#3820BB#3820BB

#3820BB is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.4% C 0.221 H 277.0°. Best body text is #FFFFFF at 10.04:1 contrast (WCAG AA passes).

Color values

HEX	#3820BB
RGB	rgb(56, 32, 187)
HSL	hsl(249, 71%, 43%)
HSV	hsv(249, 83%, 73%)
CMYK	cmyk(70.1%, 82.9%, 0%, 26.7%)
CIE-LAB	lab(28.01, 54.81, -75.78)
CIE-LCH	lch(28.01, 93.52, 305.88°)
OKLab	oklab(40.41% 0.0269 -0.2189)
OKLCH	oklch(40.41% 0.221 277)
XYZ	xyz(11.1141, 5.4606, 47.4724)
Luminance	0.0546 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3820BB #A3BB20

analogous

#2056BB #3820BB #8520BB

triadic

#3820BB #BB3820 #20BB38

tetradic

#3820BB #BB2056 #A3BB20 #20BB85

square

#3820BB #BB2056 #A3BB20 #20BB85

split-complementary

#3820BB #BB8520 #56BB20

monochromatic

#190E52 #281787 #3820BB #543BDD #826FE6

Accessibility & contrast

On white

10.04

#3820BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3820BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3820BB

10.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3820BB	#FFFFFF	#000000	##FFFFFF
##3820BB	1.00	10.04	2.09	10.04
#FFFFFF	10.04	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048BF

Deuteranopia (green-blind)

#003BB8

Tritanopia (blue-blind)

#005270

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3820bb;
/* rgb */ color: rgb(56, 32, 187);
/* oklch */ color: oklch(40.4% 0.221 277.0);

Tailwind

colors: {
  custom: {
    50: '#8362d1',
    500: '#3820bb',
    950: '#000000',
  },
}

SCSS

$custom: #3820bb;
$custom-light: #8362d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3820bb",
  "rgb": {
    "r": 56,
    "g": 32,
    "b": 187
  },
  "hsl": {
    "h": 249.29,
    "s": 70.776,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40406,
    "c": 0.22059,
    "h": 277
  },
  "luminance": 0.05462
}

Semantic roles & 50–950 ramp

primary

#3820BB

secondary

#BDCD6A

accent

#EE3AD2

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0514

muted

#7D7A83

Preview Lab

Preview with #3820BB

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

Preview Lab → · Contrast checker → · Palette generator →