#451B56#451B56

#451B56 is a dark, moderate purple. Relative luminance 0.027; OKLCH L 31.4% C 0.108 H 314.8°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#451B56
RGB	rgb(69, 27, 86)
HSL	hsl(283, 52%, 22%)
HSV	hsv(283, 69%, 34%)
CMYK	cmyk(19.8%, 68.6%, 0%, 66.3%)
CIE-LAB	lab(18.89, 30.83, -27.25)
CIE-LCH	lch(18.89, 41.15, 318.53°)
OKLab	oklab(31.41% 0.076 -0.0765)
OKLCH	oklch(31.41% 0.108 314.8)
XYZ	xyz(4.5256, 2.7211, 9.0891)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B56 #2C561B

analogous

#281B56 #451B56 #561B4A

triadic

#451B56 #56451B #1B5645

tetradic

#451B56 #56281B #2C561B #1B4A56

square

#451B56 #56281B #2C561B #1B4A56

split-complementary

#451B56 #4A561B #1B5628

monochromatic

#130717 #200C27 #451B56 #6A2A85 #9038B3

Accessibility & contrast

On white

13.60

#451B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#451B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B56

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B56	#FFFFFF	#000000	##FFFFFF
##451B56	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#052B58

Deuteranopia (green-blind)

#1A2F55

Tritanopia (blue-blind)

#442635

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #451b56;
/* rgb */ color: rgb(69, 27, 86);
/* oklch */ color: oklch(31.4% 0.108 314.8);

Tailwind

colors: {
  custom: {
    50: '#7b5a86',
    500: '#451b56',
    950: '#000000',
  },
}

SCSS

$custom: #451b56;
$custom-light: #7b5a86;
$custom-dark: #000000;

JSON

{
  "hex": "#451b56",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 86
  },
  "hsl": {
    "h": 282.712,
    "s": 52.212,
    "l": 22.157
  },
  "oklch": {
    "l": 0.31409,
    "c": 0.10786,
    "h": 314.8
  },
  "luminance": 0.02721
}

Semantic roles & 50–950 ramp

primary

#451B56

secondary

#578C41

accent

#DC4C75

background

#F7F5F8

surface

#EEE9EF

border

#C9C5CA

text

#09040B

muted

#7B797C

Preview Lab

Preview with #451B56

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

Preview Lab → · Contrast checker → · Palette generator →