#451F66#451F66

#451F66 is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.2% C 0.121 H 305.3°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#451F66
RGB	rgb(69, 31, 102)
HSL	hsl(272, 53%, 26%)
HSV	hsv(272, 70%, 40%)
CMYK	cmyk(32.4%, 69.6%, 0%, 60%)
CIE-LAB	lab(20.84, 32.71, -34.72)
CIE-LCH	lch(20.84, 47.70, 313.30°)
OKLab	oklab(33.19% 0.0697 -0.0984)
OKLCH	oklch(33.19% 0.121 305.3)
XYZ	xyz(5.3420, 3.2045, 12.9049)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451F66 #40661F

analogous

#221F66 #451F66 #661F63

triadic

#451F66 #66451F #1F6645

tetradic

#451F66 #66221F #40661F #1F6366

square

#451F66 #66221F #40661F #1F6366

split-complementary

#451F66 #63661F #1F6622

monochromatic

#100717 #251137 #451F66 #652D95 #843CC4

Accessibility & contrast

On white

12.80

#451F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#451F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451F66

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451F66	#FFFFFF	#000000	##FFFFFF
##451F66	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003168

Deuteranopia (green-blind)

#0B3264

Tritanopia (blue-blind)

#3F2E3F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #451f66;
/* rgb */ color: rgb(69, 31, 102);
/* oklch */ color: oklch(33.2% 0.121 305.3);

Tailwind

colors: {
  custom: {
    50: '#7c5d92',
    500: '#451f66',
    950: '#000000',
  },
}

SCSS

$custom: #451f66;
$custom-light: #7c5d92;
$custom-dark: #000000;

JSON

{
  "hex": "#451f66",
  "rgb": {
    "r": 69,
    "g": 31,
    "b": 102
  },
  "hsl": {
    "h": 272.113,
    "s": 53.383,
    "l": 26.078
  },
  "oklch": {
    "l": 0.3319,
    "c": 0.12062,
    "h": 305.3
  },
  "luminance": 0.03204
}

Semantic roles & 50–950 ramp

primary

#451F66

secondary

#6D9A46

accent

#DD4B8F

background

#F7F5F9

surface

#EEE9F1

border

#C9C5CB

text

#0A040D

muted

#7C797E

Preview Lab

Preview with #451F66

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

Preview Lab → · Contrast checker → · Palette generator →