#3988BD#3988BD

#3988BD is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.2% C 0.111 H 241.5°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX#3988BD
RGBrgb(57, 136, 189)
HSLhsl(204, 54%, 48%)
HSVhsv(204, 70%, 74%)
CMYKcmyk(69.8%, 28%, 0%, 25.9%)
CIE-LABlab(54.19, -6.76, -34.69)
CIE-LCHlch(54.19, 35.34, 258.98°)
OKLaboklab(60.16% -0.0532 -0.0979)
OKLCHoklch(60.16% 0.111 241.5)
XYZxyz(19.6733, 22.1501, 51.3728)
Luminance0.2215 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3988BD #BD6E39
analogous
#39BDB0 #3988BD #3946BD
triadic
#3988BD #BD3988 #88BD39
tetradic
#3988BD #B039BD #BD6E39 #46BD39
square
#3988BD #B039BD #BD6E39 #46BD39
split-complementary
#3988BD #BD3946 #BDB039
monochromatic
#1D445F #2B668E #3988BD #63A4D0 #92C0DE

Accessibility & contrast

On white

3.87
#3988BD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.43
#3988BD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3988BD
5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3988BD#FFFFFF#000000##000000
##3988BD1.003.875.435.43
#FFFFFF3.871.0021.0021.00
#0000005.4321.001.001.00
##0000005.4321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7089BF
Deuteranopia (green-blind)
#5E7CBC
Tritanopia (blue-blind)
#00959A
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3988bd;
/* rgb */ color: rgb(57, 136, 189);
/* oklch */ color: oklch(60.2% 0.111 241.5);
Tailwind
colors: {
  custom: {
    50: '#7faad1',
    500: '#3988bd',
    950: '#000000',
  },
}
SCSS
$custom: #3988bd;
$custom-light: #7faad1;
$custom-dark: #000000;
JSON
{
  "hex": "#3988bd",
  "rgb": {
    "r": 57,
    "g": 136,
    "b": 189
  },
  "hsl": {
    "h": 204.091,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.60164,
    "c": 0.1114,
    "h": 241.5
  },
  "luminance": 0.22152
}

Semantic roles & 50–950 ramp

primary
#3988BD
secondary
#C9A389
accent
#854BDD
background
#F8FAFC
surface
#EFF4F9
border
#CACED2
text
#0B1014
muted
#7C7F82

Preview Lab

Preview with #3988BD

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

Preview Lab → · Contrast checker → · Palette generator →

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