#3872B7#3872B7

#3872B7 is a mid, vivid cyan. Relative luminance 0.163; OKLCH L 54.7% C 0.124 H 254.3°. Best body text is #FFFFFF at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#3872B7
RGB	rgb(56, 114, 183)
HSL	hsl(213, 53%, 47%)
HSV	hsv(213, 69%, 72%)
CMYK	cmyk(69.4%, 37.7%, 0%, 28.2%)
CIE-LAB	lab(47.36, 4.09, -42.00)
CIE-LCH	lch(47.36, 42.20, 275.56°)
OKLab	oklab(54.69% -0.0336 -0.1195)
OKLCH	oklch(54.69% 0.124 254.3)
XYZ	xyz(16.1923, 16.2926, 47.0820)
Luminance	0.1629 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3872B7 #B77D38

analogous

#38B2B7 #3872B7 #3D38B7

triadic

#3872B7 #B73872 #72B738

tetradic

#3872B7 #B738B2 #B77D38 #38B73D

square

#3872B7 #B738B2 #B77D38 #38B73D

split-complementary

#3872B7 #B73D38 #B2B738

monochromatic

#1B3859 #2A5588 #3872B7 #5E91CE #8DB1DC

Accessibility & contrast

On white

4.93

#3872B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.26

#3872B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3872B7

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3872B7	#FFFFFF	#000000	##FFFFFF
##3872B7	1.00	4.93	4.26	4.93
#FFFFFF	4.93	1.00	21.00	1.00
#000000	4.26	21.00	1.00	21.00
##FFFFFF	4.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5377BA

Deuteranopia (green-blind)

#406BB6

Tritanopia (blue-blind)

#00828C

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3872b7;
/* rgb */ color: rgb(56, 114, 183);
/* oklch */ color: oklch(54.7% 0.124 254.3);

Tailwind

colors: {
  custom: {
    50: '#7d9acd',
    500: '#3872b7',
    950: '#000000',
  },
}

SCSS

$custom: #3872b7;
$custom-light: #7d9acd;
$custom-dark: #000000;

JSON

{
  "hex": "#3872b7",
  "rgb": {
    "r": 56,
    "g": 114,
    "b": 183
  },
  "hsl": {
    "h": 212.598,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.54686,
    "c": 0.12413,
    "h": 254.3
  },
  "luminance": 0.16294
}

Semantic roles & 50–950 ramp

primary

#3872B7

secondary

#C7A884

accent

#9A4BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #3872B7

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

Preview Lab → · Contrast checker → · Palette generator →