#400E57#400E57

#400E57 is a dark, vivid purple. Relative luminance 0.021; OKLCH L 29.2% C 0.125 H 312.2°. Best body text is #FFFFFF at 14.81:1 contrast (WCAG AA passes).

Color values

HEX	#400E57
RGB	rgb(64, 14, 87)
HSL	hsl(281, 72%, 20%)
HSV	hsv(281, 84%, 34%)
CMYK	cmyk(26.4%, 83.9%, 0%, 65.9%)
CIE-LAB	lab(15.96, 36.02, -32.68)
CIE-LCH	lch(15.96, 48.63, 317.78°)
OKLab	oklab(29.18% 0.084 -0.0925)
OKLCH	oklch(29.18% 0.125 312.2)
XYZ	xyz(3.9914, 2.0923, 9.2086)
Luminance	0.0209 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Plum Purple

#4E0550

ΔE00 4.52

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400E57 #25570E

analogous

#1C0E57 #400E57 #570E4A

triadic

#400E57 #57400E #0E5740

tetradic

#400E57 #571C0E #25570E #0E4A57

square

#400E57 #571C0E #25570E #0E4A57

split-complementary

#400E57 #4A570E #0E571C

monochromatic

#13041A #190622 #400E57 #67168C #8E1FC0

Accessibility & contrast

On white

14.81

#400E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#400E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400E57

14.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400E57	#FFFFFF	#000000	##FFFFFF
##400E57	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)

#002559

Deuteranopia (green-blind)

#032955

Tritanopia (blue-blind)

#3D2032

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #400e57;
/* rgb */ color: rgb(64, 14, 87);
/* oklch */ color: oklch(29.2% 0.125 312.2);

Tailwind

colors: {
  custom: {
    50: '#785387',
    500: '#400e57',
    950: '#000000',
  },
}

SCSS

$custom: #400e57;
$custom-light: #785387;
$custom-dark: #000000;

JSON

{
  "hex": "#400e57",
  "rgb": {
    "r": 64,
    "g": 14,
    "b": 87
  },
  "hsl": {
    "h": 281.096,
    "s": 72.277,
    "l": 19.804
  },
  "oklch": {
    "l": 0.29176,
    "c": 0.12493,
    "h": 312.2
  },
  "luminance": 0.02092
}

Semantic roles & 50–950 ramp

primary

#400E57

secondary

#4E9130

accent

#EF3972

background

#F7F4F8

surface

#EEE8EF

border

#C9C4CA

text

#09030B

muted

#7B787C

Preview Lab

Preview with #400E57

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

Preview Lab → · Contrast checker → · Palette generator →