#451B72#451B72

#451B72 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.7% C 0.140 H 301.0°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#451B72
RGB	rgb(69, 27, 114)
HSL	hsl(269, 62%, 28%)
HSV	hsv(269, 76%, 45%)
CMYK	cmyk(39.5%, 76.3%, 0%, 55.3%)
CIE-LAB	lab(21.07, 37.99, -42.14)
CIE-LCH	lch(21.07, 56.74, 312.03°)
OKLab	oklab(33.66% 0.0724 -0.1202)
OKLCH	oklch(33.66% 0.14 301)
XYZ	xyz(5.8827, 3.2639, 16.2364)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B72 #48721B

analogous

#1B1C72 #451B72 #711B72

triadic

#451B72 #72451B #1B7245

tetradic

#451B72 #721B1C #48721B #1B7271

square

#451B72 #721B1C #48721B #1B7271

split-complementary

#451B72 #72711B #1C721B

monochromatic

#0F0619 #270F41 #451B72 #6327A3 #8138D0

Accessibility & contrast

On white

12.71

#451B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#451B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B72

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B72	#FFFFFF	#000000	##FFFFFF
##451B72	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003274

Deuteranopia (green-blind)

#003270

Tritanopia (blue-blind)

#3B3145

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #451b72;
/* rgb */ color: rgb(69, 27, 114);
/* oklch */ color: oklch(33.7% 0.140 301.0);

Tailwind

colors: {
  custom: {
    50: '#7d5c9b',
    500: '#451b72',
    950: '#000000',
  },
}

SCSS

$custom: #451b72;
$custom-light: #7d5c9b;
$custom-dark: #000000;

JSON

{
  "hex": "#451b72",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 114
  },
  "hsl": {
    "h": 268.966,
    "s": 61.702,
    "l": 27.647
  },
  "oklch": {
    "l": 0.33658,
    "c": 0.14033,
    "h": 301
  },
  "luminance": 0.03264
}

Semantic roles & 50–950 ramp

primary

#451B72

secondary

#76A742

accent

#E54397

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #451B72

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

Preview Lab → · Contrast checker → · Palette generator →