#3818A1#3818A1

#3818A1 is a dark, vivid violet. Relative luminance 0.041; OKLCH L 36.7% C 0.197 H 281.3°. Best body text is #FFFFFF at 11.58:1 contrast (WCAG AA passes).

Color values

HEX	#3818A1
RGB	rgb(56, 24, 161)
HSL	hsl(254, 74%, 36%)
HSV	hsv(254, 85%, 63%)
CMYK	cmyk(65.2%, 85.1%, 0%, 36.9%)
CIE-LAB	lab(23.89, 50.67, -66.98)
CIE-LCH	lch(23.89, 83.99, 307.11°)
OKLab	oklab(36.71% 0.0386 -0.1933)
OKLCH	oklch(36.71% 0.197 281.3)
XYZ	xyz(8.3885, 4.0666, 34.0542)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3818A1 #81A118

analogous

#183CA1 #3818A1 #7D18A1

triadic

#3818A1 #A13818 #18A138

tetradic

#3818A1 #A1183C #81A118 #18A17D

square

#3818A1 #A1183C #81A118 #18A17D

split-complementary

#3818A1 #A17D18 #3CA118

monochromatic

#130836 #25106C #3818A1 #4B20D6 #724FE5

Accessibility & contrast

On white

11.58

#3818A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#3818A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3818A1

11.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3818A1	#FFFFFF	#000000	##FFFFFF
##3818A1	1.00	11.58	1.81	11.58
#FFFFFF	11.58	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#00349F

Tritanopia (blue-blind)

#00445F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #3818a1;
/* rgb */ color: rgb(56, 24, 161);
/* oklch */ color: oklch(36.7% 0.197 281.3);

Tailwind

colors: {
  custom: {
    50: '#7e5cbe',
    500: '#3818a1',
    950: '#000000',
  },
}

SCSS

$custom: #3818a1;
$custom-light: #7e5cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3818a1",
  "rgb": {
    "r": 56,
    "g": 24,
    "b": 161
  },
  "hsl": {
    "h": 254.015,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36707,
    "c": 0.19709,
    "h": 281.3
  },
  "luminance": 0.04067
}

Semantic roles & 50–950 ramp

primary

#3818A1

secondary

#ABC74E

accent

#F137C5

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #3818A1

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

Preview Lab → · Contrast checker → · Palette generator →