#451B6E#451B6E

#451B6E is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.3% C 0.136 H 302.6°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#451B6E
RGB	rgb(69, 27, 110)
HSL	hsl(270, 61%, 27%)
HSV	hsv(270, 75%, 43%)
CMYK	cmyk(37.3%, 75.5%, 0%, 56.9%)
CIE-LAB	lab(20.73, 36.93, -40.11)
CIE-LCH	lch(20.73, 54.52, 312.64°)
OKLab	oklab(33.31% 0.0732 -0.1143)
OKLCH	oklch(33.31% 0.136 302.6)
XYZ	xyz(5.6600, 3.1749, 15.0634)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B6E #446E1B

analogous

#1B1B6E #451B6E #6E1B6E

triadic

#451B6E #6E451B #1B6E45

tetradic

#451B6E #6E1B1B #446E1B #1B6E6E

square

#451B6E #6E1B1B #446E1B #1B6E6E

split-complementary

#451B6E #6E6E1B #1B6E1B

monochromatic

#0F0619 #260F3D #451B6E #64279F #8336CE

Accessibility & contrast

On white

12.84

#451B6E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#451B6E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B6E

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B6E	#FFFFFF	#000000	##FFFFFF
##451B6E	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003170

Deuteranopia (green-blind)

#00326C

Tritanopia (blue-blind)

#3D2F42

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #451b6e;
/* rgb */ color: rgb(69, 27, 110);
/* oklch */ color: oklch(33.3% 0.136 302.6);

Tailwind

colors: {
  custom: {
    50: '#7d5b98',
    500: '#451b6e',
    950: '#000000',
  },
}

SCSS

$custom: #451b6e;
$custom-light: #7d5b98;
$custom-dark: #000000;

JSON

{
  "hex": "#451b6e",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 110
  },
  "hsl": {
    "h": 270.361,
    "s": 60.584,
    "l": 26.863
  },
  "oklch": {
    "l": 0.33311,
    "c": 0.1357,
    "h": 302.6
  },
  "luminance": 0.03175
}

Semantic roles & 50–950 ramp

primary

#451B6E

secondary

#72A342

accent

#E44493

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #451B6E

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

Preview Lab → · Contrast checker → · Palette generator →