#3816B4#3816B4

#3816B4 is a dark, highly saturated violet. Relative luminance 0.047; OKLCH L 38.7% C 0.219 H 278.5°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#3816B4
RGB	rgb(56, 22, 180)
HSL	hsl(253, 78%, 40%)
HSV	hsv(253, 88%, 71%)
CMYK	cmyk(68.9%, 87.8%, 0%, 29.4%)
CIE-LAB	lab(25.89, 56.69, -75.13)
CIE-LCH	lch(25.89, 94.12, 307.04°)
OKLab	oklab(38.72% 0.0325 -0.2169)
OKLCH	oklch(38.72% 0.219 278.5)
XYZ	xyz(10.1534, 4.7090, 43.5450)
Luminance	0.0471 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3816B4 #92B416

analogous

#1643B4 #3816B4 #8716B4

triadic

#3816B4 #B43816 #16B438

tetradic

#3816B4 #B41643 #92B416 #16B487

square

#3816B4 #B41643 #92B416 #16B487

split-complementary

#3816B4 #B48716 #43B416

monochromatic

#160947 #270F7D #3816B4 #4D23E4 #795AEB

Accessibility & contrast

On white

10.81

#3816B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#3816B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3816B4

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3816B4	#FFFFFF	#000000	##FFFFFF
##3816B4	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0037B1

Tritanopia (blue-blind)

#004C6A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #3816b4;
/* rgb */ color: rgb(56, 22, 180);
/* oklch */ color: oklch(38.7% 0.219 278.5);

Tailwind

colors: {
  custom: {
    50: '#825dcc',
    500: '#3816b4',
    950: '#000000',
  },
}

SCSS

$custom: #3816b4;
$custom-light: #825dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#3816b4",
  "rgb": {
    "r": 56,
    "g": 22,
    "b": 180
  },
  "hsl": {
    "h": 252.911,
    "s": 78.218,
    "l": 39.608
  },
  "oklch": {
    "l": 0.38719,
    "c": 0.21932,
    "h": 278.5
  },
  "luminance": 0.0471
}

Semantic roles & 50–950 ramp

primary

#3816B4

secondary

#B5CE58

accent

#F533CB

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #3816B4

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

Preview Lab → · Contrast checker → · Palette generator →