#3979C6#3979C6

#3979C6 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.2% C 0.136 H 254.7°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#3979C6
RGBrgb(57, 121, 198)
HSLhsl(213, 55%, 50%)
HSVhsv(213, 71%, 78%)
CMYKcmyk(71.2%, 38.9%, 0%, 22.4%)
CIE-LABlab(50.24, 5.36, -46.06)
CIE-LCHlch(50.24, 46.37, 276.64°)
OKLaboklab(57.21% -0.036 -0.1313)
OKLCHoklch(57.21% 0.136 254.7)
XYZxyz(18.7140, 18.6198, 56.0228)
Luminance0.1862 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3979C6 #C68639
analogous
#39BFC6 #3979C6 #4039C6
triadic
#3979C6 #C63979 #79C639
tetradic
#3979C6 #C639BF #C68639 #39C640
square
#3979C6 #C639BF #C68639 #39C640
split-complementary
#3979C6 #C64039 #BFC639
monochromatic
#1E3F67 #2B5C96 #3979C6 #6999D4 #98B9E1

Accessibility & contrast

On white

4.45
#3979C6 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.72
#3979C6 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3979C6
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3979C6#FFFFFF#000000##000000
##3979C61.004.454.724.72
#FFFFFF4.451.0021.0021.00
#0000004.7221.001.001.00
##0000004.7221.001.001.00

Color blindness preview

Protanopia (red-blind)
#557FC9
Deuteranopia (green-blind)
#4072C4
Tritanopia (blue-blind)
#008B96
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #3979c6;
/* rgb */ color: rgb(57, 121, 198);
/* oklch */ color: oklch(57.2% 0.136 254.7);
Tailwind
colors: {
  custom: {
    50: '#809fd8',
    500: '#3979c6',
    950: '#000000',
  },
}
SCSS
$custom: #3979c6;
$custom-light: #809fd8;
$custom-dark: #000000;
JSON
{
  "hex": "#3979c6",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 198
  },
  "hsl": {
    "h": 212.766,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.5721,
    "c": 0.13611,
    "h": 254.7
  },
  "luminance": 0.18622
}

Semantic roles & 50–950 ramp

primary
#3979C6
secondary
#CDB08E
accent
#9B49DF
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0B0E14
muted
#7C7E83

Preview Lab

Preview with #3979C6

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

Preview Lab → · Contrast checker → · Palette generator →

#3979C6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva