#3F8DCA#3F8DCA

#3F8DCA is a light, moderate cyan. Relative luminance 0.244; OKLCH L 62.2% C 0.120 H 245.2°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX#3F8DCA
RGBrgb(63, 141, 202)
HSLhsl(206, 57%, 52%)
HSVhsv(206, 69%, 79%)
CMYKcmyk(68.8%, 30.2%, 0%, 20.8%)
CIE-LABlab(56.45, -4.24, -38.50)
CIE-LCHlch(56.45, 38.73, 263.72°)
OKLaboklab(62.21% -0.0504 -0.1088)
OKLCHoklch(62.21% 0.12 245.2)
XYZxyz(22.2314, 24.3684, 59.3976)
Luminance0.2437 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8DCA #CA7C3F
analogous
#3FCAC2 #3F8DCA #3F48CA
triadic
#3F8DCA #CA3F8D #8DCA3F
tetradic
#3F8DCA #C23FCA #CA7C3F #48CA3F
square
#3F8DCA #C23FCA #CA7C3F #48CA3F
split-complementary
#3F8DCA #CA3F48 #CAC23F
monochromatic
#1F4C70 #2C6DA0 #3F8DCA #6FA9D7 #9FC6E4

Accessibility & contrast

On white

3.57
#3F8DCA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.87
#3F8DCA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DCA
5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8DCA#FFFFFF#000000##000000
##3F8DCA1.003.575.875.87
#FFFFFF3.571.0021.0021.00
#0000005.8721.001.001.00
##0000005.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#728FCD
Deuteranopia (green-blind)
#5E81C9
Tritanopia (blue-blind)
#009CA3
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #3f8dca;
/* rgb */ color: rgb(63, 141, 202);
/* oklch */ color: oklch(62.2% 0.120 245.2);
Tailwind
colors: {
  custom: {
    50: '#83aeda',
    500: '#3f8dca',
    950: '#000000',
  },
}
SCSS
$custom: #3f8dca;
$custom-light: #83aeda;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8dca",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 202
  },
  "hsl": {
    "h": 206.331,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.62209,
    "c": 0.11994,
    "h": 245.2
  },
  "luminance": 0.24371
}

Semantic roles & 50–950 ramp

primary
#3F8DCA
secondary
#D1AF94
accent
#8B48E0
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F8DCA

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8DCA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva