#3872D3#3872D3

#3872D3 is a mid, vivid blue. Relative luminance 0.176; OKLCH L 56.5% C 0.162 H 260.1°. Best body text is #FFFFFF at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#3872D3
RGB	rgb(56, 114, 211)
HSL	hsl(218, 64%, 52%)
HSV	hsv(218, 73%, 83%)
CMYK	cmyk(73.5%, 46%, 0%, 17.3%)
CIE-LAB	lab(48.98, 14.32, -55.49)
CIE-LCH	lch(48.98, 57.31, 284.47°)
OKLab	oklab(56.47% -0.0278 -0.1591)
OKLCH	oklch(56.47% 0.162 260.1)
XYZ	xyz(19.4018, 17.5764, 63.9854)
Luminance	0.1758 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3872D3 #D39938

analogous

#38C0D3 #3872D3 #4B38D3

triadic

#3872D3 #D33872 #72D338

tetradic

#3872D3 #D338C0 #D39938 #38D34B

square

#3872D3 #D338C0 #D39938 #38D34B

split-complementary

#3872D3 #D34B38 #C0D338

monochromatic

#1A3D76 #2556A9 #3872D3 #6A96DE #9CB9E9

Accessibility & contrast

On white

4.65

#3872D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#3872D3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3872D3

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3872D3	#FFFFFF	#000000	##FFFFFF
##3872D3	1.00	4.65	4.52	4.65
#FFFFFF	4.65	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F7CD7

Deuteranopia (green-blind)

#1B6ED1

Tritanopia (blue-blind)

#008998

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3872d3;
/* rgb */ color: rgb(56, 114, 211);
/* oklch */ color: oklch(56.5% 0.162 260.1);

Tailwind

colors: {
  custom: {
    50: '#8299e1',
    500: '#3872d3',
    950: '#000000',
  },
}

SCSS

$custom: #3872d3;
$custom-light: #8299e1;
$custom-dark: #000000;

JSON

{
  "hex": "#3872d3",
  "rgb": {
    "r": 56,
    "g": 114,
    "b": 211
  },
  "hsl": {
    "h": 217.548,
    "s": 63.786,
    "l": 52.353
  },
  "oklch": {
    "l": 0.56468,
    "c": 0.16151,
    "h": 260.1
  },
  "luminance": 0.17579
}

Semantic roles & 50–950 ramp

primary

#3872D3

secondary

#D5BC92

accent

#A941E7

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3872D3

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

Preview Lab → · Contrast checker → · Palette generator →