#400C5F#400C5F

#400C5F is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.7% C 0.135 H 308.2°. Best body text is #FFFFFF at 14.63:1 contrast (WCAG AA passes).

Color values

HEX	#400C5F
RGB	rgb(64, 12, 95)
HSL	hsl(278, 78%, 21%)
HSV	hsv(278, 87%, 37%)
CMYK	cmyk(32.6%, 87.4%, 0%, 62.7%)
CIE-LAB	lab(16.40, 38.65, -37.33)
CIE-LCH	lch(16.40, 53.74, 315.99°)
OKLab	oklab(29.7% 0.0836 -0.1062)
OKLCH	oklch(29.7% 0.135 308.2)
XYZ	xyz(4.3109, 2.1792, 11.0178)
Luminance	0.0218 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400C5F #2B5F0C

analogous

#160C5F #400C5F #5F0C54

triadic

#400C5F #5F400C #0C5F40

tetradic

#400C5F #5F160C #2B5F0C #0C545F

square

#400C5F #5F160C #2B5F0C #0C545F

split-complementary

#400C5F #545F0C #0C5F16

monochromatic

#12031B #1B0529 #400C5F #651395 #891ACC

Accessibility & contrast

On white

14.63

#400C5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#400C5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400C5F

14.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400C5F	#FFFFFF	#000000	##FFFFFF
##400C5F	1.00	14.63	1.44	14.63
#FFFFFF	14.63	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002761

Deuteranopia (green-blind)

#00295D

Tritanopia (blue-blind)

#3B2237

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #400c5f;
/* rgb */ color: rgb(64, 12, 95);
/* oklch */ color: oklch(29.7% 0.135 308.2);

Tailwind

colors: {
  custom: {
    50: '#79538d',
    500: '#400c5f',
    950: '#000000',
  },
}

SCSS

$custom: #400c5f;
$custom-light: #79538d;
$custom-dark: #000000;

JSON

{
  "hex": "#400c5f",
  "rgb": {
    "r": 64,
    "g": 12,
    "b": 95
  },
  "hsl": {
    "h": 277.59,
    "s": 77.57,
    "l": 20.98
  },
  "oklch": {
    "l": 0.29699,
    "c": 0.13515,
    "h": 308.2
  },
  "luminance": 0.02179
}

Semantic roles & 50–950 ramp

primary

#400C5F

secondary

#56992D

accent

#F4347C

background

#F7F4F8

surface

#EEE8F0

border

#C9C4CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #400C5F

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

Preview Lab → · Contrast checker → · Palette generator →