#400C53#400C53

#400C53 is a dark, vivid purple. Relative luminance 0.020; OKLCH L 28.7% C 0.123 H 314.8°. Best body text is #FFFFFF at 15.05:1 contrast (WCAG AA passes).

Color values

HEX	#400C53
RGB	rgb(64, 12, 83)
HSL	hsl(284, 75%, 19%)
HSV	hsv(284, 86%, 33%)
CMYK	cmyk(22.9%, 85.5%, 0%, 67.5%)
CIE-LAB	lab(15.37, 35.86, -30.93)
CIE-LCH	lch(15.37, 47.36, 319.22°)
OKLab	oklab(28.65% 0.0867 -0.0874)
OKLCH	oklch(28.65% 0.123 314.8)
XYZ	xyz(3.8069, 1.9776, 8.3631)
Luminance	0.0198 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400C53 #1F530C

analogous

#1C0C53 #400C53 #530C42

triadic

#400C53 #53400C #0C5340

tetradic

#400C53 #531C0C #1F530C #0C4253

square

#400C53 #531C0C #1F530C #0C4253

split-complementary

#400C53 #42530C #0C531C

monochromatic

#15041B #17041E #400C53 #691488 #921BBE

Accessibility & contrast

On white

15.05

#400C53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#400C53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400C53

15.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400C53	#FFFFFF	#000000	##FFFFFF
##400C53	1.00	15.05	1.40	15.05
#FFFFFF	15.05	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002455

Deuteranopia (green-blind)

#082852

Tritanopia (blue-blind)

#3E1D30

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #400c53;
/* rgb */ color: rgb(64, 12, 83);
/* oklch */ color: oklch(28.7% 0.123 314.8);

Tailwind

colors: {
  custom: {
    50: '#785284',
    500: '#400c53',
    950: '#000000',
  },
}

SCSS

$custom: #400c53;
$custom-light: #785284;
$custom-dark: #000000;

JSON

{
  "hex": "#400c53",
  "rgb": {
    "r": 64,
    "g": 12,
    "b": 83
  },
  "hsl": {
    "h": 283.944,
    "s": 74.737,
    "l": 18.627
  },
  "oklch": {
    "l": 0.28654,
    "c": 0.12308,
    "h": 314.8
  },
  "luminance": 0.01977
}

Semantic roles & 50–950 ramp

primary

#400C53

secondary

#478E2D

accent

#F13668

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#09020B

muted

#7B787C

Preview Lab

Preview with #400C53

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

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