#420E57#420E57

#420E57 is a dark, vivid purple. Relative luminance 0.022; OKLCH L 29.5% C 0.126 H 313.8°. Best body text is #FFFFFF at 14.66:1 contrast (WCAG AA passes).

Color values

HEX	#420E57
RGB	rgb(66, 14, 87)
HSL	hsl(283, 72%, 20%)
HSV	hsv(283, 84%, 34%)
CMYK	cmyk(24.1%, 83.9%, 0%, 65.9%)
CIE-LAB	lab(16.31, 36.43, -32.10)
CIE-LCH	lch(16.31, 48.56, 318.61°)
OKLab	oklab(29.49% 0.0869 -0.0907)
OKLCH	oklch(29.49% 0.126 313.8)
XYZ	xyz(4.1238, 2.1606, 9.2148)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 4.07

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420E57 #23570E

analogous

#1E0E57 #420E57 #570E47

triadic

#420E57 #57420E #0E5742

tetradic

#420E57 #571E0E #23570E #0E4757

square

#420E57 #571E0E #23570E #0E4757

split-complementary

#420E57 #47570E #0E571E

monochromatic

#14041A #1A0622 #420E57 #6A168C #921FC0

Accessibility & contrast

On white

14.66

#420E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#420E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420E57

14.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420E57	#FFFFFF	#000000	##FFFFFF
##420E57	1.00	14.66	1.43	14.66
#FFFFFF	14.66	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002659

Deuteranopia (green-blind)

#072A55

Tritanopia (blue-blind)

#401F32

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #420e57;
/* rgb */ color: rgb(66, 14, 87);
/* oklch */ color: oklch(29.5% 0.126 313.8);

Tailwind

colors: {
  custom: {
    50: '#7a5487',
    500: '#420e57',
    950: '#000000',
  },
}

SCSS

$custom: #420e57;
$custom-light: #7a5487;
$custom-dark: #000000;

JSON

{
  "hex": "#420e57",
  "rgb": {
    "r": 66,
    "g": 14,
    "b": 87
  },
  "hsl": {
    "h": 282.74,
    "s": 72.277,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29488,
    "c": 0.12565,
    "h": 313.8
  },
  "luminance": 0.0216
}

Semantic roles & 50–950 ramp

primary

#420E57

secondary

#4C9130

accent

#EF396D

background

#F7F5F8

surface

#EEE9EF

border

#C9C5CA

text

#09030B

muted

#7B787C

Preview Lab

Preview with #420E57

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

Preview Lab → · Contrast checker → · Palette generator →