#3873C4#3873C4

#3873C4 is a mid, vivid cyan. Relative luminance 0.171; OKLCH L 55.7% C 0.140 H 257.0°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#3873C4
RGB	rgb(56, 115, 196)
HSL	hsl(215, 56%, 49%)
HSV	hsv(215, 71%, 77%)
CMYK	cmyk(71.4%, 41.3%, 0%, 23.1%)
CIE-LAB	lab(48.37, 8.20, -47.89)
CIE-LCH	lch(48.37, 48.59, 279.71°)
OKLab	oklab(55.71% -0.0315 -0.1368)
OKLCH	oklch(55.71% 0.14 257)
XYZ	xyz(17.7218, 17.0858, 54.5778)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3873C4 #C48938

analogous

#38B9C4 #3873C4 #4338C4

triadic

#3873C4 #C43873 #73C438

tetradic

#3873C4 #C438B9 #C48938 #38C443

square

#3873C4 #C438B9 #C48938 #38C443

split-complementary

#3873C4 #C44338 #B9C438

monochromatic

#1D3B65 #2A5794 #3873C4 #6694D3 #96B5E1

Accessibility & contrast

On white

4.75

#3873C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#3873C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3873C4

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3873C4	#FFFFFF	#000000	##FFFFFF
##3873C4	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7AC7

Deuteranopia (green-blind)

#356DC2

Tritanopia (blue-blind)

#008692

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3873c4;
/* rgb */ color: rgb(56, 115, 196);
/* oklch */ color: oklch(55.7% 0.140 257.0);

Tailwind

colors: {
  custom: {
    50: '#7f9ad6',
    500: '#3873c4',
    950: '#000000',
  },
}

SCSS

$custom: #3873c4;
$custom-light: #7f9ad6;
$custom-dark: #000000;

JSON

{
  "hex": "#3873c4",
  "rgb": {
    "r": 56,
    "g": 115,
    "b": 196
  },
  "hsl": {
    "h": 214.714,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55709,
    "c": 0.14035,
    "h": 257
  },
  "luminance": 0.17088
}

Semantic roles & 50–950 ramp

primary

#3873C4

secondary

#CCB18C

accent

#A049DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3873C4

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

Preview Lab → · Contrast checker → · Palette generator →