#400F5B#400F5B

#400F5B is a dark, vivid violet. Relative luminance 0.022; OKLCH L 29.6% C 0.128 H 309.9°. Best body text is #FFFFFF at 14.61:1 contrast (WCAG AA passes).

Color values

HEX	#400F5B
RGB	rgb(64, 15, 91)
HSL	hsl(279, 72%, 21%)
HSV	hsv(279, 84%, 36%)
CMYK	cmyk(29.7%, 83.5%, 0%, 64.3%)
CIE-LAB	lab(16.44, 36.56, -34.60)
CIE-LCH	lch(16.44, 50.34, 316.58°)
OKLab	oklab(29.62% 0.0821 -0.0982)
OKLCH	oklch(29.62% 0.128 309.9)
XYZ	xyz(4.1731, 2.1871, 10.0978)
Luminance	0.0219 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400F5B #2A5B0F

analogous

#1A0F5B #400F5B #5B0F50

triadic

#400F5B #5B400F #0F5B40

tetradic

#400F5B #5B1A0F #2A5B0F #0F505B

square

#400F5B #5B1A0F #2A5B0F #0F505B

split-complementary

#400F5B #505B0F #0F5B1A

monochromatic

#12041A #1B0626 #400F5B #651890 #8A20C4

Accessibility & contrast

On white

14.61

#400F5B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.44

#400F5B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400F5B

14.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400F5B	#FFFFFF	#000000	##FFFFFF
##400F5B	1.00	14.61	1.44	14.61
#FFFFFF	14.61	1.00	21.00	1.00
#000000	1.44	21.00	1.00	21.00
##FFFFFF	14.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00275D

Deuteranopia (green-blind)

#002959

Tritanopia (blue-blind)

#3C2235

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #400f5b;
/* rgb */ color: rgb(64, 15, 91);
/* oklch */ color: oklch(29.6% 0.128 309.9);

Tailwind

colors: {
  custom: {
    50: '#78548a',
    500: '#400f5b',
    950: '#000000',
  },
}

SCSS

$custom: #400f5b;
$custom-light: #78548a;
$custom-dark: #000000;

JSON

{
  "hex": "#400f5b",
  "rgb": {
    "r": 64,
    "g": 15,
    "b": 91
  },
  "hsl": {
    "h": 278.684,
    "s": 71.698,
    "l": 20.784
  },
  "oklch": {
    "l": 0.29616,
    "c": 0.12796,
    "h": 309.9
  },
  "luminance": 0.02187
}

Semantic roles & 50–950 ramp

primary

#400F5B

secondary

#559531

accent

#EE397A

background

#F7F5F8

surface

#EEE9F0

border

#C9C5CB

text

#09030C

muted

#7B787D

Preview Lab

Preview with #400F5B

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

Preview Lab → · Contrast checker → · Palette generator →