#420F57#420F57

#420F57 is a dark, vivid purple. Relative luminance 0.022; OKLCH L 29.6% C 0.125 H 313.6°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#420F57
RGB	rgb(66, 15, 87)
HSL	hsl(283, 71%, 20%)
HSV	hsv(283, 83%, 34%)
CMYK	cmyk(24.1%, 82.8%, 0%, 65.9%)
CIE-LAB	lab(16.45, 36.04, -31.88)
CIE-LCH	lch(16.45, 48.12, 318.50°)
OKLab	oklab(29.58% 0.0859 -0.0901)
OKLCH	oklch(29.58% 0.125 313.6)
XYZ	xyz(4.1376, 2.1882, 9.2194)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420F57 #24570F

analogous

#1E0F57 #420F57 #570F48

triadic

#420F57 #57420F #0F5742

tetradic

#420F57 #571E0F #24570F #0F4857

square

#420F57 #571E0F #24570F #0F4857

split-complementary

#420F57 #48570F #0F571E

monochromatic

#14051A #1A0623 #420F57 #6A188B #9121BF

Accessibility & contrast

On white

14.61

#420F57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#420F57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420F57

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420F57	#FFFFFF	#000000	##FFFFFF
##420F57	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002659

Deuteranopia (green-blind)

#082A55

Tritanopia (blue-blind)

#402033

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #420f57;
/* rgb */ color: rgb(66, 15, 87);
/* oklch */ color: oklch(29.6% 0.125 313.6);

Tailwind

colors: {
  custom: {
    50: '#7a5487',
    500: '#420f57',
    950: '#000000',
  },
}

SCSS

$custom: #420f57;
$custom-light: #7a5487;
$custom-dark: #000000;

JSON

{
  "hex": "#420f57",
  "rgb": {
    "r": 66,
    "g": 15,
    "b": 87
  },
  "hsl": {
    "h": 282.5,
    "s": 70.588,
    "l": 20
  },
  "oklch": {
    "l": 0.29584,
    "c": 0.12452,
    "h": 313.6
  },
  "luminance": 0.02188
}

Semantic roles & 50–950 ramp

primary

#420F57

secondary

#4D9131

accent

#ED3A6F

background

#F7F5F8

surface

#EEE9EF

border

#C9C5CA

text

#09030B

muted

#7B787C

Preview Lab

Preview with #420F57

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

Preview Lab → · Contrast checker → · Palette generator →