": "#421c58",
  "rgb": {
    "r": 66,
    "g": 28,
    "b": 88
  },
  "hsl": {
    "h": 278,
    "s": 51.724,
    "l": 22.745
  },
  "oklch": {
    "l": 0.31271,
    "c": 0.10734,
    "h": 310.9
  },
  "luminance": 0.02693
}

Semantic roles & 50–950 ramp

primary

#421C58

secondary

#5E8E42

accent

#DB4D81

background

#F7F5F8

surface

#EDE9EF

border

#C8C5CA

text

#09040B

muted

#7B797C

Preview Lab

Preview with #421C58

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

Preview Lab → · Contrast checker → · Palette generator →