#40318B#40318B

#40318B is a dark, vivid violet. Relative luminance 0.052; OKLCH L 38.6% C 0.143 H 285.1°. Best body text is #FFFFFF at 10.34:1 contrast (WCAG AA passes).

Color values

HEX	#40318B
RGB	rgb(64, 49, 139)
HSL	hsl(250, 48%, 37%)
HSV	hsv(250, 65%, 55%)
CMYK	cmyk(54%, 64.7%, 0%, 45.5%)
CIE-LAB	lab(27.16, 31.91, -48.06)
CIE-LCH	lch(27.16, 57.69, 303.59°)
OKLab	oklab(38.55% 0.0373 -0.1378)
OKLCH	oklch(38.55% 0.143 285.1)
XYZ	xyz(7.8715, 5.1503, 25.0004)
Luminance	0.0515 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40318B #7C8B31

analogous

#314F8B #40318B #6D318B

triadic

#40318B #8B4031 #318B40

tetradic

#40318B #8B314F #7C8B31 #318B6D

square

#40318B #8B314F #7C8B31 #318B6D

split-complementary

#40318B #8B6D31 #4F8B31

monochromatic

#161131 #2B215E #40318B #5541B8 #7B6BCB

Accessibility & contrast

On white

10.34

#40318B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#40318B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40318B

10.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40318B	#FFFFFF	#000000	##FFFFFF
##40318B	1.00	10.34	2.03	10.34
#FFFFFF	10.34	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438E

Deuteranopia (green-blind)

#003D89

Tritanopia (blue-blind)

#224759

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #40318b;
/* rgb */ color: rgb(64, 49, 139);
/* oklch */ color: oklch(38.6% 0.143 285.1);

Tailwind

colors: {
  custom: {
    50: '#7c6aae',
    500: '#40318b',
    950: '#000000',
  },
}

SCSS

$custom: #40318b;
$custom-light: #7c6aae;
$custom-dark: #000000;

JSON

{
  "hex": "#40318b",
  "rgb": {
    "r": 64,
    "g": 49,
    "b": 139
  },
  "hsl": {
    "h": 250,
    "s": 47.872,
    "l": 36.863
  },
  "oklch": {
    "l": 0.38553,
    "c": 0.14281,
    "h": 285.1
  },
  "luminance": 0.05151
}

Semantic roles & 50–950 ramp

primary

#40318B

secondary

#A6B265

accent

#D750C1

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #40318B

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

Preview Lab → · Contrast checker → · Palette generator →