#3872CA#3872CA

#3872CA is a mid, vivid blue. Relative luminance 0.171; OKLCH L 55.9% C 0.149 H 258.7°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3872CA
RGB	rgb(56, 114, 202)
HSL	hsl(216, 58%, 51%)
HSV	hsv(216, 72%, 79%)
CMYK	cmyk(72.3%, 43.6%, 0%, 20.8%)
CIE-LAB	lab(48.43, 11.02, -51.23)
CIE-LCH	lch(48.43, 52.40, 282.14°)
OKLab	oklab(55.87% -0.0294 -0.1466)
OKLCH	oklch(55.87% 0.149 258.7)
XYZ	xyz(18.3050, 17.1377, 58.2088)
Luminance	0.1714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3872CA #CA9038

analogous

#38BBCA #3872CA #4738CA

triadic

#3872CA #CA3872 #72CA38

tetradic

#3872CA #CA38BB #CA9038 #38CA47

square

#3872CA #CA38BB #CA9038 #38CA47

split-complementary

#3872CA #CA4738 #BBCA38

monochromatic

#1D3C6B #29579B #3872CA #6894D7 #99B6E4

Accessibility & contrast

On white

4.74

#3872CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3872CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3872CA

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3872CA	#FFFFFF	#000000	##FFFFFF
##3872CA	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#477ACD

Deuteranopia (green-blind)

#2C6DC8

Tritanopia (blue-blind)

#008794

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3872ca;
/* rgb */ color: rgb(56, 114, 202);
/* oklch */ color: oklch(55.9% 0.149 258.7);

Tailwind

colors: {
  custom: {
    50: '#819adb',
    500: '#3872ca',
    950: '#000000',
  },
}

SCSS

$custom: #3872ca;
$custom-light: #819adb;
$custom-dark: #000000;

JSON

{
  "hex": "#3872ca",
  "rgb": {
    "r": 56,
    "g": 114,
    "b": 202
  },
  "hsl": {
    "h": 216.164,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.55872,
    "c": 0.14949,
    "h": 258.7
  },
  "luminance": 0.1714
}

Semantic roles & 50–950 ramp

primary

#3872CA

secondary

#CFB68E

accent

#A447E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3872CA

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

Preview Lab → · Contrast checker → · Palette generator →