#3818A7#3818A7

#3818A7 is a dark, highly saturated violet. Relative luminance 0.043; OKLCH L 37.4% C 0.204 H 280.3°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#3818A7
RGB	rgb(56, 24, 167)
HSL	hsl(253, 75%, 37%)
HSV	hsv(253, 86%, 65%)
CMYK	cmyk(66.5%, 85.6%, 0%, 34.5%)
CIE-LAB	lab(24.59, 52.36, -69.47)
CIE-LCH	lch(24.59, 87.00, 307.01°)
OKLab	oklab(37.39% 0.0365 -0.2005)
OKLCH	oklch(37.39% 0.204 280.3)
XYZ	xyz(8.9304, 4.2833, 36.9079)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3818A7 #87A718

analogous

#183FA7 #3818A7 #8018A7

triadic

#3818A7 #A73818 #18A738

tetradic

#3818A7 #A7183F #87A718 #18A780

square

#3818A7 #A7183F #87A718 #18A780

split-complementary

#3818A7 #A78018 #3FA718

monochromatic

#14093C #261071 #3818A7 #4A20DD #7453E6

Accessibility & contrast

On white

11.31

#3818A7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#3818A7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3818A7

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3818A7	#FFFFFF	#000000	##FFFFFF
##3818A7	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAB

Deuteranopia (green-blind)

#0035A5

Tritanopia (blue-blind)

#004763

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #3818a7;
/* rgb */ color: rgb(56, 24, 167);
/* oklch */ color: oklch(37.4% 0.204 280.3);

Tailwind

colors: {
  custom: {
    50: '#7f5cc3',
    500: '#3818a7',
    950: '#000000',
  },
}

SCSS

$custom: #3818a7;
$custom-light: #7f5cc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3818a7",
  "rgb": {
    "r": 56,
    "g": 24,
    "b": 167
  },
  "hsl": {
    "h": 253.427,
    "s": 74.869,
    "l": 37.451
  },
  "oklch": {
    "l": 0.37386,
    "c": 0.2038,
    "h": 280.3
  },
  "luminance": 0.04284
}

Semantic roles & 50–950 ramp

primary

#3818A7

secondary

#AEC952

accent

#F136C8

background

#F8F5FC

surface

#F0E9F8

border

#CBC5D1

text

#0C0413

muted

#7D7982

Preview Lab

Preview with #3818A7

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

Preview Lab → · Contrast checker → · Palette generator →