#3872C7#3872C7

#3872C7 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.7% C 0.145 H 258.1°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3872C7
RGB	rgb(56, 114, 199)
HSL	hsl(216, 56%, 50%)
HSV	hsv(216, 72%, 78%)
CMYK	cmyk(71.9%, 42.7%, 0%, 22%)
CIE-LAB	lab(48.26, 9.92, -49.79)
CIE-LCH	lch(48.26, 50.77, 281.26°)
OKLab	oklab(55.68% -0.03 -0.1423)
OKLCH	oklch(55.68% 0.145 258.1)
XYZ	xyz(17.9533, 16.9970, 56.3563)
Luminance	0.1700 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3872C7 #C78D38

analogous

#38BAC7 #3872C7 #4538C7

triadic

#3872C7 #C73872 #72C738

tetradic

#3872C7 #C738BA #C78D38 #38C745

square

#3872C7 #C738BA #C78D38 #38C745

split-complementary

#3872C7 #C74538 #BAC738

monochromatic

#1D3B67 #2B5797 #3872C7 #6894D4 #98B6E2

Accessibility & contrast

On white

4.77

#3872C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3872C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3872C7

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3872C7	#FFFFFF	#000000	##FFFFFF
##3872C7	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#497ACA

Deuteranopia (green-blind)

#306CC5

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3872c7;
/* rgb */ color: rgb(56, 114, 199);
/* oklch */ color: oklch(55.7% 0.145 258.1);

Tailwind

colors: {
  custom: {
    50: '#809ad8',
    500: '#3872c7',
    950: '#000000',
  },
}

SCSS

$custom: #3872c7;
$custom-light: #809ad8;
$custom-dark: #000000;

JSON

{
  "hex": "#3872c7",
  "rgb": {
    "r": 56,
    "g": 114,
    "b": 199
  },
  "hsl": {
    "h": 215.664,
    "s": 56.078,
    "l": 50
  },
  "oklch": {
    "l": 0.55678,
    "c": 0.14548,
    "h": 258.1
  },
  "luminance": 0.16999
}

Semantic roles & 50–950 ramp

primary

#3872C7

secondary

#CDB38D

accent

#A248DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3872C7

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

Preview Lab → · Contrast checker → · Palette generator →