#3979CE#3979CE

#3979CE is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.7% C 0.147 H 256.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#3979CE
RGBrgb(57, 121, 206)
HSLhsl(214, 60%, 52%)
HSVhsv(214, 72%, 81%)
CMYKcmyk(72.3%, 41.3%, 0%, 19.2%)
CIE-LABlab(50.69, 8.27, -49.91)
CIE-LCHlch(50.69, 50.59, 279.41°)
OKLaboklab(57.7% -0.0342 -0.1426)
OKLCHoklch(57.7% 0.147 256.5)
XYZxyz(19.6612, 18.9987, 61.0115)
Luminance0.1900 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3979CE #CE8E39
analogous
#39C4CE #3979CE #4439CE
triadic
#3979CE #CE3979 #79CE39
tetradic
#3979CE #CE39C4 #CE8E39 #39CE44
square
#3979CE #CE39C4 #CE8E39 #39CE44
split-complementary
#3979CE #CE4439 #C4CE39
monochromatic
#1C4071 #285CA2 #3979CE #6A9ADA #9BBBE6

Accessibility & contrast

On white

4.37
#3979CE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.80
#3979CE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3979CE
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3979CE#FFFFFF#000000##000000
##3979CE1.004.374.804.80
#FFFFFF4.371.0021.0021.00
#0000004.8021.001.001.00
##0000004.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5080D1
Deuteranopia (green-blind)
#3872CC
Tritanopia (blue-blind)
#008D99
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #3979ce;
/* rgb */ color: rgb(57, 121, 206);
/* oklch */ color: oklch(57.7% 0.147 256.5);
Tailwind
colors: {
  custom: {
    50: '#829fdd',
    500: '#3979ce',
    950: '#000000',
  },
}
SCSS
$custom: #3979ce;
$custom-light: #829fdd;
$custom-dark: #000000;
JSON
{
  "hex": "#3979ce",
  "rgb": {
    "r": 57,
    "g": 121,
    "b": 206
  },
  "hsl": {
    "h": 214.228,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57703,
    "c": 0.1466,
    "h": 256.5
  },
  "luminance": 0.19001
}

Semantic roles & 50–950 ramp

primary
#3979CE
secondary
#D2B691
accent
#9F44E3
background
#F8F9FD
surface
#F0F2FB
border
#CBCCD4
text
#0C0E15
muted
#7D7E83

Preview Lab

Preview with #3979CE

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

Preview Lab → · Contrast checker → · Palette generator →

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