#3F80C1#3F80C1

#3F80C1 is a mid, vivid cyan. Relative luminance 0.203; OKLCH L 58.7% C 0.120 H 250.6°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX#3F80C1
RGBrgb(63, 128, 193)
HSLhsl(210, 51%, 50%)
HSVhsv(210, 67%, 76%)
CMYKcmyk(67.4%, 33.7%, 0%, 24.3%)
CIE-LABlab(52.22, 0.28, -40.04)
CIE-LCHlch(52.22, 40.04, 270.40°)
OKLaboklab(58.74% -0.04 -0.1135)
OKLCHoklch(58.74% 0.12 250.6)
XYZxyz(19.3911, 20.3434, 53.3465)
Luminance0.2034 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F80C1 #C1803F
analogous
#3FC1C1 #3F80C1 #3F3FC1
triadic
#3F80C1 #C13F80 #80C13F
tetradic
#3F80C1 #C13FC1 #C1803F #3FC13F
square
#3F80C1 #C13FC1 #C1803F #3FC13F
split-complementary
#3F80C1 #C13F3F #C1C13F
monochromatic
#214365 #306193 #3F80C1 #6D9FD0 #9CBDDF

Accessibility & contrast

On white

4.14
#3F80C1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.07
#3F80C1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F80C1
5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F80C1#FFFFFF#000000##000000
##3F80C11.004.145.075.07
#FFFFFF4.141.0021.0021.00
#0000005.0721.001.001.00
##0000005.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6383C4
Deuteranopia (green-blind)
#5177C0
Tritanopia (blue-blind)
#008F97
Achromatopsia (no color)
#7D7D7D

Design tokens & code

CSS
--color: #3f80c1;
/* rgb */ color: rgb(63, 128, 193);
/* oklch */ color: oklch(58.7% 0.120 250.6);
Tailwind
colors: {
  custom: {
    50: '#82a4d4',
    500: '#3f80c1',
    950: '#000000',
  },
}
SCSS
$custom: #3f80c1;
$custom-light: #82a4d4;
$custom-dark: #000000;
JSON
{
  "hex": "#3f80c1",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 193
  },
  "hsl": {
    "h": 210,
    "s": 51.181,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58737,
    "c": 0.12032,
    "h": 250.6
  },
  "luminance": 0.20345
}

Semantic roles & 50–950 ramp

primary
#3F80C1
secondary
#CBAE91
accent
#944DDB
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C0F14
muted
#7D7F83

Preview Lab

Preview with #3F80C1

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

Preview Lab → · Contrast checker → · Palette generator →

#3F80C1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva