#40255B#40255B

#40255B is a dark, moderate violet. Relative luminance 0.032; OKLCH L 32.7% C 0.095 H 304.8°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#40255B
RGB	rgb(64, 37, 91)
HSL	hsl(270, 42%, 25%)
HSV	hsv(270, 59%, 36%)
CMYK	cmyk(29.7%, 59.3%, 0%, 64.3%)
CIE-LAB	lab(20.71, 24.83, -27.73)
CIE-LCH	lch(20.71, 37.22, 311.85°)
OKLab	oklab(32.69% 0.0543 -0.0781)
OKLCH	oklch(32.69% 0.095 304.8)
XYZ	xyz(4.6638, 3.1685, 10.2614)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40255B #405B25

analogous

#25255B #40255B #5B255B

triadic

#40255B #5B4025 #255B40

tetradic

#40255B #5B2525 #405B25 #255B5B

square

#40255B #5B2525 #405B25 #255B5B

split-complementary

#40255B #5B5B25 #255B25

monochromatic

#0F0916 #21132F #40255B #5F3787 #7D48B2

Accessibility & contrast

On white

12.86

#40255B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#40255B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40255B

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40255B	#FFFFFF	#000000	##FFFFFF
##40255B	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#12315D

Deuteranopia (green-blind)

#1B325A

Tritanopia (blue-blind)

#3B2F3C

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #40255b;
/* rgb */ color: rgb(64, 37, 91);
/* oklch */ color: oklch(32.7% 0.095 304.8);

Tailwind

colors: {
  custom: {
    50: '#77608a',
    500: '#40255b',
    950: '#000000',
  },
}

SCSS

$custom: #40255b;
$custom-light: #77608a;
$custom-dark: #000000;

JSON

{
  "hex": "#40255b",
  "rgb": {
    "r": 64,
    "g": 37,
    "b": 91
  },
  "hsl": {
    "h": 270,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.32689,
    "c": 0.09511,
    "h": 304.8
  },
  "luminance": 0.03168
}

Semantic roles & 50–950 ramp

primary

#40255B

secondary

#6E8E4D

accent

#D25694

background

#F7F5F8

surface

#EDE9F0

border

#C8C5CB

text

#09050B

muted

#7B797C

Preview Lab

Preview with #40255B

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

Preview Lab → · Contrast checker → · Palette generator →