#3F92CB#3F92CB

#3F92CB is a light, moderate cyan. Relative luminance 0.259; OKLCH L 63.4% C 0.117 H 242.0°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX#3F92CB
RGBrgb(63, 146, 203)
HSLhsl(204, 57%, 52%)
HSVhsv(204, 69%, 80%)
CMYKcmyk(69%, 28.1%, 0%, 20.4%)
CIE-LABlab(57.96, -6.77, -36.69)
CIE-LCHlch(57.96, 37.31, 259.55°)
OKLaboklab(63.42% -0.0551 -0.1035)
OKLCHoklch(63.42% 0.117 242)
XYZxyz(23.1041, 25.9238, 60.2745)
Luminance0.2593 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F92CB #CB783F
analogous
#3FCBBE #3F92CB #3F4CCB
triadic
#3F92CB #CB3F92 #92CB3F
tetradic
#3F92CB #BE3FCB #CB783F #4CCB3F
square
#3F92CB #BE3FCB #CB783F #4CCB3F
split-complementary
#3F92CB #CB3F4C #CBBE3F
monochromatic
#1F4F71 #2C71A1 #3F92CB #6FADD8 #9FC9E5

Accessibility & contrast

On white

3.40
#3F92CB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.19
#3F92CB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F92CB
6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F92CB#FFFFFF#000000##000000
##3F92CB1.003.406.196.19
#FFFFFF3.401.0021.0021.00
#0000006.1921.001.001.00
##0000006.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7893CE
Deuteranopia (green-blind)
#6585CA
Tritanopia (blue-blind)
#00A0A6
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #3f92cb;
/* rgb */ color: rgb(63, 146, 203);
/* oklch */ color: oklch(63.4% 0.117 242.0);
Tailwind
colors: {
  custom: {
    50: '#84b1db',
    500: '#3f92cb',
    950: '#000000',
  },
}
SCSS
$custom: #3f92cb;
$custom-light: #84b1db;
$custom-dark: #000000;
JSON
{
  "hex": "#3f92cb",
  "rgb": {
    "r": 63,
    "g": 146,
    "b": 203
  },
  "hsl": {
    "h": 204.429,
    "s": 57.377,
    "l": 52.157
  },
  "oklch": {
    "l": 0.63417,
    "c": 0.11728,
    "h": 242
  },
  "luminance": 0.25926
}

Semantic roles & 50–950 ramp

primary
#3F92CB
secondary
#D1AD94
accent
#8647E1
background
#F8FAFD
surface
#F0F5FB
border
#CBCFD4
text
#0C1015
muted
#7D7F83

Preview Lab

Preview with #3F92CB

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

Preview Lab → · Contrast checker → · Palette generator →

#3F92CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva