#40317C#40317C

#40317C is a dark, vivid violet. Relative luminance 0.047; OKLCH L 37.3% C 0.122 H 288.2°. Best body text is #FFFFFF at 10.78:1 contrast (WCAG AA passes).

Color values

HEX	#40317C
RGB	rgb(64, 49, 124)
HSL	hsl(252, 43%, 34%)
HSV	hsv(252, 60%, 49%)
CMYK	cmyk(48.4%, 60.5%, 0%, 51.4%)
CIE-LAB	lab(25.99, 27.10, -40.57)
CIE-LCH	lch(25.99, 48.79, 303.74°)
OKLab	oklab(37.32% 0.0382 -0.1158)
OKLCH	oklch(37.32% 0.122 288.2)
XYZ	xyz(6.8497, 4.7416, 19.6192)
Luminance	0.0474 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40317C #6D7C31

analogous

#31487C #40317C #66317C

triadic

#40317C #7C4031 #317C40

tetradic

#40317C #7C3148 #6D7C31 #317C66

square

#40317C #7C3148 #6D7C31 #317C66

split-complementary

#40317C #7C6631 #487C31

monochromatic

#130E24 #292050 #40317C #5742A8 #7865C2

Accessibility & contrast

On white

10.78

#40317C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#40317C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40317C

10.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40317C	#FFFFFF	#000000	##FFFFFF
##40317C	1.00	10.78	1.95	10.78
#FFFFFF	10.78	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F7E

Deuteranopia (green-blind)

#003C7A

Tritanopia (blue-blind)

#2D4251

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #40317c;
/* rgb */ color: rgb(64, 49, 124);
/* oklch */ color: oklch(37.3% 0.122 288.2);

Tailwind

colors: {
  custom: {
    50: '#7a69a2',
    500: '#40317c',
    950: '#000000',
  },
}

SCSS

$custom: #40317c;
$custom-light: #7a69a2;
$custom-dark: #000000;

JSON

{
  "hex": "#40317c",
  "rgb": {
    "r": 64,
    "g": 49,
    "b": 124
  },
  "hsl": {
    "h": 252,
    "s": 43.353,
    "l": 33.922
  },
  "oklch": {
    "l": 0.37324,
    "c": 0.12197,
    "h": 288.2
  },
  "luminance": 0.04742
}

Semantic roles & 50–950 ramp

primary

#40317C

secondary

#9BAA5F

accent

#D355BA

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A060F

muted

#7C7A7F

Preview Lab

Preview with #40317C

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

Preview Lab → · Contrast checker → · Palette generator →