#3979A4#3979A4

#3979A4 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.3% C 0.094 H 240.8°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX#3979A4
RGBrgb(57, 121, 164)
HSLhsl(204, 48%, 43%)
HSVhsv(204, 65%, 64%)
CMYKcmyk(65.2%, 26.2%, 0%, 35.7%)
CIE-LABlab(48.54, -6.66, -29.09)
CIE-LCHlch(48.54, 29.84, 257.11°)
OKLaboklab(55.32% -0.0458 -0.0818)
OKLCHoklch(55.32% 0.094 240.8)
XYZxyz(15.2230, 17.2234, 37.6369)
Luminance0.1722 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3979A4 #A46439
analogous
#39A499 #3979A4 #3944A4
triadic
#3979A4 #A43979 #79A439
tetradic
#3979A4 #9939A4 #A46439 #44A439
square
#3979A4 #9939A4 #A46439 #44A439
split-complementary
#3979A4 #A43944 #A49939
monochromatic
#193649 #295777 #3979A4 #5698C4 #83B4D4

Accessibility & contrast

On white

4.72
#3979A4 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.44
#3979A4 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3979A4
4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3979A4#FFFFFF#000000##FFFFFF
##3979A41.004.724.444.72
#FFFFFF4.721.0021.001.00
#0000004.4421.001.0021.00
##FFFFFF4.721.0021.001.00

Color blindness preview

Protanopia (red-blind)
#6579A6
Deuteranopia (green-blind)
#576FA3
Tritanopia (blue-blind)
#008488
Achromatopsia (no color)
#737373

Design tokens & code

CSS
--color: #3979a4;
/* rgb */ color: rgb(57, 121, 164);
/* oklch */ color: oklch(55.3% 0.094 240.8);
Tailwind
colors: {
  custom: {
    50: '#7b9fbf',
    500: '#3979a4',
    950: '#000000',
  },
}
SCSS
$custom: #3979a4;
$custom-light: #7b9fbf;
$custom-dark: #000000;
JSON
{
  "hex": "#3979a4",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 164
  },
  "hsl": {
    "h": 204.112,
    "s": 48.416,
    "l": 43.333
  },
  "oklch": {
    "l": 0.5532,
    "c": 0.09373,
    "h": 240.8
  },
  "luminance": 0.17225
}

Semantic roles & 50–950 ramp

primary
#3979A4
secondary
#BE967B
accent
#8750D8
background
#F7F9FB
surface
#EEF2F7
border
#C9CCD0
text
#0A0E12
muted
#7C7E81

Preview Lab

Preview with #3979A4

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

Preview Lab → · Contrast checker → · Palette generator →

#3979A4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva