#451F81#451F81

#451F81 is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.5% C 0.153 H 295.1°. Best body text is #FFFFFF at 11.89:1 contrast (WCAG AA passes).

Color values

HEX	#451F81
RGB	rgb(69, 31, 129)
HSL	hsl(263, 61%, 31%)
HSV	hsv(263, 76%, 51%)
CMYK	cmyk(46.5%, 76%, 0%, 49.4%)
CIE-LAB	lab(23.10, 40.10, -48.39)
CIE-LCH	lch(23.10, 62.85, 309.64°)
OKLab	oklab(35.5% 0.0648 -0.1386)
OKLCH	oklch(35.5% 0.153 295.1)
XYZ	xyz(6.9056, 3.8300, 21.1400)
Luminance	0.0383 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451F81 #5B811F

analogous

#1F2A81 #451F81 #761F81

triadic

#451F81 #81451F #1F8145

tetradic

#451F81 #811F2A #5B811F #1F8176

square

#451F81 #811F2A #5B811F #1F8176

split-complementary

#451F81 #81761F #2A811F

monochromatic

#10071E #2B1350 #451F81 #5F2BB2 #7E47D3

Accessibility & contrast

On white

11.89

#451F81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#451F81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451F81

11.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451F81	#FFFFFF	#000000	##FFFFFF
##451F81	1.00	11.89	1.77	11.89
#FFFFFF	11.89	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003884

Deuteranopia (green-blind)

#00367F

Tritanopia (blue-blind)

#34394E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #451f81;
/* rgb */ color: rgb(69, 31, 129);
/* oklch */ color: oklch(35.5% 0.153 295.1);

Tailwind

colors: {
  custom: {
    50: '#7f5fa6',
    500: '#451f81',
    950: '#000000',
  },
}

SCSS

$custom: #451f81;
$custom-light: #7f5fa6;
$custom-dark: #000000;

JSON

{
  "hex": "#451f81",
  "rgb": {
    "r": 69,
    "g": 31,
    "b": 129
  },
  "hsl": {
    "h": 263.265,
    "s": 61.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35503,
    "c": 0.15303,
    "h": 295.1
  },
  "luminance": 0.0383
}

Semantic roles & 50–950 ramp

primary

#451F81

secondary

#8AB448

accent

#E443A6

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B050F

muted

#7C797F

Preview Lab

Preview with #451F81

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

Preview Lab → · Contrast checker → · Palette generator →