#3879B8#3879B8

#3879B8 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.4% C 0.118 H 250.1°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#3879B8
RGBrgb(56, 121, 184)
HSLhsl(210, 53%, 47%)
HSVhsv(210, 70%, 72%)
CMYKcmyk(69.6%, 34.2%, 0%, 27.8%)
CIE-LABlab(49.47, 0.18, -39.24)
CIE-LCHlch(49.47, 39.24, 270.26°)
OKLaboklab(56.35% -0.0403 -0.1113)
OKLCHoklch(56.35% 0.118 250.1)
XYZxyz(17.1168, 17.9744, 47.9054)
Luminance0.1798 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3879B8 #B87738
analogous
#38B8B7 #3879B8 #3839B8
triadic
#3879B8 #B83879 #79B838
tetradic
#3879B8 #B738B8 #B87738 #39B838
square
#3879B8 #B738B8 #B87738 #39B838
split-complementary
#3879B8 #B83839 #B8B738
monochromatic
#1B3B5A #2A5A89 #3879B8 #5F97CE #8EB6DD

Accessibility & contrast

On white

4.57
#3879B8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.60
#3879B8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3879B8
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3879B8#FFFFFF#000000##000000
##3879B81.004.574.604.60
#FFFFFF4.571.0021.0021.00
#0000004.6021.001.001.00
##0000004.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5D7CBB
Deuteranopia (green-blind)
#4B70B7
Tritanopia (blue-blind)
#008890
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #3879b8;
/* rgb */ color: rgb(56, 121, 184);
/* oklch */ color: oklch(56.4% 0.118 250.1);
Tailwind
colors: {
  custom: {
    50: '#7d9fcd',
    500: '#3879b8',
    950: '#000000',
  },
}
SCSS
$custom: #3879b8;
$custom-light: #7d9fcd;
$custom-dark: #000000;
JSON
{
  "hex": "#3879b8",
  "rgb": {
    "r": 56,
    "g": 121,
    "b": 184
  },
  "hsl": {
    "h": 209.531,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.56354,
    "c": 0.1184,
    "h": 250.1
  },
  "luminance": 0.17976
}

Semantic roles & 50–950 ramp

primary
#3879B8
secondary
#C7A585
accent
#934BDD
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #3879B8

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

Preview Lab → · Contrast checker → · Palette generator →

#3879B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva