#3872C8#3872C8

#3872C8 is a mid, vivid blue. Relative luminance 0.170; OKLCH L 55.7% C 0.147 H 258.3°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3872C8
RGB	rgb(56, 114, 200)
HSL	hsl(216, 57%, 50%)
HSV	hsv(216, 72%, 78%)
CMYK	cmyk(72%, 43%, 0%, 21.6%)
CIE-LAB	lab(48.31, 10.28, -50.27)
CIE-LCH	lch(48.31, 51.31, 281.56°)
OKLab	oklab(55.74% -0.0298 -0.1438)
OKLCH	oklch(55.74% 0.147 258.3)
XYZ	xyz(18.0697, 17.0436, 56.9698)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3872C8 #C88E38

analogous

#38BAC8 #3872C8 #4638C8

triadic

#3872C8 #C83872 #72C838

tetradic

#3872C8 #C838BA #C88E38 #38C846

square

#3872C8 #C838BA #C88E38 #38C846

split-complementary

#3872C8 #C84638 #BAC838

monochromatic

#1D3B69 #2A5799 #3872C8 #6894D5 #98B6E3

Accessibility & contrast

On white

4.76

#3872C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3872C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3872C8

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3872C8	#FFFFFF	#000000	##FFFFFF
##3872C8	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#487ACB

Deuteranopia (green-blind)

#2E6DC6

Tritanopia (blue-blind)

#008693

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3872c8;
/* rgb */ color: rgb(56, 114, 200);
/* oklch */ color: oklch(55.7% 0.147 258.3);

Tailwind

colors: {
  custom: {
    50: '#809ad9',
    500: '#3872c8',
    950: '#000000',
  },
}

SCSS

$custom: #3872c8;
$custom-light: #809ad9;
$custom-dark: #000000;

JSON

{
  "hex": "#3872c8",
  "rgb": {
    "r": 56,
    "g": 114,
    "b": 200
  },
  "hsl": {
    "h": 215.833,
    "s": 56.693,
    "l": 50.196
  },
  "oklch": {
    "l": 0.55743,
    "c": 0.14682,
    "h": 258.3
  },
  "luminance": 0.17046
}

Semantic roles & 50–950 ramp

primary

#3872C8

secondary

#CEB48E

accent

#A348E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3872C8

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

Preview Lab → · Contrast checker → · Palette generator →