#451B7B#451B7B

#451B7B is a dark, vivid violet. Relative luminance 0.035; OKLCH L 34.5% C 0.151 H 297.7°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#451B7B
RGB	rgb(69, 27, 123)
HSL	hsl(266, 64%, 29%)
HSV	hsv(266, 78%, 48%)
CMYK	cmyk(43.9%, 78%, 0%, 51.8%)
CIE-LAB	lab(21.87, 40.41, -46.61)
CIE-LCH	lch(21.87, 61.68, 310.92°)
OKLab	oklab(34.47% 0.0701 -0.1333)
OKLCH	oklch(34.47% 0.151 297.7)
XYZ	xyz(6.4204, 3.4790, 19.0683)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B7B #517B1B

analogous

#1B217B #451B7B #751B7B

triadic

#451B7B #7B451B #1B7B45

tetradic

#451B7B #7B1B21 #517B1B #1B7B75

square

#451B7B #7B1B21 #517B1B #1B7B75

split-complementary

#451B7B #7B751B #217B1B

monochromatic

#0E0619 #291049 #451B7B #6126AD #7F3CD4

Accessibility & contrast

On white

12.38

#451B7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#451B7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B7B

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B7B	#FFFFFF	#000000	##FFFFFF
##451B7B	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00357E

Deuteranopia (green-blind)

#003379

Tritanopia (blue-blind)

#37344A

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #451b7b;
/* rgb */ color: rgb(69, 27, 123);
/* oklch */ color: oklch(34.5% 0.151 297.7);

Tailwind

colors: {
  custom: {
    50: '#7e5ca2',
    500: '#451b7b',
    950: '#000000',
  },
}

SCSS

$custom: #451b7b;
$custom-light: #7e5ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#451b7b",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 123
  },
  "hsl": {
    "h": 266.25,
    "s": 64,
    "l": 29.412
  },
  "oklch": {
    "l": 0.34467,
    "c": 0.15066,
    "h": 297.7
  },
  "luminance": 0.03479
}

Semantic roles & 50–950 ramp

primary

#451B7B

secondary

#80AF43

accent

#E7419E

background

#F8F5FA

surface

#EFE9F4

border

#CAC5CE

text

#0B040F

muted

#7C797F

Preview Lab

Preview with #451B7B

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

Preview Lab → · Contrast checker → · Palette generator →