#400C51#400C51

#400C51 is a dark, vivid purple. Relative luminance 0.019; OKLCH L 28.5% C 0.121 H 316.0°. Best body text is #FFFFFF at 15.11:1 contrast (WCAG AA passes).

Color values

HEX	#400C51
RGB	rgb(64, 12, 81)
HSL	hsl(285, 74%, 18%)
HSV	hsv(285, 85%, 32%)
CMYK	cmyk(21%, 85.2%, 0%, 68.2%)
CIE-LAB	lab(15.21, 35.41, -29.83)
CIE-LCH	lch(15.21, 46.30, 319.89°)
OKLab	oklab(28.49% 0.0871 -0.0841)
OKLCH	oklch(28.49% 0.121 316)
XYZ	xyz(3.7308, 1.9472, 7.9623)
Luminance	0.0195 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#400C51 #1D510C

analogous

#1D0C51 #400C51 #510C3F

triadic

#400C51 #51400C #0C5140

tetradic

#400C51 #511D0C #1D510C #0C3F51

square

#400C51 #511D0C #1D510C #0C3F51

split-complementary

#400C51 #3F510C #0C511D

monochromatic

#15041B #16041C #400C51 #6A1486 #941CBC

Accessibility & contrast

On white

15.11

#400C51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#400C51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #400C51

15.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##400C51	#FFFFFF	#000000	##FFFFFF
##400C51	1.00	15.11	1.39	15.11
#FFFFFF	15.11	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002353

Deuteranopia (green-blind)

#0B2750

Tritanopia (blue-blind)

#3F1C2E

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #400c51;
/* rgb */ color: rgb(64, 12, 81);
/* oklch */ color: oklch(28.5% 0.121 316.0);

Tailwind

colors: {
  custom: {
    50: '#785282',
    500: '#400c51',
    950: '#000000',
  },
}

SCSS

$custom: #400c51;
$custom-light: #785282;
$custom-dark: #000000;

JSON

{
  "hex": "#400c51",
  "rgb": {
    "r": 64,
    "g": 12,
    "b": 81
  },
  "hsl": {
    "h": 285.217,
    "s": 74.194,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28489,
    "c": 0.1211,
    "h": 316
  },
  "luminance": 0.01947
}

Semantic roles & 50–950 ramp

primary

#400C51

secondary

#448C2C

accent

#F13765

background

#F7F4F8

surface

#EDE7EF

border

#C8C3CA

text

#09020A

muted

#7B787C

Preview Lab

Preview with #400C51

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

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