#3872CF#3872CF

#3872CF is a mid, vivid blue. Relative luminance 0.174; OKLCH L 56.2% C 0.156 H 259.5°. Best body text is #FFFFFF at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#3872CF
RGB	rgb(56, 114, 207)
HSL	hsl(217, 61%, 52%)
HSV	hsv(217, 73%, 81%)
CMYK	cmyk(72.9%, 44.9%, 0%, 18.8%)
CIE-LAB	lab(48.73, 12.85, -53.60)
CIE-LCH	lch(48.73, 55.12, 283.48°)
OKLab	oklab(56.2% -0.0285 -0.1536)
OKLCH	oklch(56.2% 0.156 259.5)
XYZ	xyz(18.9066, 17.3783, 61.3773)
Luminance	0.1738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3872CF #CF9538

analogous

#38BDCF #3872CF #4A38CF

triadic

#3872CF #CF3872 #72CF38

tetradic

#3872CF #CF38BD #CF9538 #38CF4A

square

#3872CF #CF38BD #CF9538 #38CF4A

split-complementary

#3872CF #CF4A38 #BDCF38

monochromatic

#1B3C71 #2757A3 #3872CF #6995DB #9BB8E7

Accessibility & contrast

On white

4.69

#3872CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.48

#3872CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3872CF

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3872CF	#FFFFFF	#000000	##FFFFFF
##3872CF	1.00	4.69	4.48	4.69
#FFFFFF	4.69	1.00	21.00	1.00
#000000	4.48	21.00	1.00	21.00
##FFFFFF	4.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#437BD3

Deuteranopia (green-blind)

#236DCD

Tritanopia (blue-blind)

#008896

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #3872cf;
/* rgb */ color: rgb(56, 114, 207);
/* oklch */ color: oklch(56.2% 0.156 259.5);

Tailwind

colors: {
  custom: {
    50: '#8299de',
    500: '#3872cf',
    950: '#000000',
  },
}

SCSS

$custom: #3872cf;
$custom-light: #8299de;
$custom-dark: #000000;

JSON

{
  "hex": "#3872cf",
  "rgb": {
    "r": 56,
    "g": 114,
    "b": 207
  },
  "hsl": {
    "h": 216.954,
    "s": 61.134,
    "l": 51.569
  },
  "oklch": {
    "l": 0.56201,
    "c": 0.15618,
    "h": 259.5
  },
  "luminance": 0.1738
}

Semantic roles & 50–950 ramp

primary

#3872CF

secondary

#D3B990

accent

#A744E4

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3872CF

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

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