#3872DD#3872DD

#3872DD is a mid, vivid blue. Relative luminance 0.181; OKLCH L 57.2% C 0.175 H 261.3°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#3872DD
RGB	rgb(56, 114, 221)
HSL	hsl(219, 71%, 54%)
HSV	hsv(219, 75%, 87%)
CMYK	cmyk(74.7%, 48.4%, 0%, 13.3%)
CIE-LAB	lab(49.61, 18.00, -60.14)
CIE-LCH	lch(49.61, 62.78, 286.66°)
OKLab	oklab(57.16% -0.0263 -0.1728)
OKLCH	oklch(57.16% 0.175 261.3)
XYZ	xyz(20.6946, 18.0935, 70.7943)
Luminance	0.1810 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3872DD #DDA338

analogous

#38C5DD #3872DD #5138DD

triadic

#3872DD #DD3872 #72DD38

tetradic

#3872DD #DD38C5 #DDA338 #38DD51

square

#3872DD #DD38C5 #DDA338 #38DD51

split-complementary

#3872DD #DD5138 #C5DD38

monochromatic

#173D84 #1F55B8 #3872DD #6C97E6 #A1BCEF

Accessibility & contrast

On white

4.55

#3872DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#3872DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3872DD

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3872DD	#FFFFFF	#000000	##000000
##3872DD	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#357EE1

Deuteranopia (green-blind)

#006FDB

Tritanopia (blue-blind)

#008C9D

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #3872dd;
/* rgb */ color: rgb(56, 114, 221);
/* oklch */ color: oklch(57.2% 0.175 261.3);

Tailwind

colors: {
  custom: {
    50: '#8499e8',
    500: '#3872dd',
    950: '#000000',
  },
}

SCSS

$custom: #3872dd;
$custom-light: #8499e8;
$custom-dark: #000000;

JSON

{
  "hex": "#3872dd",
  "rgb": {
    "r": 56,
    "g": 114,
    "b": 221
  },
  "hsl": {
    "h": 218.909,
    "s": 70.815,
    "l": 54.314
  },
  "oklch": {
    "l": 0.57155,
    "c": 0.17479,
    "h": 261.3
  },
  "luminance": 0.18096
}

Semantic roles & 50–950 ramp

primary

#3872DD

secondary

#DBC395

accent

#AF3AEE

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #3872DD

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

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