#3B8DDE#3B8DDE

#3B8DDE is a light, vivid cyan. Relative luminance 0.253; OKLCH L 63.2% C 0.146 H 251.0°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX#3B8DDE
RGBrgb(59, 141, 222)
HSLhsl(210, 71%, 55%)
HSVhsv(210, 73%, 87%)
CMYKcmyk(73.4%, 36.5%, 0%, 12.9%)
CIE-LABlab(57.32, 2.22, -48.37)
CIE-LCHlch(57.32, 48.42, 272.62°)
OKLaboklab(63.18% -0.0473 -0.1377)
OKLCHoklch(63.18% 0.146 251)
XYZxyz(24.5084, 25.2507, 72.6753)
Luminance0.2525 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B8DDE #DE8C3B
analogous
#3BDEDE #3B8DDE #3B3BDE
triadic
#3B8DDE #DE3B8D #8DDE3B
tetradic
#3B8DDE #DE3BDE #DE8C3B #3BDE3B
square
#3B8DDE #DE3BDE #DE8C3B #3BDE3B
split-complementary
#3B8DDE #DE3B3B #DEDE3B
monochromatic
#175088 #206EBC #3B8DDE #6FABE7 #A4CAF0

Accessibility & contrast

On white

3.47
#3B8DDE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.05
#3B8DDE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8DDE
6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B8DDE#FFFFFF#000000##000000
##3B8DDE1.003.476.056.05
#FFFFFF3.471.0021.0021.00
#0000006.0521.001.001.00
##0000006.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#6892E1
Deuteranopia (green-blind)
#4F83DC
Tritanopia (blue-blind)
#00A0AB
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #3b8dde;
/* rgb */ color: rgb(59, 141, 222);
/* oklch */ color: oklch(63.2% 0.146 251.0);
Tailwind
colors: {
  custom: {
    50: '#85ade9',
    500: '#3b8dde',
    950: '#000000',
  },
}
SCSS
$custom: #3b8dde;
$custom-light: #85ade9;
$custom-dark: #000000;
JSON
{
  "hex": "#3b8dde",
  "rgb": {
    "r": 59,
    "g": 141,
    "b": 222
  },
  "hsl": {
    "h": 209.816,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63177,
    "c": 0.14561,
    "h": 251
  },
  "luminance": 0.25253
}

Semantic roles & 50–950 ramp

primary
#3B8DDE
secondary
#DDBA98
accent
#933AEE
background
#F8FAFE
surface
#F0F4FD
border
#CBCED5
text
#0D1016
muted
#7D7F84

Preview Lab

Preview with #3B8DDE

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

Preview Lab → · Contrast checker → · Palette generator →

#3B8DDE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva