#400C5A#400C5A

#400C5A is a dark, vivid purple. Relative luminance 0.021; OKLCH L 29.3% C 0.130 H 310.8°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#400C5A
RGB	rgb(64, 12, 90)
HSL	hsl(280, 76%, 20%)
HSV	hsv(280, 87%, 35%)
CMYK	cmyk(28.9%, 86.7%, 0%, 64.7%)
CIE-LAB	lab(15.96, 37.47, -34.71)
CIE-LCH	lch(15.96, 51.08, 317.19°)
OKLab	oklab(29.25% 0.085 -0.0985)
OKLCH	oklch(29.25% 0.13 310.8)
XYZ	xyz(4.0909, 2.0912, 9.8590)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400C5A #265A0C

analogous

#190C5A #400C5A #5A0C4D

triadic

#400C5A #5A400C #0C5A40

tetradic

#400C5A #5A190C #265A0C #0C4D5A

square

#400C5A #5A190C #265A0C #0C4D5A

split-complementary

#400C5A #4D5A0C #0C5A19

monochromatic

#13041B #1A0524 #400C5A #661390 #8D1AC6

Accessibility & contrast

On white

14.81

#400C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#400C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400C5A

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400C5A	#FFFFFF	#000000	##FFFFFF
##400C5A	1.00	14.81	1.42	14.81
#FFFFFF	14.81	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00255C

Deuteranopia (green-blind)

#002858

Tritanopia (blue-blind)

#3C2034

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #400c5a;
/* rgb */ color: rgb(64, 12, 90);
/* oklch */ color: oklch(29.3% 0.130 310.8);

Tailwind

colors: {
  custom: {
    50: '#795389',
    500: '#400c5a',
    950: '#000000',
  },
}

SCSS

$custom: #400c5a;
$custom-light: #795389;
$custom-dark: #000000;

JSON

{
  "hex": "#400c5a",
  "rgb": {
    "r": 64,
    "g": 12,
    "b": 90
  },
  "hsl": {
    "h": 280,
    "s": 76.471,
    "l": 20
  },
  "oklch": {
    "l": 0.29252,
    "c": 0.13009,
    "h": 310.8
  },
  "luminance": 0.02091
}

Semantic roles & 50–950 ramp

primary

#400C5A

secondary

#50952D

accent

#F33574

background

#F7F4F8

surface

#EEE7F0

border

#C9C3CB

text

#09030B

muted

#7B787C

Preview Lab

Preview with #400C5A

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

Preview Lab → · Contrast checker → · Palette generator →