#451B6D#451B6D

#451B6D is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.2% C 0.135 H 303.1°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#451B6D
RGB	rgb(69, 27, 109)
HSL	hsl(271, 60%, 27%)
HSV	hsv(271, 75%, 43%)
CMYK	cmyk(36.7%, 75.2%, 0%, 57.3%)
CIE-LAB	lab(20.65, 36.66, -39.60)
CIE-LCH	lch(20.65, 53.97, 312.80°)
OKLab	oklab(33.23% 0.0734 -0.1127)
OKLCH	oklch(33.23% 0.135 303.1)
XYZ	xyz(5.6058, 3.1532, 14.7783)
Luminance	0.0315 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B6D #436D1B

analogous

#1C1B6D #451B6D #6D1B6C

triadic

#451B6D #6D451B #1B6D45

tetradic

#451B6D #6D1C1B #436D1B #1B6C6D

square

#451B6D #6D1C1B #436D1B #1B6C6D

split-complementary

#451B6D #6C6D1B #1B6D1C

monochromatic

#100619 #260F3C #451B6D #64279E #8335CD

Accessibility & contrast

On white

12.88

#451B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#451B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B6D

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B6D	#FFFFFF	#000000	##FFFFFF
##451B6D	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00316F

Deuteranopia (green-blind)

#00316B

Tritanopia (blue-blind)

#3D2F42

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #451b6d;
/* rgb */ color: rgb(69, 27, 109);
/* oklch */ color: oklch(33.2% 0.135 303.1);

Tailwind

colors: {
  custom: {
    50: '#7d5b97',
    500: '#451b6d',
    950: '#000000',
  },
}

SCSS

$custom: #451b6d;
$custom-light: #7d5b97;
$custom-dark: #000000;

JSON

{
  "hex": "#451b6d",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 109
  },
  "hsl": {
    "h": 270.732,
    "s": 60.294,
    "l": 26.667
  },
  "oklch": {
    "l": 0.33225,
    "c": 0.13454,
    "h": 303.1
  },
  "luminance": 0.03153
}

Semantic roles & 50–950 ramp

primary

#451B6D

secondary

#71A242

accent

#E34492

background

#F7F5F9

surface

#EEE9F2

border

#C9C5CC

text

#0A040E

muted

#7C797E

Preview Lab

Preview with #451B6D

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

Preview Lab → · Contrast checker → · Palette generator →