#420F66#420F66

#420F66 is a dark, vivid violet. Relative luminance 0.025; OKLCH L 30.9% C 0.140 H 305.9°. Best body text is #FFFFFF at 14.08:1 contrast (WCAG AA passes).

Color values

HEX	#420F66
RGB	rgb(66, 15, 102)
HSL	hsl(275, 74%, 23%)
HSV	hsv(275, 85%, 40%)
CMYK	cmyk(35.3%, 85.3%, 0%, 60%)
CIE-LAB	lab(17.73, 39.61, -39.79)
CIE-LCH	lch(17.73, 56.14, 314.87°)
OKLab	oklab(30.89% 0.0822 -0.1133)
OKLCH	oklch(30.89% 0.14 305.9)
XYZ	xyz(4.8153, 2.4592, 12.7888)
Luminance	0.0246 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#420F66 #33660F

analogous

#160F66 #420F66 #660F5E

triadic

#420F66 #66420F #0F6642

tetradic

#420F66 #66160F #33660F #0F5E66

square

#420F66 #66160F #33660F #0F5E66

split-complementary

#420F66 #5E660F #0F6616

monochromatic

#11041B #1F0731 #420F66 #65179B #871FD1

Accessibility & contrast

On white

14.08

#420F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#420F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #420F66

14.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##420F66	#FFFFFF	#000000	##FFFFFF
##420F66	1.00	14.08	1.49	14.08
#FFFFFF	14.08	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A68

Deuteranopia (green-blind)

#002C64

Tritanopia (blue-blind)

#3B263B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #420f66;
/* rgb */ color: rgb(66, 15, 102);
/* oklch */ color: oklch(30.9% 0.140 305.9);

Tailwind

colors: {
  custom: {
    50: '#7b5592',
    500: '#420f66',
    950: '#000000',
  },
}

SCSS

$custom: #420f66;
$custom-light: #7b5592;
$custom-dark: #000000;

JSON

{
  "hex": "#420f66",
  "rgb": {
    "r": 66,
    "g": 15,
    "b": 102
  },
  "hsl": {
    "h": 275.172,
    "s": 74.359,
    "l": 22.941
  },
  "oklch": {
    "l": 0.3089,
    "c": 0.13997,
    "h": 305.9
  },
  "luminance": 0.02459
}

Semantic roles & 50–950 ramp

primary

#420F66

secondary

#5F9F32

accent

#F13784

background

#F7F5F9

surface

#EEE9F1

border

#C9C5CB

text

#0A030D

muted

#7C787E

Preview Lab

Preview with #420F66

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

Preview Lab → · Contrast checker → · Palette generator →