#400B56#400B56

#400B56 is a dark, vivid purple. Relative luminance 0.020; OKLCH L 28.8% C 0.127 H 313.1°. Best body text is #FFFFFF at 15.00:1 contrast (WCAG AA passes).

Color values

HEX	#400B56
RGB	rgb(64, 11, 86)
HSL	hsl(282, 77%, 19%)
HSV	hsv(282, 87%, 34%)
CMYK	cmyk(25.6%, 87.2%, 0%, 66.3%)
CIE-LAB	lab(15.49, 36.90, -32.76)
CIE-LCH	lch(15.49, 49.35, 318.40°)
OKLab	oklab(28.82% 0.0869 -0.0927)
OKLCH	oklch(28.82% 0.127 313.1)
XYZ	xyz(3.9134, 2.0013, 8.9824)
Luminance	0.0200 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400B56 #21560B

analogous

#1B0B56 #400B56 #560B47

triadic

#400B56 #56400B #0B5640

tetradic

#400B56 #561B0B #21560B #0B4756

square

#400B56 #561B0B #21560B #0B4756

split-complementary

#400B56 #47560B #0B561B

monochromatic

#14031B #180420 #400B56 #68128C #9119C3

Accessibility & contrast

On white

15.00

#400B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#400B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400B56

15.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400B56	#FFFFFF	#000000	##FFFFFF
##400B56	1.00	15.00	1.40	15.00
#FFFFFF	15.00	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002458

Deuteranopia (green-blind)

#022854

Tritanopia (blue-blind)

#3E1E31

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #400b56;
/* rgb */ color: rgb(64, 11, 86);
/* oklch */ color: oklch(28.8% 0.127 313.1);

Tailwind

colors: {
  custom: {
    50: '#785286',
    500: '#400b56',
    950: '#000000',
  },
}

SCSS

$custom: #400b56;
$custom-light: #785286;
$custom-dark: #000000;

JSON

{
  "hex": "#400b56",
  "rgb": {
    "r": 64,
    "g": 11,
    "b": 86
  },
  "hsl": {
    "h": 282.4,
    "s": 77.32,
    "l": 19.02
  },
  "oklch": {
    "l": 0.2882,
    "c": 0.1271,
    "h": 313.1
  },
  "luminance": 0.02001
}

Semantic roles & 50–950 ramp

primary

#400B56

secondary

#49912B

accent

#F4346C

background

#F7F4F8

surface

#EEE7EF

border

#C9C3CA

text

#09020B

muted

#7B787C

Preview Lab

Preview with #400B56

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

Preview Lab → · Contrast checker → · Palette generator →