#40287C#40287C

#40287C is a dark, vivid violet. Relative luminance 0.041; OKLCH L 35.8% C 0.135 H 291.2°. Best body text is #FFFFFF at 11.59:1 contrast (WCAG AA passes).

Color values

HEX	#40287C
RGB	rgb(64, 40, 124)
HSL	hsl(257, 51%, 32%)
HSV	hsv(257, 68%, 49%)
CMYK	cmyk(48.4%, 67.7%, 0%, 51.4%)
CIE-LAB	lab(23.88, 32.69, -43.99)
CIE-LCH	lch(23.88, 54.81, 306.62°)
OKLab	oklab(35.79% 0.0488 -0.1259)
OKLCH	oklch(35.79% 0.135 291.2)
XYZ	xyz(6.5102, 4.0626, 19.5060)
Luminance	0.0406 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

#4B006E

ΔE00 7.79

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40287C #647C28

analogous

#283A7C #40287C #6A287C

triadic

#40287C #7C4028 #287C40

tetradic

#40287C #7C283A #647C28 #287C6A

square

#40287C #7C283A #647C28 #287C6A

split-complementary

#40287C #7C6A28 #3A7C28

monochromatic

#100A1F #28194E #40287C #5837AA #7756C8

Accessibility & contrast

On white

11.59

#40287C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#40287C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40287C

11.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40287C	#FFFFFF	#000000	##FFFFFF
##40287C	1.00	11.59	1.81	11.59
#FFFFFF	11.59	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A7F

Deuteranopia (green-blind)

#00377A

Tritanopia (blue-blind)

#2D3C4E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #40287c;
/* rgb */ color: rgb(64, 40, 124);
/* oklch */ color: oklch(35.8% 0.135 291.2);

Tailwind

colors: {
  custom: {
    50: '#7a63a3',
    500: '#40287c',
    950: '#000000',
  },
}

SCSS

$custom: #40287c;
$custom-light: #7a63a3;
$custom-dark: #000000;

JSON

{
  "hex": "#40287c",
  "rgb": {
    "r": 64,
    "g": 40,
    "b": 124
  },
  "hsl": {
    "h": 257.143,
    "s": 51.22,
    "l": 32.157
  },
  "oklch": {
    "l": 0.35787,
    "c": 0.13502,
    "h": 291.2
  },
  "luminance": 0.04063
}

Semantic roles & 50–950 ramp

primary

#40287C

secondary

#93AD52

accent

#DB4DB2

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A050F

muted

#7C7A7F

Preview Lab

Preview with #40287C

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

Preview Lab → · Contrast checker → · Palette generator →