#3873C5#3873C5

#3873C5 is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.8% C 0.142 H 257.2°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#3873C5
RGB	rgb(56, 115, 197)
HSL	hsl(215, 56%, 50%)
HSV	hsv(215, 72%, 77%)
CMYK	cmyk(71.6%, 41.6%, 0%, 22.7%)
CIE-LAB	lab(48.43, 8.56, -48.38)
CIE-LCH	lch(48.43, 49.13, 280.04°)
OKLab	oklab(55.77% -0.0313 -0.1382)
OKLCH	oklch(55.77% 0.142 257.2)
XYZ	xyz(17.8360, 17.1315, 55.1792)
Luminance	0.1713 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3873C5 #C58A38

analogous

#38B9C5 #3873C5 #4438C5

triadic

#3873C5 #C53873 #73C538

tetradic

#3873C5 #C538B9 #C58A38 #38C544

square

#3873C5 #C538B9 #C58A38 #38C544

split-complementary

#3873C5 #C54438 #B9C538

monochromatic

#1D3B66 #2A5795 #3873C5 #6794D4 #96B6E1

Accessibility & contrast

On white

4.74

#3873C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#3873C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3873C5

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3873C5	#FFFFFF	#000000	##FFFFFF
##3873C5	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)

#4C7AC8

Deuteranopia (green-blind)

#346DC3

Tritanopia (blue-blind)

#008692

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3873c5;
/* rgb */ color: rgb(56, 115, 197);
/* oklch */ color: oklch(55.8% 0.142 257.2);

Tailwind

colors: {
  custom: {
    50: '#809ad7',
    500: '#3873c5',
    950: '#000000',
  },
}

SCSS

$custom: #3873c5;
$custom-light: #809ad7;
$custom-dark: #000000;

JSON

{
  "hex": "#3873c5",
  "rgb": {
    "r": 56,
    "g": 115,
    "b": 197
  },
  "hsl": {
    "h": 214.894,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.55772,
    "c": 0.14168,
    "h": 257.2
  },
  "luminance": 0.17133
}

Semantic roles & 50–950 ramp

primary

#3873C5

secondary

#CDB28C

accent

#A049DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3873C5

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

Preview Lab → · Contrast checker → · Palette generator →