#3F90C7#3F90C7

#3F90C7 is a light, moderate cyan. Relative luminance 0.251; OKLCH L 62.7% C 0.114 H 241.6°. Best body text is #000000 at 6.03:1 contrast (WCAG AA passes).

Color values

HEX#3F90C7
RGBrgb(63, 144, 199)
HSLhsl(204, 55%, 51%)
HSVhsv(204, 68%, 78%)
CMYKcmyk(68.3%, 27.6%, 0%, 22%)
CIE-LABlab(57.20, -6.99, -35.64)
CIE-LCHlch(57.20, 36.32, 258.91°)
OKLaboklab(62.75% -0.0543 -0.1005)
OKLCHoklch(62.75% 0.114 241.6)
XYZxyz(22.3280, 25.1244, 57.6945)
Luminance0.2513 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F90C7 #C7763F
analogous
#3FC7BA #3F90C7 #3F4CC7
triadic
#3F90C7 #C73F90 #90C73F
tetradic
#3F90C7 #BA3FC7 #C7763F #4CC73F
square
#3F90C7 #BA3FC7 #C7763F #4CC73F
split-complementary
#3F90C7 #C73F4C #C7BA3F
monochromatic
#204D6C #2D6F9B #3F90C7 #6EABD5 #9EC7E3

Accessibility & contrast

On white

3.49
#3F90C7 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.03
#3F90C7 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90C7
6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F90C7#FFFFFF#000000##000000
##3F90C71.003.496.036.03
#FFFFFF3.491.0021.0021.00
#0000006.0321.001.001.00
##0000006.0321.001.001.00

Color blindness preview

Protanopia (red-blind)
#7791C9
Deuteranopia (green-blind)
#6483C6
Tritanopia (blue-blind)
#009EA3
Achromatopsia (no color)
#898989

Design tokens & code

CSS
--color: #3f90c7;
/* rgb */ color: rgb(63, 144, 199);
/* oklch */ color: oklch(62.7% 0.114 241.6);
Tailwind
colors: {
  custom: {
    50: '#83b0d8',
    500: '#3f90c7',
    950: '#000000',
  },
}
SCSS
$custom: #3f90c7;
$custom-light: #83b0d8;
$custom-dark: #000000;
JSON
{
  "hex": "#3f90c7",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 199
  },
  "hsl": {
    "h": 204.265,
    "s": 54.839,
    "l": 51.373
  },
  "oklch": {
    "l": 0.6275,
    "c": 0.11426,
    "h": 241.6
  },
  "luminance": 0.25127
}

Semantic roles & 50–950 ramp

primary
#3F90C7
secondary
#CFAB93
accent
#864ADE
background
#F8FAFD
surface
#F0F4FA
border
#CBCED3
text
#0C1014
muted
#7D7F83

Preview Lab

Preview with #3F90C7

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

Preview Lab → · Contrast checker → · Palette generator →

#3F90C7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva