#3B18A1#3B18A1

#3B18A1 is a dark, vivid violet. Relative luminance 0.042; OKLCH L 37.0% C 0.197 H 282.7°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#3B18A1
RGB	rgb(59, 24, 161)
HSL	hsl(255, 74%, 36%)
HSV	hsv(255, 85%, 63%)
CMYK	cmyk(63.4%, 85.1%, 0%, 36.9%)
CIE-LAB	lab(24.18, 50.94, -66.49)
CIE-LCH	lch(24.18, 83.77, 307.46°)
OKLab	oklab(36.98% 0.0434 -0.1918)
OKLCH	oklch(36.98% 0.197 282.7)
XYZ	xyz(8.5613, 4.1557, 34.0623)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B18A1 #7EA118

analogous

#183AA1 #3B18A1 #8018A1

triadic

#3B18A1 #A13B18 #18A13B

tetradic

#3B18A1 #A1183A #7EA118 #18A180

square

#3B18A1 #A1183A #7EA118 #18A180

split-complementary

#3B18A1 #A18018 #3AA118

monochromatic

#140836 #27106C #3B18A1 #4F20D6 #754FE5

Accessibility & contrast

On white

11.47

#3B18A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#3B18A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B18A1

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B18A1	#FFFFFF	#000000	##FFFFFF
##3B18A1	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA5

Deuteranopia (green-blind)

#00359F

Tritanopia (blue-blind)

#00445F

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #3b18a1;
/* rgb */ color: rgb(59, 24, 161);
/* oklch */ color: oklch(37.0% 0.197 282.7);

Tailwind

colors: {
  custom: {
    50: '#7f5cbe',
    500: '#3b18a1',
    950: '#000000',
  },
}

SCSS

$custom: #3b18a1;
$custom-light: #7f5cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#3b18a1",
  "rgb": {
    "r": 59,
    "g": 24,
    "b": 161
  },
  "hsl": {
    "h": 255.328,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.36975,
    "c": 0.19661,
    "h": 282.7
  },
  "luminance": 0.04156
}

Semantic roles & 50–950 ramp

primary

#3B18A1

secondary

#A8C74E

accent

#F137C1

background

#F8F5FB

surface

#F0E9F7

border

#CBC5D0

text

#0C0412

muted

#7D7981

Preview Lab

Preview with #3B18A1

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

Preview Lab → · Contrast checker → · Palette generator →