#3984D9#3984D9

#3984D9 is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.8% C 0.149 H 253.8°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX#3984D9
RGBrgb(57, 132, 217)
HSLhsl(212, 68%, 54%)
HSVhsv(212, 74%, 85%)
CMYKcmyk(73.7%, 39.2%, 0%, 14.9%)
CIE-LABlab(54.43, 5.55, -50.17)
CIE-LCHlch(54.43, 50.47, 276.31°)
OKLaboklab(60.81% -0.0416 -0.1431)
OKLCHoklch(60.81% 0.149 253.8)
XYZxyz(22.4583, 22.3796, 68.7683)
Luminance0.2238 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3984D9 #D98E39
analogous
#39D4D9 #3984D9 #3E39D9
triadic
#3984D9 #D93984 #84D939
tetradic
#3984D9 #D939D4 #D98E39 #39D93E
square
#3984D9 #D939D4 #D98E39 #39D93E
split-complementary
#3984D9 #D93E39 #D4D939
monochromatic
#18497F #2266B3 #3984D9 #6CA4E3 #A0C4ED

Accessibility & contrast

On white

3.83
#3984D9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.48
#3984D9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3984D9
5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3984D9#FFFFFF#000000##000000
##3984D91.003.835.485.48
#FFFFFF3.831.0021.0021.00
#0000005.4821.001.001.00
##0000005.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#5C8ADC
Deuteranopia (green-blind)
#437BD7
Tritanopia (blue-blind)
#0098A4
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3984d9;
/* rgb */ color: rgb(57, 132, 217);
/* oklch */ color: oklch(60.8% 0.149 253.8);
Tailwind
colors: {
  custom: {
    50: '#84a7e5',
    500: '#3984d9',
    950: '#000000',
  },
}
SCSS
$custom: #3984d9;
$custom-light: #84a7e5;
$custom-dark: #000000;
JSON
{
  "hex": "#3984d9",
  "rgb": {
    "r": 57,
    "g": 132,
    "b": 217
  },
  "hsl": {
    "h": 211.875,
    "s": 67.797,
    "l": 53.725
  },
  "oklch": {
    "l": 0.60813,
    "c": 0.14908,
    "h": 253.8
  },
  "luminance": 0.22382
}

Semantic roles & 50–950 ramp

primary
#3984D9
secondary
#D9B995
accent
#993DEB
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C0F16
muted
#7D7F84

Preview Lab

Preview with #3984D9

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

Preview Lab → · Contrast checker → · Palette generator →

#3984D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva