#3F93B3#3F93B3

#3F93B3 is a light, moderate cyan. Relative luminance 0.252; OKLCH L 62.5% C 0.093 H 226.4°. Best body text is #000000 at 6.04:1 contrast (WCAG AA passes).

Color values

HEX#3F93B3
RGBrgb(63, 147, 179)
HSLhsl(197, 48%, 47%)
HSVhsv(197, 65%, 70%)
CMYKcmyk(64.8%, 17.9%, 0%, 29.8%)
CIE-LABlab(57.25, -15.30, -24.23)
CIE-LCHlch(57.25, 28.65, 237.73°)
OKLaboklab(62.51% -0.0645 -0.0677)
OKLCHoklch(62.51% 0.093 226.4)
XYZxyz(20.6171, 25.1767, 46.4121)
Luminance0.2518 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F93B3 #B35F3F
analogous
#3FB399 #3F93B3 #3F59B3
triadic
#3F93B3 #B33F93 #93B33F
tetradic
#3F93B3 #993FB3 #B35F3F #59B33F
square
#3F93B3 #993FB3 #B35F3F #59B33F
split-complementary
#3F93B3 #B33F59 #B3993F
monochromatic
#1F4958 #2F6E86 #3F93B3 #66AEC9 #93C6D9

Accessibility & contrast

On white

3.48
#3F93B3 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.04
#3F93B3 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F93B3
6.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F93B3#FFFFFF#000000##000000
##3F93B31.003.486.046.04
#FFFFFF3.481.0021.0021.00
#0000006.0421.001.001.00
##0000006.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8290B5
Deuteranopia (green-blind)
#7184B3
Tritanopia (blue-blind)
#009C9D
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #3f93b3;
/* rgb */ color: rgb(63, 147, 179);
/* oklch */ color: oklch(62.5% 0.093 226.4);
Tailwind
colors: {
  custom: {
    50: '#80b2c9',
    500: '#3f93b3',
    950: '#000000',
  },
}
SCSS
$custom: #3f93b3;
$custom-light: #80b2c9;
$custom-dark: #000000;
JSON
{
  "hex": "#3f93b3",
  "rgb": {
    "r": 63,
    "g": 147,
    "b": 179
  },
  "hsl": {
    "h": 196.552,
    "s": 47.934,
    "l": 47.451
  },
  "oklch": {
    "l": 0.62512,
    "c": 0.09346,
    "h": 226.4
  },
  "luminance": 0.25179
}

Semantic roles & 50–950 ramp

primary
#3F93B3
secondary
#C49A89
accent
#7650D8
background
#F8FBFC
surface
#EFF6F8
border
#CAD0D1
text
#0B1113
muted
#7C8082

Preview Lab

Preview with #3F93B3

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

Preview Lab → · Contrast checker → · Palette generator →

#3F93B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva