#3F7CC5#3F7CC5

#3F7CC5 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 58.1% C 0.129 H 254.3°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX#3F7CC5
RGBrgb(63, 124, 197)
HSLhsl(213, 54%, 51%)
HSVhsv(213, 68%, 77%)
CMYKcmyk(68%, 37.1%, 0%, 22.7%)
CIE-LABlab(51.27, 4.10, -43.84)
CIE-LCHlch(51.27, 44.03, 275.34°)
OKLaboklab(58.06% -0.0349 -0.1246)
OKLCHoklch(58.06% 0.129 254.3)
XYZxyz(19.3319, 19.5013, 55.5578)
Luminance0.1950 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F7CC5 #C5883F
analogous
#3FBFC5 #3F7CC5 #453FC5
triadic
#3F7CC5 #C53F7C #7CC53F
tetradic
#3F7CC5 #C53FBF #C5883F #3FC545
square
#3F7CC5 #C53FBF #C5883F #3FC545
split-complementary
#3F7CC5 #C5453F #BFC53F
monochromatic
#20416A #2E5F99 #3F7CC5 #6E9CD3 #9DBCE1

Accessibility & contrast

On white

4.29
#3F7CC5 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.90
#3F7CC5 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7CC5
4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F7CC5#FFFFFF#000000##000000
##3F7CC51.004.294.904.90
#FFFFFF4.291.0021.0021.00
#0000004.9021.001.001.00
##0000004.9021.001.001.00

Color blindness preview

Protanopia (red-blind)
#5B81C8
Deuteranopia (green-blind)
#4874C4
Tritanopia (blue-blind)
#008D97
Achromatopsia (no color)
#7A7A7A

Design tokens & code

CSS
--color: #3f7cc5;
/* rgb */ color: rgb(63, 124, 197);
/* oklch */ color: oklch(58.1% 0.129 254.3);
Tailwind
colors: {
  custom: {
    50: '#82a1d7',
    500: '#3f7cc5',
    950: '#000000',
  },
}
SCSS
$custom: #3f7cc5;
$custom-light: #82a1d7;
$custom-dark: #000000;
JSON
{
  "hex": "#3f7cc5",
  "rgb": {
    "r": 63,
    "g": 124,
    "b": 197
  },
  "hsl": {
    "h": 212.687,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.58057,
    "c": 0.12943,
    "h": 254.3
  },
  "luminance": 0.19503
}

Semantic roles & 50–950 ramp

primary
#3F7CC5
secondary
#CEB392
accent
#9A4BDD
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0E14
muted
#7D7E83

Preview Lab

Preview with #3F7CC5

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

Preview Lab → · Contrast checker → · Palette generator →

#3F7CC5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva