#40289F#40289F

#40289F is a dark, vivid violet. Relative luminance 0.051; OKLCH L 39.0% C 0.179 H 283.6°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#40289F
RGB	rgb(64, 40, 159)
HSL	hsl(252, 60%, 39%)
HSV	hsv(252, 75%, 62%)
CMYK	cmyk(59.7%, 74.8%, 0%, 37.6%)
CIE-LAB	lab(27.05, 43.44, -60.53)
CIE-LCH	lch(27.05, 74.50, 305.66°)
OKLab	oklab(39.02% 0.042 -0.1744)
OKLCH	oklch(39.02% 0.179 283.6)
XYZ	xyz(9.1292, 5.1102, 33.2995)
Luminance	0.0511 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40289F #879F28

analogous

#284C9F #40289F #7C289F

triadic

#40289F #9F4028 #289F40

tetradic

#40289F #9F284C #879F28 #289F7C

square

#40289F #9F284C #879F28 #289F7C

split-complementary

#40289F #9F7C28 #4C9F28

monochromatic

#190F3D #2C1C6E #40289F #5637CD #7F68D9

Accessibility & contrast

On white

10.38

#40289F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#40289F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40289F

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40289F	#FFFFFF	#000000	##FFFFFF
##40289F	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043A2

Deuteranopia (green-blind)

#003C9D

Tritanopia (blue-blind)

#024961

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #40289f;
/* rgb */ color: rgb(64, 40, 159);
/* oklch */ color: oklch(39.0% 0.179 283.6);

Tailwind

colors: {
  custom: {
    50: '#8065bc',
    500: '#40289f',
    950: '#000000',
  },
}

SCSS

$custom: #40289f;
$custom-light: #8065bc;
$custom-dark: #000000;

JSON

{
  "hex": "#40289f",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 159
  },
  "hsl": {
    "h": 252.101,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.39024,
    "c": 0.17941,
    "h": 283.6
  },
  "luminance": 0.05111
}

Semantic roles & 50–950 ramp

primary

#40289F

secondary

#ADBF64

accent

#E345C3

background

#F8F6FB

surface

#F0EBF7

border

#CBC6D0

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #40289F

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

Preview Lab → · Contrast checker → · Palette generator →