#3818B3#3818B3

#3818B3 is a dark, highly saturated violet. Relative luminance 0.047; OKLCH L 38.8% C 0.217 H 278.5°. Best body text is #FFFFFF at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#3818B3
RGB	rgb(56, 24, 179)
HSL	hsl(252, 76%, 40%)
HSV	hsv(252, 87%, 70%)
CMYK	cmyk(68.7%, 86.6%, 0%, 29.8%)
CIE-LAB	lab(26.00, 55.71, -74.34)
CIE-LCH	lch(26.00, 92.90, 306.85°)
OKLab	oklab(38.76% 0.0322 -0.2146)
OKLCH	oklch(38.76% 0.217 278.5)
XYZ	xyz(10.0916, 4.7478, 43.0237)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3818B3 #93B318

analogous

#1846B3 #3818B3 #8618B3

triadic

#3818B3 #B33818 #18B338

tetradic

#3818B3 #B31846 #93B318 #18B386

square

#3818B3 #B31846 #93B318 #18B386

split-complementary

#3818B3 #B38618 #46B318

monochromatic

#160A47 #27117D #3818B3 #4D26E2 #795CE9

Accessibility & contrast

On white

10.77

#3818B3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#3818B3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3818B3

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3818B3	#FFFFFF	#000000	##FFFFFF
##3818B3	1.00	10.77	1.95	10.77
#FFFFFF	10.77	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B7

Deuteranopia (green-blind)

#0037B0

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #3818b3;
/* rgb */ color: rgb(56, 24, 179);
/* oklch */ color: oklch(38.8% 0.217 278.5);

Tailwind

colors: {
  custom: {
    50: '#825dcb',
    500: '#3818b3',
    950: '#000000',
  },
}

SCSS

$custom: #3818b3;
$custom-light: #825dcb;
$custom-dark: #000000;

JSON

{
  "hex": "#3818b3",
  "rgb": {
    "r": 56,
    "g": 24,
    "b": 179
  },
  "hsl": {
    "h": 252.387,
    "s": 76.355,
    "l": 39.804
  },
  "oklch": {
    "l": 0.38762,
    "c": 0.21705,
    "h": 278.5
  },
  "luminance": 0.04749
}

Semantic roles & 50–950 ramp

primary

#3818B3

secondary

#B5CD5A

accent

#F335CC

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3818B3

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

Preview Lab → · Contrast checker → · Palette generator →