#451B73#451B73

#451B73 is a dark, vivid violet. Relative luminance 0.033; OKLCH L 33.7% C 0.141 H 300.7°. Best body text is #FFFFFF at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#451B73
RGB	rgb(69, 27, 115)
HSL	hsl(269, 62%, 28%)
HSV	hsv(269, 77%, 45%)
CMYK	cmyk(40%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(21.16, 38.26, -42.64)
CIE-LCH	lch(21.16, 57.29, 311.90°)
OKLab	oklab(33.75% 0.0721 -0.1217)
OKLCH	oklch(33.75% 0.141 300.7)
XYZ	xyz(5.9399, 3.2868, 16.5378)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B73 #49731B

analogous

#1B1D73 #451B73 #711B73

triadic

#451B73 #73451B #1B7345

tetradic

#451B73 #731B1D #49731B #1B7371

square

#451B73 #731B1D #49731B #1B7371

split-complementary

#451B73 #73711B #1D731B

monochromatic

#0F0619 #270F41 #451B73 #6327A5 #8138D0

Accessibility & contrast

On white

12.67

#451B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#451B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B73

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B73	#FFFFFF	#000000	##FFFFFF
##451B73	1.00	12.67	1.66	12.67
#FFFFFF	12.67	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003276

Deuteranopia (green-blind)

#003271

Tritanopia (blue-blind)

#3B3145

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #451b73;
/* rgb */ color: rgb(69, 27, 115);
/* oklch */ color: oklch(33.7% 0.141 300.7);

Tailwind

colors: {
  custom: {
    50: '#7d5c9c',
    500: '#451b73',
    950: '#000000',
  },
}

SCSS

$custom: #451b73;
$custom-light: #7d5c9c;
$custom-dark: #000000;

JSON

{
  "hex": "#451b73",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 268.636,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.33746,
    "c": 0.14147,
    "h": 300.7
  },
  "luminance": 0.03287
}

Semantic roles & 50–950 ramp

primary

#451B73

secondary

#77A842

accent

#E54398

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #451B73

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

Preview Lab → · Contrast checker → · Palette generator →