#3F90C0#3F90C0

#3F90C0 is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.4% C 0.107 H 237.9°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX#3F90C0
RGBrgb(63, 144, 192)
HSLhsl(202, 51%, 50%)
HSVhsv(202, 67%, 75%)
CMYKcmyk(67.2%, 25%, 0%, 24.7%)
CIE-LABlab(56.89, -9.36, -32.17)
CIE-LCHlch(56.89, 33.50, 253.78°)
OKLaboklab(62.4% -0.0566 -0.0905)
OKLCHoklch(62.4% 0.107 237.9)
XYZxyz(21.5339, 24.8068, 53.5123)
Luminance0.2481 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F90C0 #C06F3F
analogous
#3FC0B0 #3F90C0 #3F4FC0
triadic
#3F90C0 #C03F90 #90C03F
tetradic
#3F90C0 #B03FC0 #C06F3F #4FC03F
square
#3F90C0 #B03FC0 #C06F3F #4FC03F
split-complementary
#3F90C0 #C03F4F #C0B03F
monochromatic
#214B64 #306D92 #3F90C0 #6DABCF #9BC5DE

Accessibility & contrast

On white

3.52
#3F90C0 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.96
#3F90C0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F90C0
5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F90C0#FFFFFF#000000##000000
##3F90C01.003.525.965.96
#FFFFFF3.521.0021.0021.00
#0000005.9621.001.001.00
##0000005.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7A90C2
Deuteranopia (green-blind)
#6883BF
Tritanopia (blue-blind)
#009CA0
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #3f90c0;
/* rgb */ color: rgb(63, 144, 192);
/* oklch */ color: oklch(62.4% 0.107 237.9);
Tailwind
colors: {
  custom: {
    50: '#82b0d3',
    500: '#3f90c0',
    950: '#000000',
  },
}
SCSS
$custom: #3f90c0;
$custom-light: #82b0d3;
$custom-dark: #000000;
JSON
{
  "hex": "#3f90c0",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 192
  },
  "hsl": {
    "h": 202.326,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.62402,
    "c": 0.10673,
    "h": 237.9
  },
  "luminance": 0.24809
}

Semantic roles & 50–950 ramp

primary
#3F90C0
secondary
#CAA691
accent
#824EDA
background
#F8FAFC
surface
#F0F4F9
border
#CBCED2
text
#0C1014
muted
#7D7F82

Preview Lab

Preview with #3F90C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3F90C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva