#3F8ED0#3F8ED0

#3F8ED0 is a light, vivid cyan. Relative luminance 0.250; OKLCH L 62.8% C 0.126 H 246.9°. Best body text is #000000 at 5.99:1 contrast (WCAG AA passes).

Color values

HEX#3F8ED0
RGBrgb(63, 142, 208)
HSLhsl(207, 61%, 53%)
HSVhsv(207, 70%, 82%)
CMYKcmyk(69.7%, 31.7%, 0%, 18.4%)
CIE-LABlab(57.03, -2.74, -40.97)
CIE-LCHlch(57.03, 41.06, 266.17°)
OKLaboklab(62.76% -0.0496 -0.116)
OKLCHoklch(62.76% 0.126 246.9)
XYZxyz(23.1038, 24.9543, 63.2613)
Luminance0.2496 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8ED0 #D0813F
analogous
#3FD0C9 #3F8ED0 #3F46D0
triadic
#3F8ED0 #D03F8E #8ED03F
tetradic
#3F8ED0 #C93FD0 #D0813F #46D03F
square
#3F8ED0 #C93FD0 #D0813F #46D03F
split-complementary
#3F8ED0 #D03F46 #D0C93F
monochromatic
#1D4E77 #296FA9 #3F8ED0 #70ABDC #A1C8E8

Accessibility & contrast

On white

3.51
#3F8ED0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.99
#3F8ED0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ED0
5.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8ED0#FFFFFF#000000##000000
##3F8ED01.003.515.995.99
#FFFFFF3.511.0021.0021.00
#0000005.9921.001.001.00
##0000005.9921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7090D3
Deuteranopia (green-blind)
#5C83CF
Tritanopia (blue-blind)
#009EA6
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #3f8ed0;
/* rgb */ color: rgb(63, 142, 208);
/* oklch */ color: oklch(62.8% 0.126 246.9);
Tailwind
colors: {
  custom: {
    50: '#84aede',
    500: '#3f8ed0',
    950: '#000000',
  },
}
SCSS
$custom: #3f8ed0;
$custom-light: #84aede;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8ed0",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 208
  },
  "hsl": {
    "h": 207.31,
    "s": 60.669,
    "l": 53.137
  },
  "oklch": {
    "l": 0.62756,
    "c": 0.1262,
    "h": 246.9
  },
  "luminance": 0.24957
}

Semantic roles & 50–950 ramp

primary
#3F8ED0
secondary
#D5B396
accent
#8D44E4
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F8ED0

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8ED0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva