#451B79#451B79

#451B79 is a dark, vivid violet. Relative luminance 0.034; OKLCH L 34.3% C 0.148 H 298.4°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#451B79
RGB	rgb(69, 27, 121)
HSL	hsl(267, 64%, 29%)
HSV	hsv(267, 78%, 47%)
CMYK	cmyk(43%, 77.7%, 0%, 52.5%)
CIE-LAB	lab(21.69, 39.87, -45.63)
CIE-LCH	lch(21.69, 60.59, 311.15°)
OKLab	oklab(34.28% 0.0707 -0.1305)
OKLCH	oklch(34.28% 0.148 298.4)
XYZ	xyz(6.2965, 3.4295, 18.4157)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.82

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B79 #4F791B

analogous

#1B2079 #451B79 #741B79

triadic

#451B79 #79451B #1B7945

tetradic

#451B79 #791B20 #4F791B #1B7974

square

#451B79 #791B20 #4F791B #1B7974

split-complementary

#451B79 #79741B #20791B

monochromatic

#0E0619 #281047 #451B79 #6226AB #7F3BD3

Accessibility & contrast

On white

12.46

#451B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#451B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B79

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B79	#FFFFFF	#000000	##FFFFFF
##451B79	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347C

Deuteranopia (green-blind)

#003377

Tritanopia (blue-blind)

#383449

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #451b79;
/* rgb */ color: rgb(69, 27, 121);
/* oklch */ color: oklch(34.3% 0.148 298.4);

Tailwind

colors: {
  custom: {
    50: '#7e5ca1',
    500: '#451b79',
    950: '#000000',
  },
}

SCSS

$custom: #451b79;
$custom-light: #7e5ca1;
$custom-dark: #000000;

JSON

{
  "hex": "#451b79",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 266.809,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34284,
    "c": 0.14837,
    "h": 298.4
  },
  "luminance": 0.0343
}

Semantic roles & 50–950 ramp

primary

#451B79

secondary

#7EAD43

accent

#E7419D

background

#F8F5FA

surface

#EFE9F3

border

#CAC5CD

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #451B79

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

Preview Lab → · Contrast checker → · Palette generator →