#3F7EC8#3F7EC8

#3F7EC8 is a mid, vivid cyan. Relative luminance 0.201; OKLCH L 58.7% C 0.131 H 254.0°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX#3F7EC8
RGBrgb(63, 126, 200)
HSLhsl(212, 55%, 52%)
HSVhsv(212, 69%, 78%)
CMYKcmyk(68.5%, 37%, 0%, 21.6%)
CIE-LABlab(52.00, 3.95, -44.39)
CIE-LCHlch(52.00, 44.56, 275.08°)
OKLaboklab(58.68% -0.0361 -0.1262)
OKLCHoklch(58.68% 0.131 254)
XYZxyz(19.9323, 20.1465, 57.4706)
Luminance0.2015 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F7EC8 #C8893F
analogous
#3FC3C8 #3F7EC8 #453FC8
triadic
#3F7EC8 #C83F7E #7EC83F
tetradic
#3F7EC8 #C83FC3 #C8893F #3FC845
square
#3F7EC8 #C83FC3 #C8893F #3FC845
split-complementary
#3F7EC8 #C8453F #C3C83F
monochromatic
#1F436D #2D609D #3F7EC8 #6F9ED6 #9EBEE3

Accessibility & contrast

On white

4.18
#3F7EC8 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.03
#3F7EC8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F7EC8
5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F7EC8#FFFFFF#000000##000000
##3F7EC81.004.185.035.03
#FFFFFF4.181.0021.0021.00
#0000005.0321.001.001.00
##0000005.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#5D83CB
Deuteranopia (green-blind)
#4976C7
Tritanopia (blue-blind)
#008F99
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #3f7ec8;
/* rgb */ color: rgb(63, 126, 200);
/* oklch */ color: oklch(58.7% 0.131 254.0);
Tailwind
colors: {
  custom: {
    50: '#83a3d9',
    500: '#3f7ec8',
    950: '#000000',
  },
}
SCSS
$custom: #3f7ec8;
$custom-light: #83a3d9;
$custom-dark: #000000;
JSON
{
  "hex": "#3f7ec8",
  "rgb": {
    "r": 63,
    "g": 126,
    "b": 200
  },
  "hsl": {
    "h": 212.409,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.58681,
    "c": 0.13128,
    "h": 254
  },
  "luminance": 0.20149
}

Semantic roles & 50–950 ramp

primary
#3F7EC8
secondary
#D0B493
accent
#9A49DF
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0C0F14
muted
#7D7E83

Preview Lab

Preview with #3F7EC8

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

Preview Lab → · Contrast checker → · Palette generator →

#3F7EC8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva