#3F8DCD#3F8DCD

#3F8DCD is a light, vivid cyan. Relative luminance 0.245; OKLCH L 62.4% C 0.123 H 246.4°. Best body text is #000000 at 5.90:1 contrast (WCAG AA passes).

Color values

HEX#3F8DCD
RGBrgb(63, 141, 205)
HSLhsl(207, 59%, 53%)
HSVhsv(207, 69%, 80%)
CMYKcmyk(69.3%, 31.2%, 0%, 19.6%)
CIE-LABlab(56.60, -3.20, -39.97)
CIE-LCHlch(56.60, 40.09, 265.42°)
OKLaboklab(62.37% -0.0495 -0.1131)
OKLCHoklch(62.37% 0.123 246.4)
XYZxyz(22.5900, 24.5119, 61.2865)
Luminance0.2451 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8DCD #CD7F3F
analogous
#3FCDC6 #3F8DCD #3F46CD
triadic
#3F8DCD #CD3F8D #8DCD3F
tetradic
#3F8DCD #C63FCD #CD7F3F #46CD3F
square
#3F8DCD #C63FCD #CD7F3F #46CD3F
split-complementary
#3F8DCD #CD3F46 #CDC63F
monochromatic
#1E4D74 #2B6DA4 #3F8DCD #70AADA #A0C7E6

Accessibility & contrast

On white

3.56
#3F8DCD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.90
#3F8DCD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DCD
5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8DCD#FFFFFF#000000##000000
##3F8DCD1.003.565.905.90
#FFFFFF3.561.0021.0021.00
#0000005.9021.001.001.00
##0000005.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#708FD0
Deuteranopia (green-blind)
#5D82CC
Tritanopia (blue-blind)
#009CA4
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #3f8dcd;
/* rgb */ color: rgb(63, 141, 205);
/* oklch */ color: oklch(62.4% 0.123 246.4);
Tailwind
colors: {
  custom: {
    50: '#84aedc',
    500: '#3f8dcd',
    950: '#000000',
  },
}
SCSS
$custom: #3f8dcd;
$custom-light: #84aedc;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8dcd",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 205
  },
  "hsl": {
    "h": 207.042,
    "s": 58.678,
    "l": 52.549
  },
  "oklch": {
    "l": 0.62367,
    "c": 0.12348,
    "h": 246.4
  },
  "luminance": 0.24514
}

Semantic roles & 50–950 ramp

primary
#3F8DCD
secondary
#D3B195
accent
#8C46E2
background
#F8FAFD
surface
#F0F4FB
border
#CBCED4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F8DCD

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8DCD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva