#3F8FCE#3F8FCE

#3F8FCE is a light, vivid cyan. Relative luminance 0.252; OKLCH L 62.9% C 0.123 H 245.4°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX#3F8FCE
RGBrgb(63, 143, 206)
HSLhsl(206, 59%, 53%)
HSVhsv(206, 69%, 81%)
CMYKcmyk(69.4%, 30.6%, 0%, 19.2%)
CIE-LABlab(57.23, -4.01, -39.54)
CIE-LCHlch(57.23, 39.74, 264.20°)
OKLaboklab(62.88% -0.0512 -0.1118)
OKLCHoklch(62.88% 0.123 245.4)
XYZxyz(23.0087, 25.1554, 62.0234)
Luminance0.2516 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8FCE #CE7E3F
analogous
#3FCEC6 #3F8FCE #3F47CE
triadic
#3F8FCE #CE3F8F #8FCE3F
tetradic
#3F8FCE #C63FCE #CE7E3F #47CE3F
square
#3F8FCE #C63FCE #CE7E3F #47CE3F
split-complementary
#3F8FCE #CE3F47 #CEC63F
monochromatic
#1E4E75 #2A6FA6 #3F8FCE #70ABDA #A1C8E7

Accessibility & contrast

On white

3.48
#3F8FCE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.03
#3F8FCE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8FCE
6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8FCE#FFFFFF#000000##000000
##3F8FCE1.003.486.036.03
#FFFFFF3.481.0021.0021.00
#0000006.0321.001.001.00
##0000006.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7391D1
Deuteranopia (green-blind)
#5F83CD
Tritanopia (blue-blind)
#009EA5
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #3f8fce;
/* rgb */ color: rgb(63, 143, 206);
/* oklch */ color: oklch(62.9% 0.123 245.4);
Tailwind
colors: {
  custom: {
    50: '#84afdd',
    500: '#3f8fce',
    950: '#000000',
  },
}
SCSS
$custom: #3f8fce;
$custom-light: #84afdd;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8fce",
  "rgb": {
    "r": 63,
    "g": 143,
    "b": 206
  },
  "hsl": {
    "h": 206.434,
    "s": 59.336,
    "l": 52.745
  },
  "oklch": {
    "l": 0.62879,
    "c": 0.123,
    "h": 245.4
  },
  "luminance": 0.25158
}

Semantic roles & 50–950 ramp

primary
#3F8FCE
secondary
#D3B195
accent
#8B45E3
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F8FCE

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8FCE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva