#3879B7#3879B7

#3879B7 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.3% C 0.117 H 249.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX#3879B7
RGBrgb(56, 121, 183)
HSLhsl(209, 53%, 47%)
HSVhsv(209, 69%, 72%)
CMYKcmyk(69.4%, 33.9%, 0%, 28.2%)
CIE-LABlab(49.41, -0.18, -38.75)
CIE-LCHlch(49.41, 38.75, 269.74°)
OKLaboklab(56.3% -0.0405 -0.1099)
OKLCHoklch(56.3% 0.117 249.7)
XYZxyz(17.0123, 17.9326, 47.3553)
Luminance0.1793 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3879B7 #B77638
analogous
#38B7B6 #3879B7 #383AB7
triadic
#3879B7 #B73879 #79B738
tetradic
#3879B7 #B638B7 #B77638 #3AB738
square
#3879B7 #B638B7 #B77638 #3AB738
split-complementary
#3879B7 #B7383A #B7B638
monochromatic
#1B3B59 #2A5A88 #3879B7 #5E97CE #8DB6DC

Accessibility & contrast

On white

4.58
#3879B7 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.59
#3879B7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879B7
4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3879B7#FFFFFF#000000##000000
##3879B71.004.584.594.59
#FFFFFF4.581.0021.0021.00
#0000004.5921.001.001.00
##0000004.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#5D7CBA
Deuteranopia (green-blind)
#4B70B6
Tritanopia (blue-blind)
#00888F
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #3879b7;
/* rgb */ color: rgb(56, 121, 183);
/* oklch */ color: oklch(56.3% 0.117 249.7);
Tailwind
colors: {
  custom: {
    50: '#7d9fcd',
    500: '#3879b7',
    950: '#000000',
  },
}
SCSS
$custom: #3879b7;
$custom-light: #7d9fcd;
$custom-dark: #000000;
JSON
{
  "hex": "#3879b7",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 183
  },
  "hsl": {
    "h": 209.291,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.56297,
    "c": 0.11712,
    "h": 249.7
  },
  "luminance": 0.17934
}

Semantic roles & 50–950 ramp

primary
#3879B7
secondary
#C7A584
accent
#924BDD
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #3879B7

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

Preview Lab → · Contrast checker → · Palette generator →

#3879B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva