#3872C6#3872C6

#3872C6 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.6% C 0.144 H 257.9°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#3872C6
RGB	rgb(56, 114, 198)
HSL	hsl(215, 56%, 50%)
HSV	hsv(215, 72%, 78%)
CMYK	cmyk(71.7%, 42.4%, 0%, 22.4%)
CIE-LAB	lab(48.20, 9.55, -49.31)
CIE-LCH	lch(48.20, 50.23, 280.96°)
OKLab	oklab(55.61% -0.0302 -0.1409)
OKLCH	oklch(55.61% 0.144 257.9)
XYZ	xyz(17.8375, 16.9507, 55.7469)
Luminance	0.1695 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3872C6 #C68C38

analogous

#38B9C6 #3872C6 #4538C6

triadic

#3872C6 #C63872 #72C638

tetradic

#3872C6 #C638B9 #C68C38 #38C645

square

#3872C6 #C638B9 #C68C38 #38C645

split-complementary

#3872C6 #C64538 #B9C638

monochromatic

#1D3B67 #2B5796 #3872C6 #6794D4 #97B5E2

Accessibility & contrast

On white

4.78

#3872C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.39

#3872C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3872C6

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3872C6	#FFFFFF	#000000	##FFFFFF
##3872C6	1.00	4.78	4.39	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.39	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4979C9

Deuteranopia (green-blind)

#316CC4

Tritanopia (blue-blind)

#008692

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3872c6;
/* rgb */ color: rgb(56, 114, 198);
/* oklch */ color: oklch(55.6% 0.144 257.9);

Tailwind

colors: {
  custom: {
    50: '#809ad8',
    500: '#3872c6',
    950: '#000000',
  },
}

SCSS

$custom: #3872c6;
$custom-light: #809ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#3872c6",
  "rgb": {
    "r": 56,
    "g": 114,
    "b": 198
  },
  "hsl": {
    "h": 215.493,
    "s": 55.906,
    "l": 49.804
  },
  "oklch": {
    "l": 0.55614,
    "c": 0.14414,
    "h": 257.9
  },
  "luminance": 0.16953
}

Semantic roles & 50–950 ramp

primary

#3872C6

secondary

#CDB38D

accent

#A249DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3872C6

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

Preview Lab → · Contrast checker → · Palette generator →