#451B5B#451B5B

#451B5B is a dark, moderate violet. Relative luminance 0.028; OKLCH L 31.8% C 0.114 H 311.9°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#451B5B
RGB	rgb(69, 27, 91)
HSL	hsl(279, 54%, 23%)
HSV	hsv(279, 70%, 36%)
CMYK	cmyk(24.2%, 70.3%, 0%, 64.3%)
CIE-LAB	lab(19.24, 32.06, -30.03)
CIE-LCH	lch(19.24, 43.93, 316.87°)
OKLab	oklab(31.78% 0.0758 -0.0846)
OKLCH	oklch(31.78% 0.114 311.9)
XYZ	xyz(4.7342, 2.8045, 10.1874)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B5B #315B1B

analogous

#251B5B #451B5B #5B1B51

triadic

#451B5B #5B451B #1B5B45

tetradic

#451B5B #5B251B #315B1B #1B515B

square

#451B5B #5B251B #315B1B #1B515B

split-complementary

#451B5B #515B1B #1B5B25

monochromatic

#120718 #210D2C #451B5B #69298A #8D37B9

Accessibility & contrast

On white

13.45

#451B5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#451B5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B5B

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B5B	#FFFFFF	#000000	##FFFFFF
##451B5B	1.00	13.45	1.56	13.45
#FFFFFF	13.45	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5D

Deuteranopia (green-blind)

#15305A

Tritanopia (blue-blind)

#422838

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #451b5b;
/* rgb */ color: rgb(69, 27, 91);
/* oklch */ color: oklch(31.8% 0.114 311.9);

Tailwind

colors: {
  custom: {
    50: '#7b5b8a',
    500: '#451b5b',
    950: '#000000',
  },
}

SCSS

$custom: #451b5b;
$custom-light: #7b5b8a;
$custom-dark: #000000;

JSON

{
  "hex": "#451b5b",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 91
  },
  "hsl": {
    "h": 279.375,
    "s": 54.237,
    "l": 23.137
  },
  "oklch": {
    "l": 0.31777,
    "c": 0.11365,
    "h": 311.9
  },
  "luminance": 0.02804
}

Semantic roles & 50–950 ramp

primary

#451B5B

secondary

#5C9141

accent

#DE4A7D

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#0A040C

muted

#7C797D

Preview Lab

Preview with #451B5B

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

Preview Lab → · Contrast checker → · Palette generator →