#3988A8#3988A8

#3988A8 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.1% C 0.090 H 228.0°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX#3988A8
RGBrgb(57, 136, 168)
HSLhsl(197, 49%, 44%)
HSVhsv(197, 66%, 66%)
CMYKcmyk(66.1%, 19%, 0%, 34.1%)
CIE-LABlab(53.28, -13.87, -24.06)
CIE-LCHlch(53.28, 27.77, 240.04°)
OKLaboklab(59.15% -0.0605 -0.0673)
OKLCHoklch(59.15% 0.09 228)
XYZxyz(17.5566, 21.3035, 40.2249)
Luminance0.2130 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3988A8 #A85939
analogous
#39A891 #3988A8 #3951A8
triadic
#3988A8 #A83988 #88A839
tetradic
#3988A8 #9139A8 #A85939 #51A839
square
#3988A8 #9139A8 #A85939 #51A839
split-complementary
#3988A8 #A83951 #A89139
monochromatic
#1A3E4D #29637A #3988A8 #58A6C6 #86BFD6

Accessibility & contrast

On white

3.99
#3988A8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.26
#3988A8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988A8
5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3988A8#FFFFFF#000000##000000
##3988A81.003.995.265.26
#FFFFFF3.991.0021.0021.00
#0000005.2621.001.001.00
##0000005.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7786AA
Deuteranopia (green-blind)
#687AA8
Tritanopia (blue-blind)
#009192
Achromatopsia (no color)
#7F7F7F

Design tokens & code

CSS
--color: #3988a8;
/* rgb */ color: rgb(57, 136, 168);
/* oklch */ color: oklch(59.1% 0.090 228.0);
Tailwind
colors: {
  custom: {
    50: '#7caac2',
    500: '#3988a8',
    950: '#000000',
  },
}
SCSS
$custom: #3988a8;
$custom-light: #7caac2;
$custom-dark: #000000;
JSON
{
  "hex": "#3988a8",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 168
  },
  "hsl": {
    "h": 197.297,
    "s": 49.333,
    "l": 44.118
  },
  "oklch": {
    "l": 0.59145,
    "c": 0.09049,
    "h": 228
  },
  "luminance": 0.21305
}

Semantic roles & 50–950 ramp

primary
#3988A8
secondary
#C0907D
accent
#774FD9
background
#F8FAFB
surface
#EFF4F7
border
#CACED0
text
#0A1012
muted
#7C7F81

Preview Lab

Preview with #3988A8

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

Preview Lab → · Contrast checker → · Palette generator →

#3988A8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva