#3872CC#3872CC

#3872CC is a mid, vivid blue. Relative luminance 0.172; OKLCH L 56.0% C 0.152 H 259.0°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#3872CC
RGB	rgb(56, 114, 204)
HSL	hsl(216, 59%, 51%)
HSV	hsv(216, 73%, 80%)
CMYK	cmyk(72.5%, 44.1%, 0%, 20%)
CIE-LAB	lab(48.55, 11.75, -52.18)
CIE-LCH	lch(48.55, 53.49, 282.69°)
OKLab	oklab(56% -0.029 -0.1494)
OKLCH	oklch(56% 0.152 259)
XYZ	xyz(18.5433, 17.2330, 59.4641)
Luminance	0.1724 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3872CC #CC9238

analogous

#38BCCC #3872CC #4838CC

triadic

#3872CC #CC3872 #72CC38

tetradic

#3872CC #CC38BC #CC9238 #38CC48

square

#3872CC #CC38BC #CC9238 #38CC48

split-complementary

#3872CC #CC4838 #BCCC38

monochromatic

#1C3C6E #29579E #3872CC #6995D8 #99B7E5

Accessibility & contrast

On white

4.72

#3872CC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#3872CC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3872CC

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3872CC	#FFFFFF	#000000	##FFFFFF
##3872CC	1.00	4.72	4.45	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#457BCF

Deuteranopia (green-blind)

#286DCA

Tritanopia (blue-blind)

#008795

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3872cc;
/* rgb */ color: rgb(56, 114, 204);
/* oklch */ color: oklch(56.0% 0.152 259.0);

Tailwind

colors: {
  custom: {
    50: '#819adc',
    500: '#3872cc',
    950: '#000000',
  },
}

SCSS

$custom: #3872cc;
$custom-light: #819adc;
$custom-dark: #000000;

JSON

{
  "hex": "#3872cc",
  "rgb": {
    "r": 56,
    "g": 114,
    "b": 204
  },
  "hsl": {
    "h": 216.486,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.56003,
    "c": 0.15217,
    "h": 259
  },
  "luminance": 0.17235
}

Semantic roles & 50–950 ramp

primary

#3872CC

secondary

#D1B78F

accent

#A545E2

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3872CC

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

Preview Lab → · Contrast checker → · Palette generator →