#400B4B#400B4B

#400B4B is a dark, moderate purple. Relative luminance 0.018; OKLCH L 27.9% C 0.116 H 319.9°. Best body text is #FFFFFF at 15.36:1 contrast (WCAG AA passes).

Color values

HEX	#400B4B
RGB	rgb(64, 11, 75)
HSL	hsl(290, 74%, 17%)
HSV	hsv(290, 85%, 29%)
CMYK	cmyk(14.7%, 85.3%, 0%, 70.6%)
CIE-LAB	lab(14.61, 34.47, -26.67)
CIE-LCH	lch(14.61, 43.58, 322.27°)
OKLab	oklab(27.92% 0.089 -0.0749)
OKLCH	oklch(27.92% 0.116 319.9)
XYZ	xyz(3.5039, 1.8375, 6.8254)
Luminance	0.0184 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400B4B #164B0B

analogous

#200B4B #400B4B #4B0B36

triadic

#400B4B #4B400B #0B4B40

tetradic

#400B4B #4B200B #164B0B #0B364B

square

#400B4B #4B200B #164B0B #0B364B

split-complementary

#400B4B #364B0B #0B4B20

monochromatic

#17041B #17041B #400B4B #6E1380 #9B1BB6

Accessibility & contrast

On white

15.36

#400B4B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#400B4B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400B4B

15.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400B4B	#FFFFFF	#000000	##FFFFFF
##400B4B	1.00	15.36	1.37	15.36
#FFFFFF	15.36	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00214D

Deuteranopia (green-blind)

#11274A

Tritanopia (blue-blind)

#40192B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #400b4b;
/* rgb */ color: rgb(64, 11, 75);
/* oklch */ color: oklch(27.9% 0.116 319.9);

Tailwind

colors: {
  custom: {
    50: '#78517e',
    500: '#400b4b',
    950: '#000000',
  },
}

SCSS

$custom: #400b4b;
$custom-light: #78517e;
$custom-dark: #000000;

JSON

{
  "hex": "#400b4b",
  "rgb": {
    "r": 64,
    "g": 11,
    "b": 75
  },
  "hsl": {
    "h": 289.688,
    "s": 74.419,
    "l": 16.863
  },
  "oklch": {
    "l": 0.27919,
    "c": 0.11633,
    "h": 319.9
  },
  "luminance": 0.01837
}

Semantic roles & 50–950 ramp

primary

#400B4B

secondary

#3B872B

accent

#F13757

background

#F7F4F7

surface

#EDE7EE

border

#C8C3C9

text

#09020A

muted

#7B787C

Preview Lab

Preview with #400B4B

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

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