#3873C0#3873C0

#3873C0 is a mid, vivid cyan. Relative luminance 0.169; OKLCH L 55.5% C 0.135 H 256.1°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#3873C0
RGB	rgb(56, 115, 192)
HSL	hsl(214, 55%, 49%)
HSV	hsv(214, 71%, 75%)
CMYK	cmyk(70.8%, 40.1%, 0%, 24.7%)
CIE-LAB	lab(48.14, 6.74, -45.95)
CIE-LCH	lch(48.14, 46.45, 278.34°)
OKLab	oklab(55.46% -0.0324 -0.1311)
OKLCH	oklch(55.46% 0.135 256.1)
XYZ	xyz(17.2726, 16.9061, 52.2119)
Luminance	0.1691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3873C0 #C08538

analogous

#38B7C0 #3873C0 #4138C0

triadic

#3873C0 #C03873 #73C038

tetradic

#3873C0 #C038B7 #C08538 #38C041

square

#3873C0 #C038B7 #C08538 #38C041

split-complementary

#3873C0 #C04138 #B7C038

monochromatic

#1C3A61 #2A5791 #3873C0 #6493D2 #93B4DF

Accessibility & contrast

On white

4.79

#3873C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#3873C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3873C0

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3873C0	#FFFFFF	#000000	##FFFFFF
##3873C0	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F79C3

Deuteranopia (green-blind)

#3A6CBE

Tritanopia (blue-blind)

#008590

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3873c0;
/* rgb */ color: rgb(56, 115, 192);
/* oklch */ color: oklch(55.5% 0.135 256.1);

Tailwind

colors: {
  custom: {
    50: '#7f9ad3',
    500: '#3873c0',
    950: '#000000',
  },
}

SCSS

$custom: #3873c0;
$custom-light: #7f9ad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3873c0",
  "rgb": {
    "r": 56,
    "g": 115,
    "b": 192
  },
  "hsl": {
    "h": 213.971,
    "s": 54.839,
    "l": 48.627
  },
  "oklch": {
    "l": 0.55459,
    "c": 0.13501,
    "h": 256.1
  },
  "luminance": 0.16908
}

Semantic roles & 50–950 ramp

primary

#3873C0

secondary

#CBAE89

accent

#9E4ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #3873C0

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

Preview Lab → · Contrast checker → · Palette generator →