#3998D4#3998D4

#3998D4 is a light, vivid cyan. Relative luminance 0.281; OKLCH L 65.1% C 0.125 H 240.6°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX#3998D4
RGBrgb(57, 152, 212)
HSLhsl(203, 64%, 53%)
HSVhsv(203, 73%, 83%)
CMYKcmyk(73.1%, 28.3%, 0%, 16.9%)
CIE-LABlab(59.96, -7.93, -38.63)
CIE-LCHlch(59.96, 39.43, 258.40°)
OKLaboklab(65.08% -0.0615 -0.1092)
OKLCHoklch(65.08% 0.125 240.6)
XYZxyz(24.7946, 28.0769, 66.3872)
Luminance0.2808 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3998D4 #D47539
analogous
#39D4C3 #3998D4 #394AD4
triadic
#3998D4 #D43998 #98D439
tetradic
#3998D4 #C339D4 #D47539 #4AD439
square
#3998D4 #C339D4 #D47539 #4AD439
split-complementary
#3998D4 #D4394A #D4C339
monochromatic
#1A5478 #2577AB #3998D4 #6BB2DF #9ECCEA

Accessibility & contrast

On white

3.17
#3998D4 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.62
#3998D4 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3998D4
6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3998D4#FFFFFF#000000##000000
##3998D41.003.176.626.62
#FFFFFF3.171.0021.0021.00
#0000006.6221.001.001.00
##0000006.6221.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C99D7
Deuteranopia (green-blind)
#678AD3
Tritanopia (blue-blind)
#00A7AD
Achromatopsia (no color)
#909090

Design tokens & code

CSS
--color: #3998d4;
/* rgb */ color: rgb(57, 152, 212);
/* oklch */ color: oklch(65.1% 0.125 240.6);
Tailwind
colors: {
  custom: {
    50: '#83b6e1',
    500: '#3998d4',
    950: '#000000',
  },
}
SCSS
$custom: #3998d4;
$custom-light: #83b6e1;
$custom-dark: #000000;
JSON
{
  "hex": "#3998d4",
  "rgb": {
    "r": 57,
    "g": 152,
    "b": 212
  },
  "hsl": {
    "h": 203.226,
    "s": 64.315,
    "l": 52.745
  },
  "oklch": {
    "l": 0.65081,
    "c": 0.12528,
    "h": 240.6
  },
  "luminance": 0.2808
}

Semantic roles & 50–950 ramp

primary
#3998D4
secondary
#D6AD93
accent
#8140E7
background
#F8FBFD
surface
#F0F6FB
border
#CBD0D4
text
#0C1115
muted
#7D8083

Preview Lab

Preview with #3998D4

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

Preview Lab → · Contrast checker → · Palette generator →

#3998D4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva