#451B6F#451B6F

#451B6F is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.4% C 0.137 H 302.2°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#451B6F
RGB	rgb(69, 27, 111)
HSL	hsl(270, 61%, 27%)
HSV	hsv(270, 76%, 44%)
CMYK	cmyk(37.8%, 75.7%, 0%, 56.5%)
CIE-LAB	lab(20.82, 37.19, -40.62)
CIE-LCH	lch(20.82, 55.07, 312.48°)
OKLab	oklab(33.4% 0.073 -0.1158)
OKLCH	oklch(33.4% 0.137 302.2)
XYZ	xyz(5.7147, 3.1968, 15.3518)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B6F #456F1B

analogous

#1B1B6F #451B6F #6F1B6F

triadic

#451B6F #6F451B #1B6F45

tetradic

#451B6F #6F1B1B #456F1B #1B6F6F

square

#451B6F #6F1B1B #456F1B #1B6F6F

split-complementary

#451B6F #6F6F1B #1B6F1B

monochromatic

#0F0619 #260F3E #451B6F #6427A0 #8236CE

Accessibility & contrast

On white

12.81

#451B6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#451B6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B6F

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B6F	#FFFFFF	#000000	##FFFFFF
##451B6F	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003171

Deuteranopia (green-blind)

#00326D

Tritanopia (blue-blind)

#3C3043

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #451b6f;
/* rgb */ color: rgb(69, 27, 111);
/* oklch */ color: oklch(33.4% 0.137 302.2);

Tailwind

colors: {
  custom: {
    50: '#7d5c99',
    500: '#451b6f',
    950: '#000000',
  },
}

SCSS

$custom: #451b6f;
$custom-light: #7d5c99;
$custom-dark: #000000;

JSON

{
  "hex": "#451b6f",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 111
  },
  "hsl": {
    "h": 270,
    "s": 60.87,
    "l": 27.059
  },
  "oklch": {
    "l": 0.33397,
    "c": 0.13686,
    "h": 302.2
  },
  "luminance": 0.03197
}

Semantic roles & 50–950 ramp

primary

#451B6F

secondary

#73A442

accent

#E44494

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #451B6F

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

Preview Lab → · Contrast checker → · Palette generator →