#40278F#40278F

#40278F is a dark, vivid violet. Relative luminance 0.045; OKLCH L 37.3% C 0.161 H 286.8°. Best body text is #FFFFFF at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#40278F
RGB	rgb(64, 39, 143)
HSL	hsl(254, 57%, 36%)
HSV	hsv(254, 73%, 56%)
CMYK	cmyk(55.2%, 72.7%, 0%, 43.9%)
CIE-LAB	lab(25.33, 39.09, -53.52)
CIE-LCH	lch(25.33, 66.27, 306.14°)
OKLab	oklab(37.35% 0.0465 -0.1539)
OKLCH	oklch(37.35% 0.161 286.8)
XYZ	xyz(7.7963, 4.5238, 26.4436)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40278F #768F27

analogous

#27428F #40278F #74278F

triadic

#40278F #8F4027 #278F40

tetradic

#40278F #8F2742 #768F27 #278F74

square

#40278F #8F2742 #768F27 #278F74

split-complementary

#40278F #8F7427 #428F27

monochromatic

#150D2F #2A1A5F #40278F #5634BF #7A5DD3

Accessibility & contrast

On white

11.02

#40278F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#40278F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40278F

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40278F	#FFFFFF	#000000	##FFFFFF
##40278F	1.00	11.02	1.90	11.02
#FFFFFF	11.02	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F92

Deuteranopia (green-blind)

#00398D

Tritanopia (blue-blind)

#1F4358

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #40278f;
/* rgb */ color: rgb(64, 39, 143);
/* oklch */ color: oklch(37.3% 0.161 286.8);

Tailwind

colors: {
  custom: {
    50: '#7e63b1',
    500: '#40278f',
    950: '#000000',
  },
}

SCSS

$custom: #40278f;
$custom-light: #7e63b1;
$custom-dark: #000000;

JSON

{
  "hex": "#40278f",
  "rgb": {
    "r": 64,
    "g": 39,
    "b": 143
  },
  "hsl": {
    "h": 254.423,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.37346,
    "c": 0.16075,
    "h": 286.8
  },
  "luminance": 0.04524
}

Semantic roles & 50–950 ramp

primary

#40278F

secondary

#A1B85A

accent

#E047BC

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0B0511

muted

#7C7A80

Preview Lab

Preview with #40278F

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

Preview Lab → · Contrast checker → · Palette generator →