#451B4E#451B4E

#451B4E is a dark, moderate purple. Relative luminance 0.026; OKLCH L 30.9% C 0.099 H 320.2°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#451B4E
RGB	rgb(69, 27, 78)
HSL	hsl(289, 49%, 21%)
HSV	hsv(289, 65%, 31%)
CMYK	cmyk(11.5%, 65.4%, 0%, 69.4%)
CIE-LAB	lab(18.36, 28.95, -22.69)
CIE-LCH	lch(18.36, 36.78, 321.92°)
OKLab	oklab(30.86% 0.0759 -0.0632)
OKLCH	oklch(30.86% 0.099 320.2)
XYZ	xyz(4.2212, 2.5993, 7.4856)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#451B4E #244E1B

analogous

#2B1B4E #451B4E #4E1B3D

triadic

#451B4E #4E451B #1B4E45

tetradic

#451B4E #4E2B1B #244E1B #1B3D4E

square

#451B4E #4E2B1B #244E1B #1B3D4E

split-complementary

#451B4E #3D4E1B #1B4E2B

monochromatic

#140817 #1D0B21 #451B4E #6D2B7B #953AA9

Accessibility & contrast

On white

13.82

#451B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#451B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #451B4E

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##451B4E	#FFFFFF	#000000	##FFFFFF
##451B4E	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#102A50

Deuteranopia (green-blind)

#1F2E4D

Tritanopia (blue-blind)

#452331

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #451b4e;
/* rgb */ color: rgb(69, 27, 78);
/* oklch */ color: oklch(30.9% 0.099 320.2);

Tailwind

colors: {
  custom: {
    50: '#7a5a80',
    500: '#451b4e',
    950: '#000000',
  },
}

SCSS

$custom: #451b4e;
$custom-light: #7a5a80;
$custom-dark: #000000;

JSON

{
  "hex": "#451b4e",
  "rgb": {
    "r": 69,
    "g": 27,
    "b": 78
  },
  "hsl": {
    "h": 289.412,
    "s": 48.571,
    "l": 20.588
  },
  "oklch": {
    "l": 0.30855,
    "c": 0.09876,
    "h": 320.2
  },
  "luminance": 0.02599
}

Semantic roles & 50–950 ramp

primary

#451B4E

secondary

#4D8441

accent

#D85068

background

#F7F5F7

surface

#EEE9EE

border

#C9C5C9

text

#09040A

muted

#7B797C

Preview Lab

Preview with #451B4E

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

Preview Lab → · Contrast checker → · Palette generator →