#3F97D9#3F97D9

#3F97D9 is a light, vivid cyan. Relative luminance 0.282; OKLCH L 65.3% C 0.129 H 244.5°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX#3F97D9
RGBrgb(63, 151, 217)
HSLhsl(206, 67%, 55%)
HSVhsv(206, 71%, 85%)
CMYKcmyk(71%, 30.4%, 0%, 14.9%)
CIE-LABlab(60.07, -4.82, -41.24)
CIE-LCHlch(60.07, 41.52, 263.34°)
OKLaboklab(65.29% -0.0556 -0.1167)
OKLCHoklch(65.29% 0.129 244.5)
XYZxyz(25.6361, 28.1969, 69.7236)
Luminance0.2820 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F97D9 #D9813F
analogous
#3FD9CE #3F97D9 #3F4AD9
triadic
#3F97D9 #D93F97 #97D93F
tetradic
#3F97D9 #CE3FD9 #D9813F #4AD93F
square
#3F97D9 #CE3FD9 #D9813F #4AD93F
split-complementary
#3F97D9 #D93F4A #D9CE3F
monochromatic
#1A5684 #2478B7 #3F97D9 #72B3E3 #A5CEED

Accessibility & contrast

On white

3.16
#3F97D9 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.64
#3F97D9 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F97D9
6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F97D9#FFFFFF#000000##000000
##3F97D91.003.166.646.64
#FFFFFF3.161.0021.0021.00
#0000006.6421.001.001.00
##0000006.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#7999DC
Deuteranopia (green-blind)
#648AD8
Tritanopia (blue-blind)
#00A7AE
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #3f97d9;
/* rgb */ color: rgb(63, 151, 217);
/* oklch */ color: oklch(65.3% 0.129 244.5);
Tailwind
colors: {
  custom: {
    50: '#86b5e5',
    500: '#3f97d9',
    950: '#000000',
  },
}
SCSS
$custom: #3f97d9;
$custom-light: #86b5e5;
$custom-dark: #000000;
JSON
{
  "hex": "#3f97d9",
  "rgb": {
    "r": 63,
    "g": 151,
    "b": 217
  },
  "hsl": {
    "h": 205.714,
    "s": 66.957,
    "l": 54.902
  },
  "oklch": {
    "l": 0.6529,
    "c": 0.1293,
    "h": 244.5
  },
  "luminance": 0.282
}

Semantic roles & 50–950 ramp

primary
#3F97D9
secondary
#DAB59A
accent
#883EEA
background
#F8FBFE
surface
#F0F6FC
border
#CBD0D5
text
#0D1115
muted
#7D8084

Preview Lab

Preview with #3F97D9

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

Preview Lab → · Contrast checker → · Palette generator →

#3F97D9 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva