#3F89DD#3F89DD

#3F89DD is a light, vivid cyan. Relative luminance 0.242; OKLCH L 62.4% C 0.147 H 253.6°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX#3F89DD
RGBrgb(63, 137, 221)
HSLhsl(212, 70%, 56%)
HSVhsv(212, 71%, 87%)
CMYKcmyk(71.5%, 38%, 0%, 13.3%)
CIE-LABlab(56.25, 4.78, -49.50)
CIE-LCHlch(56.25, 49.73, 275.51°)
OKLaboklab(62.36% -0.0414 -0.141)
OKLCHoklch(62.36% 0.147 253.6)
XYZxyz(24.0419, 24.1659, 71.7900)
Luminance0.2417 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F89DD #DD933F
analogous
#3FD8DD #3F89DD #443FDD
triadic
#3F89DD #DD3F89 #89DD3F
tetradic
#3F89DD #DD3FD8 #DD933F #3FDD44
square
#3F89DD #DD3FD8 #DD933F #3FDD44
split-complementary
#3F89DD #DD443F #D8DD3F
monochromatic
#184D89 #226ABD #3F89DD #73A9E6 #A7C9EF

Accessibility & contrast

On white

3.60
#3F89DD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.83
#3F89DD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F89DD
5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F89DD#FFFFFF#000000##000000
##3F89DD1.003.605.835.83
#FFFFFF3.601.0021.0021.00
#0000005.8321.001.001.00
##0000005.8321.001.001.00

Color blindness preview

Protanopia (red-blind)
#628FE0
Deuteranopia (green-blind)
#4A80DB
Tritanopia (blue-blind)
#009DA8
Achromatopsia (no color)
#878787

Design tokens & code

CSS
--color: #3f89dd;
/* rgb */ color: rgb(63, 137, 221);
/* oklch */ color: oklch(62.4% 0.147 253.6);
Tailwind
colors: {
  custom: {
    50: '#87aae8',
    500: '#3f89dd',
    950: '#000000',
  },
}
SCSS
$custom: #3f89dd;
$custom-light: #87aae8;
$custom-dark: #000000;
JSON
{
  "hex": "#3f89dd",
  "rgb": {
    "r": 63,
    "g": 137,
    "b": 221
  },
  "hsl": {
    "h": 211.899,
    "s": 69.912,
    "l": 55.686
  },
  "oklch": {
    "l": 0.62362,
    "c": 0.14699,
    "h": 253.6
  },
  "luminance": 0.24169
}

Semantic roles & 50–950 ramp

primary
#3F89DD
secondary
#DDBE9B
accent
#9A3BED
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #3F89DD

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

Preview Lab → · Contrast checker → · Palette generator →

#3F89DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva