#40188D#40188D

#40188D is a dark, vivid violet. Relative luminance 0.037; OKLCH L 35.3% C 0.174 H 289.8°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#40188D
RGB	rgb(64, 24, 141)
HSL	hsl(261, 71%, 32%)
HSV	hsv(261, 83%, 55%)
CMYK	cmyk(54.6%, 83%, 0%, 44.7%)
CIE-LAB	lab(22.54, 45.92, -56.87)
CIE-LCH	lch(22.54, 73.10, 308.92°)
OKLab	oklab(35.33% 0.0588 -0.1636)
OKLCH	oklch(35.33% 0.174 289.8)
XYZ	xyz(7.2473, 3.6660, 25.5199)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40188D #658D18

analogous

#182A8D #40188D #7B188D

triadic

#40188D #8D4018 #188D40

tetradic

#40188D #8D182A #658D18 #188D7B

square

#40188D #8D182A #658D18 #188D7B

split-complementary

#40188D #8D7B18 #2A8D18

monochromatic

#110624 #280F59 #40188D #5821C1 #7741DF

Accessibility & contrast

On white

12.12

#40188D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#40188D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40188D

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40188D	#FFFFFF	#000000	##FFFFFF
##40188D	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003890

Deuteranopia (green-blind)

#00338B

Tritanopia (blue-blind)

#223B53

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #40188d;
/* rgb */ color: rgb(64, 24, 141);
/* oklch */ color: oklch(35.3% 0.174 289.8);

Tailwind

colors: {
  custom: {
    50: '#7e5baf',
    500: '#40188d',
    950: '#000000',
  },
}

SCSS

$custom: #40188d;
$custom-light: #7e5baf;
$custom-dark: #000000;

JSON

{
  "hex": "#40188d",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 141
  },
  "hsl": {
    "h": 260.513,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.35325,
    "c": 0.1738,
    "h": 289.8
  },
  "luminance": 0.03666
}

Semantic roles & 50–950 ramp

primary

#40188D

secondary

#94BF42

accent

#EE3AB0

background

#F8F5FA

surface

#EFE9F5

border

#CAC5CF

text

#0B0411

muted

#7C7980

Preview Lab

Preview with #40188D

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

Preview Lab → · Contrast checker → · Palette generator →