#3F8DCC#3F8DCC

#3F8DCC is a light, vivid cyan. Relative luminance 0.245; OKLCH L 62.3% C 0.122 H 246.0°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX#3F8DCC
RGBrgb(63, 141, 204)
HSLhsl(207, 58%, 52%)
HSVhsv(207, 69%, 80%)
CMYKcmyk(69.1%, 30.9%, 0%, 20%)
CIE-LABlab(56.55, -3.55, -39.48)
CIE-LCHlch(56.55, 39.64, 264.87°)
OKLaboklab(62.31% -0.0498 -0.1117)
OKLCHoklch(62.31% 0.122 246)
XYZxyz(22.4697, 24.4637, 60.6528)
Luminance0.2447 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8DCC #CC7E3F
analogous
#3FCCC5 #3F8DCC #3F46CC
triadic
#3F8DCC #CC3F8D #8DCC3F
tetradic
#3F8DCC #C53FCC #CC7E3F #46CC3F
square
#3F8DCC #C53FCC #CC7E3F #46CC3F
split-complementary
#3F8DCC #CC3F46 #CCC53F
monochromatic
#1E4D72 #2B6DA3 #3F8DCC #6FAAD9 #A0C6E6

Accessibility & contrast

On white

3.56
#3F8DCC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.89
#3F8DCC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DCC
5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8DCC#FFFFFF#000000##000000
##3F8DCC1.003.565.895.89
#FFFFFF3.561.0021.0021.00
#0000005.8921.001.001.00
##0000005.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#718FCF
Deuteranopia (green-blind)
#5D82CB
Tritanopia (blue-blind)
#009CA3
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #3f8dcc;
/* rgb */ color: rgb(63, 141, 204);
/* oklch */ color: oklch(62.3% 0.122 246.0);
Tailwind
colors: {
  custom: {
    50: '#84aedc',
    500: '#3f8dcc',
    950: '#000000',
  },
}
SCSS
$custom: #3f8dcc;
$custom-light: #84aedc;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8dcc",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 204
  },
  "hsl": {
    "h": 206.809,
    "s": 58.025,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62314,
    "c": 0.12229,
    "h": 246
  },
  "luminance": 0.24466
}

Semantic roles & 50–950 ramp

primary
#3F8DCC
secondary
#D2B095
accent
#8C47E1
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F8DCC

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8DCC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva