#40278D#40278D

#40278D is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.2% C 0.158 H 287.2°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#40278D
RGB	rgb(64, 39, 141)
HSL	hsl(255, 57%, 35%)
HSV	hsv(255, 72%, 55%)
CMYK	cmyk(54.6%, 72.3%, 0%, 44.7%)
CIE-LAB	lab(25.15, 38.48, -52.58)
CIE-LCH	lch(25.15, 65.15, 306.20°)
OKLab	oklab(37.16% 0.0469 -0.1511)
OKLCH	oklch(37.16% 0.158 287.2)
XYZ	xyz(7.6462, 4.4637, 25.6528)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40278D #748D27

analogous

#27418D #40278D #73278D

triadic

#40278D #8D4027 #278D40

tetradic

#40278D #8D2741 #748D27 #278D73

square

#40278D #8D2741 #748D27 #278D73

split-complementary

#40278D #8D7327 #418D27

monochromatic

#140C2D #2A1A5D #40278D #5634BD #795CD2

Accessibility & contrast

On white

11.09

#40278D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#40278D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40278D

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40278D	#FFFFFF	#000000	##FFFFFF
##40278D	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E90

Deuteranopia (green-blind)

#00398B

Tritanopia (blue-blind)

#214257

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #40278d;
/* rgb */ color: rgb(64, 39, 141);
/* oklch */ color: oklch(37.2% 0.158 287.2);

Tailwind

colors: {
  custom: {
    50: '#7d63af',
    500: '#40278d',
    950: '#000000',
  },
}

SCSS

$custom: #40278d;
$custom-light: #7d63af;
$custom-dark: #000000;

JSON

{
  "hex": "#40278d",
  "rgb": {
    "r": 64,
    "g": 39,
    "b": 141
  },
  "hsl": {
    "h": 254.706,
    "s": 56.667,
    "l": 35.294
  },
  "oklch": {
    "l": 0.37159,
    "c": 0.15823,
    "h": 287.2
  },
  "luminance": 0.04464
}

Semantic roles & 50–950 ramp

primary

#40278D

secondary

#A0B759

accent

#E048BB

background

#F8F6FA

surface

#EFEBF5

border

#CAC6CF

text

#0B0510

muted

#7C7A7F

Preview Lab

Preview with #40278D

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

Preview Lab → · Contrast checker → · Palette generator →