#400D55#400D55

#400D55 is a dark, vivid purple. Relative luminance 0.020; OKLCH L 28.9% C 0.124 H 313.5°. Best body text is #FFFFFF at 14.93:1 contrast (WCAG AA passes).

Color values

HEX	#400D55
RGB	rgb(64, 13, 85)
HSL	hsl(283, 73%, 19%)
HSV	hsv(283, 85%, 33%)
CMYK	cmyk(24.7%, 84.7%, 0%, 66.7%)
CIE-LAB	lab(15.66, 35.94, -31.81)
CIE-LCH	lch(15.66, 48.00, 318.49°)
OKLab	oklab(28.91% 0.0853 -0.09)
OKLCH	oklch(28.91% 0.124 313.5)
XYZ	xyz(3.8977, 2.0338, 8.7798)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 5.11

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400D55 #22550D

analogous

#1C0D55 #400D55 #550D46

triadic

#400D55 #55400D #0D5540

tetradic

#400D55 #551C0D #22550D #0D4655

square

#400D55 #551C0D #22550D #0D4655

split-complementary

#400D55 #46550D #0D551C

monochromatic

#14041B #180520 #400D55 #68158A #901DBF

Accessibility & contrast

On white

14.93

#400D55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#400D55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400D55

14.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400D55	#FFFFFF	#000000	##FFFFFF
##400D55	1.00	14.93	1.41	14.93
#FFFFFF	14.93	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002457

Deuteranopia (green-blind)

#052854

Tritanopia (blue-blind)

#3E1E31

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #400d55;
/* rgb */ color: rgb(64, 13, 85);
/* oklch */ color: oklch(28.9% 0.124 313.5);

Tailwind

colors: {
  custom: {
    50: '#785385',
    500: '#400d55',
    950: '#000000',
  },
}

SCSS

$custom: #400d55;
$custom-light: #785385;
$custom-dark: #000000;

JSON

{
  "hex": "#400d55",
  "rgb": {
    "r": 64,
    "g": 13,
    "b": 85
  },
  "hsl": {
    "h": 282.5,
    "s": 73.469,
    "l": 19.216
  },
  "oklch": {
    "l": 0.28913,
    "c": 0.124,
    "h": 313.5
  },
  "luminance": 0.02034
}

Semantic roles & 50–950 ramp

primary

#400D55

secondary

#4B902E

accent

#F0386D

background

#F7F4F8

surface

#EEE7EF

border

#C9C3CA

text

#09030B

muted

#7B787C

Preview Lab

Preview with #400D55

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

Preview Lab → · Contrast checker → · Palette generator →