#3986CB#3986CB

#3986CB is a mid, vivid cyan. Relative luminance 0.222; OKLCH L 60.5% C 0.130 H 248.7°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX#3986CB
RGBrgb(57, 134, 203)
HSLhsl(208, 58%, 51%)
HSVhsv(208, 72%, 80%)
CMYKcmyk(71.9%, 34%, 0%, 20.4%)
CIE-LABlab(54.27, -0.67, -42.52)
CIE-LCHlch(54.27, 42.52, 269.09°)
OKLaboklab(60.45% -0.047 -0.1207)
OKLCHoklch(60.45% 0.13 248.7)
XYZxyz(20.9879, 22.2295, 59.6729)
Luminance0.2223 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3986CB #CB7E39
analogous
#39CBC7 #3986CB #393DCB
triadic
#3986CB #CB3986 #86CB39
tetradic
#3986CB #C739CB #CB7E39 #3DCB39
square
#3986CB #C739CB #CB7E39 #3DCB39
split-complementary
#3986CB #CB393D #CBC739
monochromatic
#1D476D #29679D #3986CB #69A4D8 #9AC1E4

Accessibility & contrast

On white

3.86
#3986CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.45
#3986CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3986CB
5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3986CB#FFFFFF#000000##000000
##3986CB1.003.865.455.45
#FFFFFF3.861.0021.0021.00
#0000005.4521.001.001.00
##0000005.4521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6789CE
Deuteranopia (green-blind)
#527CCA
Tritanopia (blue-blind)
#00969F
Achromatopsia (no color)
#828282

Design tokens & code

CSS
--color: #3986cb;
/* rgb */ color: rgb(57, 134, 203);
/* oklch */ color: oklch(60.5% 0.130 248.7);
Tailwind
colors: {
  custom: {
    50: '#81a8db',
    500: '#3986cb',
    950: '#000000',
  },
}
SCSS
$custom: #3986cb;
$custom-light: #81a8db;
$custom-dark: #000000;
JSON
{
  "hex": "#3986cb",
  "rgb": {
    "r": 57,
    "g": 134,
    "b": 203
  },
  "hsl": {
    "h": 208.356,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.6045,
    "c": 0.12954,
    "h": 248.7
  },
  "luminance": 0.22232
}

Semantic roles & 50–950 ramp

primary
#3986CB
secondary
#D0AE90
accent
#9046E2
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C0F15
muted
#7D7F83

Preview Lab

Preview with #3986CB

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

Preview Lab → · Contrast checker → · Palette generator →

#3986CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva