#40308F#40308F

#40308F is a dark, vivid violet. Relative luminance 0.052; OKLCH L 38.7% C 0.150 H 284.7°. Best body text is #FFFFFF at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#40308F
RGB	rgb(64, 48, 143)
HSL	hsl(250, 50%, 37%)
HSV	hsv(250, 66%, 56%)
CMYK	cmyk(55.2%, 66.4%, 0%, 43.9%)
CIE-LAB	lab(27.26, 33.82, -50.37)
CIE-LCH	lch(27.26, 60.67, 303.88°)
OKLab	oklab(38.73% 0.038 -0.1446)
OKLCH	oklch(38.73% 0.15 284.7)
XYZ	xyz(8.1277, 5.1866, 26.5541)
Luminance	0.0519 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40308F #7F8F30

analogous

#30508F #40308F #6F308F

triadic

#40308F #8F4030 #308F40

tetradic

#40308F #8F3050 #7F8F30 #308F6F

square

#40308F #8F3050 #7F8F30 #308F6F

split-complementary

#40308F #8F6F30 #508F30

monochromatic

#171133 #2B2161 #40308F #553FBD #7C6CCE

Accessibility & contrast

On white

10.31

#40308F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#40308F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40308F

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40308F	#FFFFFF	#000000	##FFFFFF
##40308F	1.00	10.31	2.04	10.31
#FFFFFF	10.31	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004392

Deuteranopia (green-blind)

#003D8D

Tritanopia (blue-blind)

#1E485B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #40308f;
/* rgb */ color: rgb(64, 48, 143);
/* oklch */ color: oklch(38.7% 0.150 284.7);

Tailwind

colors: {
  custom: {
    50: '#7d69b1',
    500: '#40308f',
    950: '#000000',
  },
}

SCSS

$custom: #40308f;
$custom-light: #7d69b1;
$custom-dark: #000000;

JSON

{
  "hex": "#40308f",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 143
  },
  "hsl": {
    "h": 250.105,
    "s": 49.738,
    "l": 37.451
  },
  "oklch": {
    "l": 0.3873,
    "c": 0.14955,
    "h": 284.7
  },
  "luminance": 0.05187
}

Semantic roles & 50–950 ramp

primary

#40308F

secondary

#A8B566

accent

#D94FC2

background

#F8F6FB

surface

#EFEBF6

border

#CAC6D0

text

#0A0611

muted

#7C7A80

Preview Lab

Preview with #40308F

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

Preview Lab → · Contrast checker → · Palette generator →