#3872D7#3872D7

#3872D7 is a mid, vivid blue. Relative luminance 0.178; OKLCH L 56.7% C 0.167 H 260.6°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#3872D7
RGB	rgb(56, 114, 215)
HSL	hsl(218, 67%, 53%)
HSV	hsv(218, 74%, 84%)
CMYK	cmyk(74%, 47%, 0%, 15.7%)
CIE-LAB	lab(49.23, 15.79, -57.36)
CIE-LCH	lch(49.23, 59.50, 285.39°)
OKLab	oklab(56.74% -0.0272 -0.1646)
OKLCH	oklch(56.74% 0.167 260.6)
XYZ	xyz(19.9095, 17.7795, 66.6593)
Luminance	0.1778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3872D7 #D79D38

analogous

#38C2D7 #3872D7 #4D38D7

triadic

#3872D7 #D73872 #72D738

tetradic

#3872D7 #D738C2 #D79D38 #38D74D

square

#3872D7 #D738C2 #D79D38 #38D74D

split-complementary

#3872D7 #D74D38 #C2D738

monochromatic

#193D7C #2356AF #3872D7 #6B96E1 #9EBAEB

Accessibility & contrast

On white

4.61

#3872D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#3872D7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3872D7

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3872D7	#FFFFFF	#000000	##FFFFFF
##3872D7	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B7DDB

Deuteranopia (green-blind)

#0E6ED5

Tritanopia (blue-blind)

#008A9A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3872d7;
/* rgb */ color: rgb(56, 114, 215);
/* oklch */ color: oklch(56.7% 0.167 260.6);

Tailwind

colors: {
  custom: {
    50: '#8399e4',
    500: '#3872d7',
    950: '#000000',
  },
}

SCSS

$custom: #3872d7;
$custom-light: #8399e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3872d7",
  "rgb": {
    "r": 56,
    "g": 114,
    "b": 215
  },
  "hsl": {
    "h": 218.113,
    "s": 66.527,
    "l": 53.137
  },
  "oklch": {
    "l": 0.5674,
    "c": 0.16684,
    "h": 260.6
  },
  "luminance": 0.17782
}

Semantic roles & 50–950 ramp

primary

#3872D7

secondary

#D8BF93

accent

#AB3EE9

background

#F8F9FE

surface

#F0F2FC

border

#CBCCD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #3872D7

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

Preview Lab → · Contrast checker → · Palette generator →