#3F8DC5#3F8DC5

#3F8DC5 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 62.0% C 0.114 H 242.9°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX#3F8DC5
RGBrgb(63, 141, 197)
HSLhsl(205, 54%, 51%)
HSVhsv(205, 68%, 77%)
CMYKcmyk(68%, 28.4%, 0%, 22.7%)
CIE-LABlab(56.22, -5.95, -36.03)
CIE-LCHlch(56.22, 36.52, 260.62°)
OKLaboklab(61.95% -0.0519 -0.1017)
OKLCHoklch(61.95% 0.114 242.9)
XYZxyz(21.6490, 24.1354, 56.3302)
Luminance0.2414 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8DC5 #C5773F
analogous
#3FC5BA #3F8DC5 #3F4AC5
triadic
#3F8DC5 #C53F8D #8DC53F
tetradic
#3F8DC5 #BA3FC5 #C5773F #4AC53F
square
#3F8DC5 #BA3FC5 #C5773F #4AC53F
split-complementary
#3F8DC5 #C53F4A #C5BA3F
monochromatic
#204B6A #2E6C99 #3F8DC5 #6EA9D3 #9DC5E1

Accessibility & contrast

On white

3.60
#3F8DC5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.83
#3F8DC5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8DC5
5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8DC5#FFFFFF#000000##000000
##3F8DC51.003.605.835.83
#FFFFFF3.601.0021.0021.00
#0000005.8321.001.001.00
##0000005.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#748EC8
Deuteranopia (green-blind)
#6181C4
Tritanopia (blue-blind)
#009BA1
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #3f8dc5;
/* rgb */ color: rgb(63, 141, 197);
/* oklch */ color: oklch(62.0% 0.114 242.9);
Tailwind
colors: {
  custom: {
    50: '#83aed7',
    500: '#3f8dc5',
    950: '#000000',
  },
}
SCSS
$custom: #3f8dc5;
$custom-light: #83aed7;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8dc5",
  "rgb": {
    "r": 63,
    "g": 141,
    "b": 197
  },
  "hsl": {
    "h": 205.075,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.6195,
    "c": 0.11418,
    "h": 242.9
  },
  "luminance": 0.24138
}

Semantic roles & 50–950 ramp

primary
#3F8DC5
secondary
#CEAB92
accent
#884BDD
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1014
muted
#7D7F83

Preview Lab

Preview with #3F8DC5

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8DC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva