#451B53#451B53

#451B53 is a dark, moderate purple. Relative luminance 0.027; OKLCH L 31.2% C 0.104 H 316.8°. Best body text is #FFFFFF at 13.68:1 contrast (WCAG AA passes).

Color values

HEX	#451B53
RGB	rgb(69, 27, 83)
HSL	hsl(285, 51%, 22%)
HSV	hsv(285, 67%, 33%)
CMYK	cmyk(16.9%, 67.5%, 0%, 67.5%)
CIE-LAB	lab(18.69, 30.12, -25.56)
CIE-LCH	lch(18.69, 39.50, 319.68°)
OKLab	oklab(31.2% 0.0761 -0.0715)
OKLCH	oklch(31.2% 0.104 316.8)
XYZ	xyz(4.4073, 2.6738, 8.4659)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B53 #29531B

analogous

#291B53 #451B53 #531B45

triadic

#451B53 #53451B #1B5345

tetradic

#451B53 #53291B #29531B #1B4553

square

#451B53 #53291B #29531B #1B4553

split-complementary

#451B53 #45531B #1B5329

monochromatic

#130817 #1F0C25 #451B53 #6B2A81 #9239AF

Accessibility & contrast

On white

13.68

#451B53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#451B53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B53

13.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B53	#FFFFFF	#000000	##FFFFFF
##451B53	1.00	13.68	1.53	13.68
#FFFFFF	13.68	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#092B55

Deuteranopia (green-blind)

#1C2F52

Tritanopia (blue-blind)

#442534

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #451b53;
/* rgb */ color: rgb(69, 27, 83);
/* oklch */ color: oklch(31.2% 0.104 316.8);

Tailwind

colors: {
  custom: {
    50: '#7b5a84',
    500: '#451b53',
    950: '#000000',
  },
}

SCSS

$custom: #451b53;
$custom-light: #7b5a84;
$custom-dark: #000000;

JSON

{
  "hex": "#451b53",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 83
  },
  "hsl": {
    "h": 285,
    "s": 50.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.31196,
    "c": 0.10443,
    "h": 316.8
  },
  "luminance": 0.02674
}

Semantic roles & 50–950 ramp

primary

#451B53

secondary

#538941

accent

#DA4D71

background

#F7F5F8

surface

#EEE9EF

border

#C9C5CA

text

#09040B

muted

#7B797C

Preview Lab

Preview with #451B53

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

Preview Lab → · Contrast checker → · Palette generator →