#40287D#40287D

#40287D is a dark, vivid violet. Relative luminance 0.041; OKLCH L 35.9% C 0.136 H 290.9°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#40287D
RGB	rgb(64, 40, 125)
HSL	hsl(257, 52%, 32%)
HSV	hsv(257, 68%, 49%)
CMYK	cmyk(48.8%, 68%, 0%, 51%)
CIE-LAB	lab(23.96, 33.00, -44.49)
CIE-LCH	lch(23.96, 55.39, 306.56°)
OKLab	oklab(35.87% 0.0486 -0.1274)
OKLCH	oklch(35.87% 0.136 290.9)
XYZ	xyz(6.5738, 4.0880, 19.8408)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40287D #657D28

analogous

#283B7D #40287D #6A287D

triadic

#40287D #7D4028 #287D40

tetradic

#40287D #7D283B #657D28 #287D6A

square

#40287D #7D283B #657D28 #287D6A

split-complementary

#40287D #7D6A28 #3B7D28

monochromatic

#110A20 #28194F #40287D #5837AB #7756C9

Accessibility & contrast

On white

11.55

#40287D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#40287D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40287D

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40287D	#FFFFFF	#000000	##FFFFFF
##40287D	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A80

Deuteranopia (green-blind)

#00377B

Tritanopia (blue-blind)

#2D3D4F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #40287d;
/* rgb */ color: rgb(64, 40, 125);
/* oklch */ color: oklch(35.9% 0.136 290.9);

Tailwind

colors: {
  custom: {
    50: '#7b63a3',
    500: '#40287d',
    950: '#000000',
  },
}

SCSS

$custom: #40287d;
$custom-light: #7b63a3;
$custom-dark: #000000;

JSON

{
  "hex": "#40287d",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 125
  },
  "hsl": {
    "h": 256.941,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35873,
    "c": 0.13634,
    "h": 290.9
  },
  "luminance": 0.04088
}

Semantic roles & 50–950 ramp

primary

#40287D

secondary

#94AE53

accent

#DB4DB3

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A050F

muted

#7C7A7F

Preview Lab

Preview with #40287D

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

Preview Lab → · Contrast checker → · Palette generator →