#3F89DC#3F89DC

#3F89DC is a light, vivid cyan. Relative luminance 0.241; OKLCH L 62.3% C 0.146 H 253.4°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX#3F89DC
RGBrgb(63, 137, 220)
HSLhsl(212, 69%, 55%)
HSVhsv(212, 71%, 86%)
CMYKcmyk(71.4%, 37.7%, 0%, 13.7%)
CIE-LABlab(56.20, 4.42, -49.02)
CIE-LCHlch(56.20, 49.22, 275.15°)
OKLaboklab(62.3% -0.0417 -0.1396)
OKLCHoklch(62.3% 0.146 253.4)
XYZxyz(23.9090, 24.1128, 71.0904)
Luminance0.2412 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F89DC #DC923F
analogous
#3FD7DC #3F89DC #433FDC
triadic
#3F89DC #DC3F89 #89DC3F
tetradic
#3F89DC #DC3FD7 #DC923F #3FDC43
square
#3F89DC #DC3FD7 #DC923F #3FDC43
split-complementary
#3F89DC #DC433F #D7DC3F
monochromatic
#194D88 #226BBC #3F89DC #73A9E5 #A7C9EF

Accessibility & contrast

On white

3.61
#3F89DC on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.82
#3F89DC on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89DC
5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F89DC#FFFFFF#000000##000000
##3F89DC1.003.615.825.82
#FFFFFF3.611.0021.0021.00
#0000005.8221.001.001.00
##0000005.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#638FDF
Deuteranopia (green-blind)
#4B80DA
Tritanopia (blue-blind)
#009CA8
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #3f89dc;
/* rgb */ color: rgb(63, 137, 220);
/* oklch */ color: oklch(62.3% 0.146 253.4);
Tailwind
colors: {
  custom: {
    50: '#86abe7',
    500: '#3f89dc',
    950: '#000000',
  },
}
SCSS
$custom: #3f89dc;
$custom-light: #86abe7;
$custom-dark: #000000;
JSON
{
  "hex": "#3f89dc",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 220
  },
  "hsl": {
    "h": 211.72,
    "s": 69.163,
    "l": 55.49
  },
  "oklch": {
    "l": 0.62303,
    "c": 0.14572,
    "h": 253.4
  },
  "luminance": 0.24115
}

Semantic roles & 50–950 ramp

primary
#3F89DC
secondary
#DCBD9B
accent
#993CEC
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0D1016
muted
#7D7F84

Preview Lab

Preview with #3F89DC

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

Preview Lab → · Contrast checker → · Palette generator →

#3F89DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva