#3873C2#3873C2

#3873C2 is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.6% C 0.138 H 256.6°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#3873C2
RGB	rgb(56, 115, 194)
HSL	hsl(214, 55%, 49%)
HSV	hsv(214, 71%, 76%)
CMYK	cmyk(71.1%, 40.7%, 0%, 23.9%)
CIE-LAB	lab(48.25, 7.47, -46.93)
CIE-LCH	lch(48.25, 47.52, 279.04°)
OKLab	oklab(55.58% -0.032 -0.1339)
OKLCH	oklch(55.58% 0.138 256.6)
XYZ	xyz(17.4957, 16.9954, 53.3869)
Luminance	0.1700 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3873C2 #C28738

analogous

#38B8C2 #3873C2 #4238C2

triadic

#3873C2 #C23873 #73C238

tetradic

#3873C2 #C238B8 #C28738 #38C242

square

#3873C2 #C238B8 #C28738 #38C242

split-complementary

#3873C2 #C24238 #B8C238

monochromatic

#1D3B63 #2A5793 #3873C2 #6594D2 #94B5E0

Accessibility & contrast

On white

4.77

#3873C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#3873C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3873C2

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3873C2	#FFFFFF	#000000	##FFFFFF
##3873C2	1.00	4.77	4.40	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E79C5

Deuteranopia (green-blind)

#386DC0

Tritanopia (blue-blind)

#008591

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3873c2;
/* rgb */ color: rgb(56, 115, 194);
/* oklch */ color: oklch(55.6% 0.138 256.6);

Tailwind

colors: {
  custom: {
    50: '#7f9ad5',
    500: '#3873c2',
    950: '#000000',
  },
}

SCSS

$custom: #3873c2;
$custom-light: #7f9ad5;
$custom-dark: #000000;

JSON

{
  "hex": "#3873c2",
  "rgb": {
    "r": 56,
    "g": 115,
    "b": 194
  },
  "hsl": {
    "h": 214.348,
    "s": 55.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55583,
    "c": 0.13767,
    "h": 256.6
  },
  "luminance": 0.16997
}

Semantic roles & 50–950 ramp

primary

#3873C2

secondary

#CBB08A

accent

#9F49DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3873C2

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

Preview Lab → · Contrast checker → · Palette generator →