#40188F#40188F

#40188F is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.5% C 0.176 H 289.3°. Best body text is #FFFFFF at 12.03:1 contrast (WCAG AA passes).

Color values

HEX	#40188F
RGB	rgb(64, 24, 143)
HSL	hsl(260, 71%, 33%)
HSV	hsv(260, 83%, 56%)
CMYK	cmyk(55.2%, 83.2%, 0%, 43.9%)
CIE-LAB	lab(22.74, 46.48, -57.77)
CIE-LCH	lch(22.74, 74.15, 308.82°)
OKLab	oklab(35.53% 0.0581 -0.1662)
OKLCH	oklch(35.53% 0.176 289.3)
XYZ	xyz(7.3975, 3.7261, 26.3107)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40188F #678F18

analogous

#182C8F #40188F #7B188F

triadic

#40188F #8F4018 #188F40

tetradic

#40188F #8F182C #678F18 #188F7B

square

#40188F #8F182C #678F18 #188F7B

split-complementary

#40188F #8F7B18 #2C8F18

monochromatic

#110626 #290F5B #40188F #5721C3 #7742DF

Accessibility & contrast

On white

12.03

#40188F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#40188F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40188F

12.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40188F	#FFFFFF	#000000	##FFFFFF
##40188F	1.00	12.03	1.75	12.03
#FFFFFF	12.03	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003992

Deuteranopia (green-blind)

#00338D

Tritanopia (blue-blind)

#203C55

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #40188f;
/* rgb */ color: rgb(64, 24, 143);
/* oklch */ color: oklch(35.5% 0.176 289.3);

Tailwind

colors: {
  custom: {
    50: '#7f5bb1',
    500: '#40188f',
    950: '#000000',
  },
}

SCSS

$custom: #40188f;
$custom-light: #7f5bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#40188f",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 143
  },
  "hsl": {
    "h": 260.168,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35532,
    "c": 0.17605,
    "h": 289.3
  },
  "luminance": 0.03726
}

Semantic roles & 50–950 ramp

primary

#40188F

secondary

#96C043

accent

#EE3AB1

background

#F8F5FB

surface

#EFE9F6

border

#CAC5D0

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #40188F

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

Preview Lab → · Contrast checker → · Palette generator →