#400C55#400C55

#400C55 is a dark, vivid purple. Relative luminance 0.020; OKLCH L 28.8% C 0.125 H 313.6°. Best body text is #FFFFFF at 14.98:1 contrast (WCAG AA passes).

Color values

HEX	#400C55
RGB	rgb(64, 12, 85)
HSL	hsl(283, 75%, 19%)
HSV	hsv(283, 86%, 33%)
CMYK	cmyk(24.7%, 85.9%, 0%, 66.7%)
CIE-LAB	lab(15.53, 36.32, -32.02)
CIE-LCH	lch(15.53, 48.42, 318.59°)
OKLab	oklab(28.82% 0.0863 -0.0906)
OKLCH	oklch(28.82% 0.125 313.6)
XYZ	xyz(3.8852, 2.0089, 8.7757)
Luminance	0.0201 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 5.03

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400C55 #21550C

analogous

#1C0C55 #400C55 #550C46

triadic

#400C55 #55400C #0C5540

tetradic

#400C55 #551C0C #21550C #0C4655

square

#400C55 #551C0C #21550C #0C4655

split-complementary

#400C55 #46550C #0C551C

monochromatic

#14041B #18041F #400C55 #68148B #911BC0

Accessibility & contrast

On white

14.98

#400C55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#400C55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400C55

14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400C55	#FFFFFF	#000000	##FFFFFF
##400C55	1.00	14.98	1.40	14.98
#FFFFFF	14.98	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002457

Deuteranopia (green-blind)

#042853

Tritanopia (blue-blind)

#3E1E31

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #400c55;
/* rgb */ color: rgb(64, 12, 85);
/* oklch */ color: oklch(28.8% 0.125 313.6);

Tailwind

colors: {
  custom: {
    50: '#785285',
    500: '#400c55',
    950: '#000000',
  },
}

SCSS

$custom: #400c55;
$custom-light: #785285;
$custom-dark: #000000;

JSON

{
  "hex": "#400c55",
  "rgb": {
    "r": 64,
    "g": 12,
    "b": 85
  },
  "hsl": {
    "h": 282.74,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.28822,
    "c": 0.12508,
    "h": 313.6
  },
  "luminance": 0.02009
}

Semantic roles & 50–950 ramp

primary

#400C55

secondary

#49902D

accent

#F2366C

background

#F7F4F8

surface

#EEE7EF

border

#C9C3CA

text

#09030B

muted

#7B787C

Preview Lab

Preview with #400C55

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

Preview Lab → · Contrast checker → · Palette generator →