#451B57#451B57

#451B57 is a dark, moderate purple. Relative luminance 0.027; OKLCH L 31.5% C 0.109 H 314.2°. Best body text is #FFFFFF at 13.57:1 contrast (WCAG AA passes).

Color values

HEX	#451B57
RGB	rgb(69, 27, 87)
HSL	hsl(282, 53%, 22%)
HSV	hsv(282, 69%, 34%)
CMYK	cmyk(20.7%, 69%, 0%, 65.9%)
CIE-LAB	lab(18.96, 31.08, -27.81)
CIE-LCH	lch(18.96, 41.70, 318.17°)
OKLab	oklab(31.48% 0.076 -0.0781)
OKLCH	oklch(31.48% 0.109 314.2)
XYZ	xyz(4.5662, 2.7373, 9.3028)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B57 #2D571B

analogous

#271B57 #451B57 #571B4B

triadic

#451B57 #57451B #1B5745

tetradic

#451B57 #57271B #2D571B #1B4B57

square

#451B57 #57271B #2D571B #1B4B57

split-complementary

#451B57 #4B571B #1B5727

monochromatic

#130717 #200D28 #451B57 #6A2986 #8F38B4

Accessibility & contrast

On white

13.57

#451B57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#451B57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B57

13.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B57	#FFFFFF	#000000	##FFFFFF
##451B57	1.00	13.57	1.55	13.57
#FFFFFF	13.57	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#042C59

Deuteranopia (green-blind)

#192F56

Tritanopia (blue-blind)

#432636

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #451b57;
/* rgb */ color: rgb(69, 27, 87);
/* oklch */ color: oklch(31.5% 0.109 314.2);

Tailwind

colors: {
  custom: {
    50: '#7b5a87',
    500: '#451b57',
    950: '#000000',
  },
}

SCSS

$custom: #451b57;
$custom-light: #7b5a87;
$custom-dark: #000000;

JSON

{
  "hex": "#451b57",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 87
  },
  "hsl": {
    "h": 282,
    "s": 52.632,
    "l": 22.353
  },
  "oklch": {
    "l": 0.31481,
    "c": 0.10902,
    "h": 314.2
  },
  "luminance": 0.02737
}

Semantic roles & 50–950 ramp

primary

#451B57

secondary

#588D41

accent

#DC4C77

background

#F7F5F8

surface

#EEE9EF

border

#C9C5CA

text

#09040B

muted

#7B797C

Preview Lab

Preview with #451B57

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

Preview Lab → · Contrast checker → · Palette generator →