#40237E#40237E

#40237E is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.2% C 0.144 H 291.9°. Best body text is #FFFFFF at 11.93:1 contrast (WCAG AA passes).

Color values

HEX	#40237E
RGB	rgb(64, 35, 126)
HSL	hsl(259, 57%, 32%)
HSV	hsv(259, 72%, 49%)
CMYK	cmyk(49.2%, 72.2%, 0%, 50.6%)
CIE-LAB	lab(22.99, 36.19, -46.70)
CIE-LCH	lch(22.99, 59.08, 307.77°)
OKLab	oklab(35.21% 0.0538 -0.1338)
OKLCH	oklch(35.21% 0.144 291.9)
XYZ	xyz(6.4802, 3.7982, 20.1263)
Luminance	0.0380 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40237E #617E23

analogous

#23347E #40237E #6E237E

triadic

#40237E #7E4023 #237E40

tetradic

#40237E #7E2334 #617E23 #237E6E

square

#40237E #7E2334 #617E23 #237E6E

split-complementary

#40237E #7E6E23 #347E23

monochromatic

#0F081E #28164E #40237E #5830AE #764ECE

Accessibility & contrast

On white

11.93

#40237E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#40237E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40237E

11.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40237E	#FFFFFF	#000000	##FFFFFF
##40237E	1.00	11.93	1.76	11.93
#FFFFFF	11.93	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003881

Deuteranopia (green-blind)

#00357C

Tritanopia (blue-blind)

#2D3A4E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #40237e;
/* rgb */ color: rgb(64, 35, 126);
/* oklch */ color: oklch(35.2% 0.144 291.9);

Tailwind

colors: {
  custom: {
    50: '#7b60a4',
    500: '#40237e',
    950: '#000000',
  },
}

SCSS

$custom: #40237e;
$custom-light: #7b60a4;
$custom-dark: #000000;

JSON

{
  "hex": "#40237e",
  "rgb": {
    "r": 64,
    "g": 35,
    "b": 126
  },
  "hsl": {
    "h": 259.121,
    "s": 56.522,
    "l": 31.569
  },
  "oklch": {
    "l": 0.35206,
    "c": 0.14425,
    "h": 291.9
  },
  "luminance": 0.03798
}

Semantic roles & 50–950 ramp

primary

#40237E

secondary

#91B04C

accent

#E048AF

background

#F7F5FA

surface

#EEEAF4

border

#C9C6CE

text

#0A050F

muted

#7C797F

Preview Lab

Preview with #40237E

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

Preview Lab → · Contrast checker → · Palette generator →