#3873C3#3873C3

#3873C3 is a mid, vivid cyan. Relative luminance 0.170; OKLCH L 55.6% C 0.139 H 256.8°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#3873C3
RGB	rgb(56, 115, 195)
HSL	hsl(215, 55%, 49%)
HSV	hsv(215, 71%, 76%)
CMYK	cmyk(71.3%, 41%, 0%, 23.5%)
CIE-LAB	lab(48.31, 7.83, -47.41)
CIE-LCH	lch(48.31, 48.05, 279.38°)
OKLab	oklab(55.65% -0.0317 -0.1353)
OKLCH	oklch(55.65% 0.139 256.8)
XYZ	xyz(17.6083, 17.0405, 53.9803)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3873C3 #C38838

analogous

#38B9C3 #3873C3 #4338C3

triadic

#3873C3 #C33873 #73C338

tetradic

#3873C3 #C338B9 #C38838 #38C343

square

#3873C3 #C338B9 #C38838 #38C343

split-complementary

#3873C3 #C34338 #B9C338

monochromatic

#1D3B64 #2A5793 #3873C3 #6594D3 #95B5E1

Accessibility & contrast

On white

4.76

#3873C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#3873C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3873C3

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3873C3	#FFFFFF	#000000	##FFFFFF
##3873C3	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D7AC6

Deuteranopia (green-blind)

#376DC1

Tritanopia (blue-blind)

#008691

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #3873c3;
/* rgb */ color: rgb(56, 115, 195);
/* oklch */ color: oklch(55.6% 0.139 256.8);

Tailwind

colors: {
  custom: {
    50: '#7f9ad5',
    500: '#3873c3',
    950: '#000000',
  },
}

SCSS

$custom: #3873c3;
$custom-light: #7f9ad5;
$custom-dark: #000000;

JSON

{
  "hex": "#3873c3",
  "rgb": {
    "r": 56,
    "g": 115,
    "b": 195
  },
  "hsl": {
    "h": 214.532,
    "s": 55.378,
    "l": 49.216
  },
  "oklch": {
    "l": 0.55646,
    "c": 0.13901,
    "h": 256.8
  },
  "luminance": 0.17042
}

Semantic roles & 50–950 ramp

primary

#3873C3

secondary

#CCB08B

accent

#9F49DF

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3873C3

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

Preview Lab → · Contrast checker → · Palette generator →