#451B5C#451B5C

#451B5C is a dark, moderate violet. Relative luminance 0.028; OKLCH L 31.9% C 0.115 H 311.3°. Best body text is #FFFFFF at 13.42:1 contrast (WCAG AA passes).

Color values

HEX	#451B5C
RGB	rgb(69, 27, 92)
HSL	hsl(279, 55%, 23%)
HSV	hsv(279, 71%, 36%)
CMYK	cmyk(25%, 70.7%, 0%, 63.9%)
CIE-LAB	lab(19.32, 32.30, -30.58)
CIE-LCH	lch(19.32, 44.48, 316.57°)
OKLab	oklab(31.85% 0.0758 -0.0863)
OKLCH	oklch(31.85% 0.115 311.3)
XYZ	xyz(4.7776, 2.8219, 10.4161)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Plum Purple

#4E0550

ΔE00 5.27

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B5C #325C1B

analogous

#241B5C #451B5C #5C1B52

triadic

#451B5C #5C451B #1B5C45

tetradic

#451B5C #5C241B #325C1B #1B525C

square

#451B5C #5C241B #325C1B #1B525C

split-complementary

#451B5C #525C1B #1B5C24

monochromatic

#120718 #220D2D #451B5C #68298B #8C37BB

Accessibility & contrast

On white

13.42

#451B5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#451B5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B5C

13.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B5C	#FFFFFF	#000000	##FFFFFF
##451B5C	1.00	13.42	1.56	13.42
#FFFFFF	13.42	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D5E

Deuteranopia (green-blind)

#14305B

Tritanopia (blue-blind)

#422839

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #451b5c;
/* rgb */ color: rgb(69, 27, 92);
/* oklch */ color: oklch(31.9% 0.115 311.3);

Tailwind

colors: {
  custom: {
    50: '#7b5b8b',
    500: '#451b5c',
    950: '#000000',
  },
}

SCSS

$custom: #451b5c;
$custom-light: #7b5b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#451b5c",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 92
  },
  "hsl": {
    "h": 278.769,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.31852,
    "c": 0.11481,
    "h": 311.3
  },
  "luminance": 0.02822
}

Semantic roles & 50–950 ramp

primary

#451B5C

secondary

#5E9241

accent

#DE4A7E

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#0A040C

muted

#7C797D

Preview Lab

Preview with #451B5C

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

Preview Lab → · Contrast checker → · Palette generator →