#451B63#451B63

#451B63 is a dark, vivid violet. Relative luminance 0.029; OKLCH L 32.4% C 0.123 H 307.6°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#451B63
RGB	rgb(69, 27, 99)
HSL	hsl(275, 57%, 25%)
HSV	hsv(275, 73%, 39%)
CMYK	cmyk(30.3%, 72.7%, 0%, 61.2%)
CIE-LAB	lab(19.84, 34.07, -34.36)
CIE-LCH	lch(19.84, 48.39, 314.75°)
OKLab	oklab(32.4% 0.0751 -0.0974)
OKLCH	oklch(32.4% 0.123 307.6)
XYZ	xyz(5.0978, 2.9500, 12.1028)
Luminance	0.0295 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B63 #39631B

analogous

#211B63 #451B63 #631B5D

triadic

#451B63 #63451B #1B6345

tetradic

#451B63 #63211B #39631B #1B5D63

square

#451B63 #63211B #39631B #1B5D63

split-complementary

#451B63 #5D631B #1B6321

monochromatic

#110718 #230E33 #451B63 #672893 #8835C3

Accessibility & contrast

On white

13.21

#451B63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#451B63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B63

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B63	#FFFFFF	#000000	##FFFFFF
##451B63	1.00	13.21	1.59	13.21
#FFFFFF	13.21	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E65

Deuteranopia (green-blind)

#093061

Tritanopia (blue-blind)

#402B3C

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #451b63;
/* rgb */ color: rgb(69, 27, 99);
/* oklch */ color: oklch(32.4% 0.123 307.6);

Tailwind

colors: {
  custom: {
    50: '#7c5b90',
    500: '#451b63',
    950: '#000000',
  },
}

SCSS

$custom: #451b63;
$custom-light: #7c5b90;
$custom-dark: #000000;

JSON

{
  "hex": "#451b63",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 99
  },
  "hsl": {
    "h": 275,
    "s": 57.143,
    "l": 24.706
  },
  "oklch": {
    "l": 0.32398,
    "c": 0.12294,
    "h": 307.6
  },
  "luminance": 0.0295
}

Semantic roles & 50–950 ramp

primary

#451B63

secondary

#669841

accent

#E04787

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#0A040C

muted

#7C797D

Preview Lab

Preview with #451B63

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

Preview Lab → · Contrast checker → · Palette generator →