#40308C#40308C

#40308C is a dark, vivid violet. Relative luminance 0.051; OKLCH L 38.5% C 0.146 H 285.3°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#40308C
RGB	rgb(64, 48, 140)
HSL	hsl(250, 49%, 37%)
HSV	hsv(250, 66%, 55%)
CMYK	cmyk(54.3%, 65.7%, 0%, 45.1%)
CIE-LAB	lab(27.01, 32.85, -48.92)
CIE-LCH	lch(27.01, 58.93, 303.88°)
OKLab	oklab(38.47% 0.0383 -0.1404)
OKLCH	oklch(38.47% 0.146 285.3)
XYZ	xyz(7.9035, 5.0969, 25.3732)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40308C #7C8C30

analogous

#304E8C #40308C #6E308C

triadic

#40308C #8C4030 #308C40

tetradic

#40308C #8C304E #7C8C30 #308C6E

square

#40308C #8C304E #7C8C30 #308C6E

split-complementary

#40308C #8C6E30 #4E8C30

monochromatic

#161131 #2B205E #40308C #5540BA #7B6ACC

Accessibility & contrast

On white

10.40

#40308C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#40308C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40308C

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40308C	#FFFFFF	#000000	##FFFFFF
##40308C	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00428F

Deuteranopia (green-blind)

#003D8A

Tritanopia (blue-blind)

#214759

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #40308c;
/* rgb */ color: rgb(64, 48, 140);
/* oklch */ color: oklch(38.5% 0.146 285.3);

Tailwind

colors: {
  custom: {
    50: '#7c69ae',
    500: '#40308c',
    950: '#000000',
  },
}

SCSS

$custom: #40308c;
$custom-light: #7c69ae;
$custom-dark: #000000;

JSON

{
  "hex": "#40308c",
  "rgb": {
    "r": 64,
    "g": 48,
    "b": 140
  },
  "hsl": {
    "h": 250.435,
    "s": 48.936,
    "l": 36.863
  },
  "oklch": {
    "l": 0.3847,
    "c": 0.14552,
    "h": 285.3
  },
  "luminance": 0.05097
}

Semantic roles & 50–950 ramp

primary

#40308C

secondary

#A6B364

accent

#D84FC1

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0610

muted

#7C7A7F

Preview Lab

Preview with #40308C

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

Preview Lab → · Contrast checker → · Palette generator →