#451B81#451B81

#451B81 is a dark, vivid violet. Relative luminance 0.036; OKLCH L 35.0% C 0.158 H 295.8°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#451B81
RGB	rgb(69, 27, 129)
HSL	hsl(265, 65%, 31%)
HSV	hsv(265, 79%, 51%)
CMYK	cmyk(46.5%, 79.1%, 0%, 49.4%)
CIE-LAB	lab(22.42, 42.03, -49.51)
CIE-LCH	lch(22.42, 64.94, 310.33°)
OKLab	oklab(35.03% 0.0685 -0.1418)
OKLCH	oklch(35.03% 0.158 295.8)
XYZ	xyz(6.8076, 3.6339, 21.1074)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B81 #57811B

analogous

#1B2481 #451B81 #781B81

triadic

#451B81 #81451B #1B8145

tetradic

#451B81 #811B24 #57811B #1B8178

square

#451B81 #811B24 #57811B #1B8178

split-complementary

#451B81 #81781B #24811B

monochromatic

#0F061C #2A104E #451B81 #6026B4 #7E3FD7

Accessibility & contrast

On white

12.16

#451B81 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#451B81 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B81

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B81	#FFFFFF	#000000	##FFFFFF
##451B81	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003684

Deuteranopia (green-blind)

#00347F

Tritanopia (blue-blind)

#34374D

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #451b81;
/* rgb */ color: rgb(69, 27, 129);
/* oklch */ color: oklch(35.0% 0.158 295.8);

Tailwind

colors: {
  custom: {
    50: '#7f5ca6',
    500: '#451b81',
    950: '#000000',
  },
}

SCSS

$custom: #451b81;
$custom-light: #7f5ca6;
$custom-dark: #000000;

JSON

{
  "hex": "#451b81",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 129
  },
  "hsl": {
    "h": 264.706,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.35026,
    "c": 0.15751,
    "h": 295.8
  },
  "luminance": 0.03634
}

Semantic roles & 50–950 ramp

primary

#451B81

secondary

#86B543

accent

#E83FA3

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #451B81

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

Preview Lab → · Contrast checker → · Palette generator →