#40237D#40237D

#40237D is a dark, vivid violet. Relative luminance 0.038; OKLCH L 35.1% C 0.143 H 292.2°. Best body text is #FFFFFF at 11.97:1 contrast (WCAG AA passes).

Color values

HEX	#40237D
RGB	rgb(64, 35, 125)
HSL	hsl(259, 56%, 31%)
HSV	hsv(259, 72%, 49%)
CMYK	cmyk(48.8%, 72%, 0%, 51%)
CIE-LAB	lab(22.90, 35.89, -46.21)
CIE-LCH	lch(22.90, 58.51, 307.84°)
OKLab	oklab(35.12% 0.054 -0.1324)
OKLCH	oklch(35.12% 0.143 292.2)
XYZ	xyz(6.4160, 3.7725, 19.7882)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40237D #607D23

analogous

#23337D #40237D #6D237D

triadic

#40237D #7D4023 #237D40

tetradic

#40237D #7D2333 #607D23 #237D6D

square

#40237D #7D2333 #607D23 #237D6D

split-complementary

#40237D #7D6D23 #337D23

monochromatic

#0F081D #28164D #40237D #5830AD #764DCD

Accessibility & contrast

On white

11.97

#40237D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#40237D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40237D

11.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40237D	#FFFFFF	#000000	##FFFFFF
##40237D	1.00	11.97	1.75	11.97
#FFFFFF	11.97	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003880

Deuteranopia (green-blind)

#00357B

Tritanopia (blue-blind)

#2D3A4D

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #40237d;
/* rgb */ color: rgb(64, 35, 125);
/* oklch */ color: oklch(35.1% 0.143 292.2);

Tailwind

colors: {
  custom: {
    50: '#7b60a3',
    500: '#40237d',
    950: '#000000',
  },
}

SCSS

$custom: #40237d;
$custom-light: #7b60a3;
$custom-dark: #000000;

JSON

{
  "hex": "#40237d",
  "rgb": {
    "r": 64,
    "g": 35,
    "b": 125
  },
  "hsl": {
    "h": 259.333,
    "s": 56.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35116,
    "c": 0.14299,
    "h": 292.2
  },
  "luminance": 0.03773
}

Semantic roles & 50–950 ramp

primary

#40237D

secondary

#90AF4C

accent

#E048AF

background

#F7F5FA

surface

#EEEAF4

border

#C9C6CE

text

#0A050F

muted

#7C797F

Preview Lab

Preview with #40237D

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

Preview Lab → · Contrast checker → · Palette generator →