#400B52#400B52

#400B52 is a dark, vivid purple. Relative luminance 0.019; OKLCH L 28.5% C 0.123 H 315.5°. Best body text is #FFFFFF at 15.13:1 contrast (WCAG AA passes).

Color values

HEX	#400B52
RGB	rgb(64, 11, 82)
HSL	hsl(285, 76%, 18%)
HSV	hsv(285, 87%, 32%)
CMYK	cmyk(22%, 86.6%, 0%, 67.8%)
CIE-LAB	lab(15.16, 36.00, -30.58)
CIE-LCH	lch(15.16, 47.24, 319.65°)
OKLab	oklab(28.48% 0.0878 -0.0863)
OKLCH	oklch(28.48% 0.123 315.5)
XYZ	xyz(3.7568, 1.9387, 8.1573)
Luminance	0.0194 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400B52 #1D520B

analogous

#1C0B52 #400B52 #520B40

triadic

#400B52 #52400B #0B5240

tetradic

#400B52 #521C0B #1D520B #0B4052

square

#400B52 #521C0B #1D520B #0B4052

split-complementary

#400B52 #40520B #0B521C

monochromatic

#15041B #16041C #400B52 #6A1288 #9419BE

Accessibility & contrast

On white

15.13

#400B52 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#400B52 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400B52

15.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400B52	#FFFFFF	#000000	##FFFFFF
##400B52	1.00	15.13	1.39	15.13
#FFFFFF	15.13	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002354

Deuteranopia (green-blind)

#082751

Tritanopia (blue-blind)

#3F1C2F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #400b52;
/* rgb */ color: rgb(64, 11, 82);
/* oklch */ color: oklch(28.5% 0.123 315.5);

Tailwind

colors: {
  custom: {
    50: '#785283',
    500: '#400b52',
    950: '#000000',
  },
}

SCSS

$custom: #400b52;
$custom-light: #785283;
$custom-dark: #000000;

JSON

{
  "hex": "#400b52",
  "rgb": {
    "r": 64,
    "g": 11,
    "b": 82
  },
  "hsl": {
    "h": 284.789,
    "s": 76.344,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28482,
    "c": 0.12315,
    "h": 315.5
  },
  "luminance": 0.01939
}

Semantic roles & 50–950 ramp

primary

#400B52

secondary

#448E2B

accent

#F33565

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#09020B

muted

#7B787C

Preview Lab

Preview with #400B52

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

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