#3618A1#3618A1

#3618A1 is a dark, vivid violet. Relative luminance 0.040; OKLCH L 36.5% C 0.197 H 280.4°. Best body text is #FFFFFF at 11.65:1 contrast (WCAG AA passes).

Color values

HEX	#3618A1
RGB	rgb(54, 24, 161)
HSL	hsl(253, 74%, 36%)
HSV	hsv(253, 85%, 63%)
CMYK	cmyk(66.5%, 85.1%, 0%, 36.9%)
CIE-LAB	lab(23.70, 50.50, -67.30)
CIE-LCH	lch(23.70, 84.14, 306.88°)
OKLab	oklab(36.53% 0.0355 -0.1942)
OKLCH	oklch(36.53% 0.197 280.4)
XYZ	xyz(8.2789, 4.0101, 34.0490)
Luminance	0.0401 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3618A1 #83A118

analogous

#183FA1 #3618A1 #7B18A1

triadic

#3618A1 #A13618 #18A136

tetradic

#3618A1 #A1183F #83A118 #18A17B

square

#3618A1 #A1183F #83A118 #18A17B

split-complementary

#3618A1 #A17B18 #3FA118

monochromatic

#120836 #24106C #3618A1 #4820D6 #704FE5

Accessibility & contrast

On white

11.65

#3618A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#3618A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3618A1

11.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3618A1	#FFFFFF	#000000	##FFFFFF
##3618A1	1.00	11.65	1.80	11.65
#FFFFFF	11.65	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#00339F

Tritanopia (blue-blind)

#00445F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #3618a1;
/* rgb */ color: rgb(54, 24, 161);
/* oklch */ color: oklch(36.5% 0.197 280.4);

Tailwind

colors: {
  custom: {
    50: '#7d5cbe',
    500: '#3618a1',
    950: '#000000',
  },
}

SCSS

$custom: #3618a1;
$custom-light: #7d5cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3618a1",
  "rgb": {
    "r": 54,
    "g": 24,
    "b": 161
  },
  "hsl": {
    "h": 253.139,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36534,
    "c": 0.19745,
    "h": 280.4
  },
  "luminance": 0.04011
}

Semantic roles & 50–950 ramp

primary

#3618A1

secondary

#ACC74E

accent

#F137C8

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0B0412

muted

#7C7981

Preview Lab

Preview with #3618A1

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

Preview Lab → · Contrast checker → · Palette generator →