#451B5D#451B5D

#451B5D is a dark, moderate violet. Relative luminance 0.028; OKLCH L 31.9% C 0.116 H 310.7°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#451B5D
RGB	rgb(69, 27, 93)
HSL	hsl(278, 55%, 24%)
HSV	hsv(278, 71%, 36%)
CMYK	cmyk(25.8%, 71%, 0%, 63.5%)
CIE-LAB	lab(19.39, 32.55, -31.13)
CIE-LCH	lch(19.39, 45.04, 316.28°)
OKLab	oklab(31.93% 0.0757 -0.0879)
OKLCH	oklch(31.93% 0.116 310.7)
XYZ	xyz(4.8216, 2.8395, 10.6479)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Plum Purple

#4E0550

ΔE00 5.40

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B5D #335D1B

analogous

#241B5D #451B5D #5D1B54

triadic

#451B5D #5D451B #1B5D45

tetradic

#451B5D #5D241B #335D1B #1B545D

square

#451B5D #5D241B #335D1B #1B545D

split-complementary

#451B5D #545D1B #1B5D24

monochromatic

#120718 #220D2E #451B5D #68298C #8B37BC

Accessibility & contrast

On white

13.39

#451B5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#451B5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B5D

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B5D	#FFFFFF	#000000	##FFFFFF
##451B5D	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5F

Deuteranopia (green-blind)

#13305C

Tritanopia (blue-blind)

#422839

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #451b5d;
/* rgb */ color: rgb(69, 27, 93);
/* oklch */ color: oklch(31.9% 0.116 310.7);

Tailwind

colors: {
  custom: {
    50: '#7b5b8b',
    500: '#451b5d',
    950: '#000000',
  },
}

SCSS

$custom: #451b5d;
$custom-light: #7b5b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#451b5d",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 93
  },
  "hsl": {
    "h": 278.182,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.31929,
    "c": 0.11596,
    "h": 310.7
  },
  "luminance": 0.02839
}

Semantic roles & 50–950 ramp

primary

#451B5D

secondary

#5F9341

accent

#DE4980

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#0A040C

muted

#7C797D

Preview Lab

Preview with #451B5D

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

Preview Lab → · Contrast checker → · Palette generator →