#3F8ADD#3F8ADD

#3F8ADD is a light, vivid cyan. Relative luminance 0.245; OKLCH L 62.6% C 0.146 H 253.1°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX#3F8ADD
RGBrgb(63, 138, 221)
HSLhsl(212, 70%, 56%)
HSVhsv(212, 71%, 87%)
CMYKcmyk(71.5%, 37.6%, 0%, 13.3%)
CIE-LABlab(56.54, 4.18, -49.05)
CIE-LCHlch(56.54, 49.23, 274.87°)
OKLaboklab(62.58% -0.0424 -0.1397)
OKLCHoklch(62.58% 0.146 253.1)
XYZxyz(24.1847, 24.4515, 71.8376)
Luminance0.2445 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3F8ADD #DD923F
analogous
#3FD9DD #3F8ADD #433FDD
triadic
#3F8ADD #DD3F8A #8ADD3F
tetradic
#3F8ADD #DD3FD9 #DD923F #3FDD43
square
#3F8ADD #DD3FD9 #DD923F #3FDD43
split-complementary
#3F8ADD #DD433F #D9DD3F
monochromatic
#184E89 #226BBD #3F8ADD #73AAE6 #A7C9EF

Accessibility & contrast

On white

3.56
#3F8ADD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.89
#3F8ADD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8ADD
5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3F8ADD#FFFFFF#000000##000000
##3F8ADD1.003.565.895.89
#FFFFFF3.561.0021.0021.00
#0000005.8921.001.001.00
##0000005.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#6490E0
Deuteranopia (green-blind)
#4C81DB
Tritanopia (blue-blind)
#009DA9
Achromatopsia (no color)
#888888

Design tokens & code

CSS
--color: #3f8add;
/* rgb */ color: rgb(63, 138, 221);
/* oklch */ color: oklch(62.6% 0.146 253.1);
Tailwind
colors: {
  custom: {
    50: '#87abe8',
    500: '#3f8add',
    950: '#000000',
  },
}
SCSS
$custom: #3f8add;
$custom-light: #87abe8;
$custom-dark: #000000;
JSON
{
  "hex": "#3f8add",
  "rgb": {
    "r": 63,
    "g": 138,
    "b": 221
  },
  "hsl": {
    "h": 211.519,
    "s": 69.912,
    "l": 55.686
  },
  "oklch": {
    "l": 0.62583,
    "c": 0.14597,
    "h": 253.1
  },
  "luminance": 0.24454
}

Semantic roles & 50–950 ramp

primary
#3F8ADD
secondary
#DDBE9B
accent
#983BED
background
#F9FAFE
surface
#F1F4FC
border
#CBCED5
text
#0D1016
muted
#7E7F84

Preview Lab

Preview with #3F8ADD

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

Preview Lab → · Contrast checker → · Palette generator →

#3F8ADD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva