#3877CC#3877CC

#3877CC is a mid, vivid cyan. Relative luminance 0.184; OKLCH L 57.1% C 0.147 H 256.8°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX#3877CC
RGBrgb(56, 119, 204)
HSLhsl(214, 59%, 51%)
HSVhsv(214, 73%, 80%)
CMYKcmyk(72.5%, 41.7%, 0%, 20%)
CIE-LABlab(49.97, 8.64, -49.92)
CIE-LCHlch(49.97, 50.66, 279.82°)
OKLaboklab(57.1% -0.0335 -0.1426)
OKLCHoklch(57.1% 0.147 256.8)
XYZxyz(19.1228, 18.3919, 59.6572)
Luminance0.1839 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3877CC #CC8D38
analogous
#38C1CC #3877CC #4338CC
triadic
#3877CC #CC3877 #77CC38
tetradic
#3877CC #CC38C1 #CC8D38 #38CC43
square
#3877CC #CC38C1 #CC8D38 #38CC43
split-complementary
#3877CC #CC4338 #C1CC38
monochromatic
#1C3F6E #295B9E #3877CC #6998D8 #99BAE5

Accessibility & contrast

On white

4.49
#3877CC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.68
#3877CC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3877CC
4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3877CC#FFFFFF#000000##000000
##3877CC1.004.494.684.68
#FFFFFF4.491.0021.0021.00
#0000004.6821.001.001.00
##0000004.6821.001.001.00

Color blindness preview

Protanopia (red-blind)
#4E7ECF
Deuteranopia (green-blind)
#3571CA
Tritanopia (blue-blind)
#008B97
Achromatopsia (no color)
#777777

Design tokens & code

CSS
--color: #3877cc;
/* rgb */ color: rgb(56, 119, 204);
/* oklch */ color: oklch(57.1% 0.147 256.8);
Tailwind
colors: {
  custom: {
    50: '#819ddc',
    500: '#3877cc',
    950: '#000000',
  },
}
SCSS
$custom: #3877cc;
$custom-light: #819ddc;
$custom-dark: #000000;
JSON
{
  "hex": "#3877cc",
  "rgb": {
    "r": 56,
    "g": 119,
    "b": 204
  },
  "hsl": {
    "h": 214.459,
    "s": 59.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.57099,
    "c": 0.14652,
    "h": 256.8
  },
  "luminance": 0.18394
}

Semantic roles & 50–950 ramp

primary
#3877CC
secondary
#D1B58F
accent
#A045E2
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3877CC

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

Preview Lab → · Contrast checker → · Palette generator →

#3877CC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva