#451B58#451B58

#451B58 is a dark, moderate purple. Relative luminance 0.028; OKLCH L 31.6% C 0.110 H 313.6°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#451B58
RGB	rgb(69, 27, 88)
HSL	hsl(281, 53%, 23%)
HSV	hsv(281, 69%, 35%)
CMYK	cmyk(21.6%, 69.3%, 0%, 65.5%)
CIE-LAB	lab(19.03, 31.32, -28.37)
CIE-LCH	lch(19.03, 42.26, 317.83°)
OKLab	oklab(31.55% 0.076 -0.0798)
OKLCH	oklch(31.55% 0.11 313.6)
XYZ	xyz(4.6073, 2.7538, 9.5195)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B58 #2E581B

analogous

#261B58 #451B58 #581B4D

triadic

#451B58 #58451B #1B5845

tetradic

#451B58 #58261B #2E581B #1B4D58

square

#451B58 #58261B #2E581B #1B4D58

split-complementary

#451B58 #4D581B #1B5826

monochromatic

#120717 #200D29 #451B58 #6A2987 #8E38B6

Accessibility & contrast

On white

13.54

#451B58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#451B58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B58

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B58	#FFFFFF	#000000	##FFFFFF
##451B58	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022C5A

Deuteranopia (green-blind)

#182F57

Tritanopia (blue-blind)

#432736

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #451b58;
/* rgb */ color: rgb(69, 27, 88);
/* oklch */ color: oklch(31.6% 0.110 313.6);

Tailwind

colors: {
  custom: {
    50: '#7b5b87',
    500: '#451b58',
    950: '#000000',
  },
}

SCSS

$custom: #451b58;
$custom-light: #7b5b87;
$custom-dark: #000000;

JSON

{
  "hex": "#451b58",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 88
  },
  "hsl": {
    "h": 281.311,
    "s": 53.043,
    "l": 22.549
  },
  "oklch": {
    "l": 0.31554,
    "c": 0.11017,
    "h": 313.6
  },
  "luminance": 0.02754
}

Semantic roles & 50–950 ramp

primary

#451B58

secondary

#598E41

accent

#DC4B79

background

#F7F5F8

surface

#EEE9EF

border

#C9C5CA

text

#09040B

muted

#7B797C

Preview Lab

Preview with #451B58

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

Preview Lab → · Contrast checker → · Palette generator →