#40187C#40187C

#40187C is a dark, vivid violet. Relative luminance 0.032; OKLCH L 33.6% C 0.155 H 294.7°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#40187C
RGB	rgb(64, 24, 124)
HSL	hsl(264, 68%, 29%)
HSV	hsv(264, 81%, 49%)
CMYK	cmyk(48.4%, 80.6%, 0%, 51.4%)
CIE-LAB	lab(20.82, 41.23, -48.98)
CIE-LCH	lch(20.82, 64.03, 310.09°)
OKLab	oklab(33.62% 0.0645 -0.1405)
OKLCH	oklch(33.62% 0.155 294.7)
XYZ	xyz(6.0781, 3.1983, 19.3620)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40187C #547C18

analogous

#18227C #40187C #72187C

triadic

#40187C #7C4018 #187C40

tetradic

#40187C #7C1822 #547C18 #187C72

square

#40187C #7C1822 #547C18 #187C72

split-complementary

#40187C #7C7218 #227C18

monochromatic

#0D051A #260E49 #40187C #5A22AF #7736D8

Accessibility & contrast

On white

12.81

#40187C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#40187C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #40187C

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40187C	#FFFFFF	#000000	##FFFFFF
##40187C	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337F

Deuteranopia (green-blind)

#00307A

Tritanopia (blue-blind)

#2E344A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #40187c;
/* rgb */ color: rgb(64, 24, 124);
/* oklch */ color: oklch(33.6% 0.155 294.7);

Tailwind

colors: {
  custom: {
    50: '#7c5aa3',
    500: '#40187c',
    950: '#000000',
  },
}

SCSS

$custom: #40187c;
$custom-light: #7c5aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#40187c",
  "rgb": {
    "r": 64,
    "g": 24,
    "b": 124
  },
  "hsl": {
    "h": 264,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.33617,
    "c": 0.15458,
    "h": 294.7
  },
  "luminance": 0.03198
}

Semantic roles & 50–950 ramp

primary

#40187C

secondary

#83B13F

accent

#EA3DA5

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A040F

muted

#7C797F

Preview Lab

Preview with #40187C

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

Preview Lab → · Contrast checker → · Palette generator →