#3988C5#3988C5

#3988C5 is a mid, vivid cyan. Relative luminance 0.225; OKLCH L 60.6% C 0.121 H 245.2°. Best body text is #000000 at 5.50:1 contrast (WCAG AA passes).

Color values

HEX#3988C5
RGBrgb(57, 136, 197)
HSLhsl(206, 55%, 50%)
HSVhsv(206, 71%, 77%)
CMYKcmyk(71.1%, 31%, 0%, 22.7%)
CIE-LABlab(54.56, -3.97, -38.65)
CIE-LCHlch(54.56, 38.86, 264.14°)
OKLaboklab(60.58% -0.0507 -0.1094)
OKLCHoklch(60.58% 0.121 245.2)
XYZxyz(20.5657, 22.5071, 56.0729)
Luminance0.2251 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3988C5 #C57639
analogous
#39C5BC #3988C5 #3942C5
triadic
#3988C5 #C53988 #88C539
tetradic
#3988C5 #BC39C5 #C57639 #42C539
square
#3988C5 #BC39C5 #C57639 #42C539
split-complementary
#3988C5 #C53942 #C5BC39
monochromatic
#1E4666 #2B6796 #3988C5 #68A5D3 #97C1E1

Accessibility & contrast

On white

3.82
#3988C5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.50
#3988C5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988C5
5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3988C5#FFFFFF#000000##000000
##3988C51.003.825.505.50
#FFFFFF3.821.0021.0021.00
#0000005.5021.001.001.00
##0000005.5021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C8AC8
Deuteranopia (green-blind)
#597DC4
Tritanopia (blue-blind)
#00979E
Achromatopsia (no color)
#838383

Design tokens & code

CSS
--color: #3988c5;
/* rgb */ color: rgb(57, 136, 197);
/* oklch */ color: oklch(60.6% 0.121 245.2);
Tailwind
colors: {
  custom: {
    50: '#80aad7',
    500: '#3988c5',
    950: '#000000',
  },
}
SCSS
$custom: #3988c5;
$custom-light: #80aad7;
$custom-dark: #000000;
JSON
{
  "hex": "#3988c5",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 197
  },
  "hsl": {
    "h": 206.143,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.60583,
    "c": 0.12058,
    "h": 245.2
  },
  "luminance": 0.22509
}

Semantic roles & 50–950 ramp

primary
#3988C5
secondary
#CDA98D
accent
#8A49DE
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0B1014
muted
#7C7F83

Preview Lab

Preview with #3988C5

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

Preview Lab → · Contrast checker → · Palette generator →

#3988C5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva