#3B8FDB#3B8FDB

#3B8FDB is a light, vivid cyan. Relative luminance 0.257; OKLCH L 63.5% C 0.140 H 249.1°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX#3B8FDB
RGBrgb(59, 143, 219)
HSLhsl(209, 69%, 55%)
HSVhsv(209, 73%, 86%)
CMYKcmyk(73.1%, 34.7%, 0%, 14.1%)
CIE-LABlab(57.74, -0.03, -46.03)
CIE-LCHlch(57.74, 46.03, 269.96°)
OKLaboklab(63.46% -0.0499 -0.1308)
OKLCHoklch(63.46% 0.14 249.1)
XYZxyz(24.4074, 25.6864, 70.6757)
Luminance0.2569 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B8FDB #DB873B
analogous
#3BDBD7 #3B8FDB #3B3FDB
triadic
#3B8FDB #DB3B8F #8FDB3B
tetradic
#3B8FDB #D73BDB #DB873B #3FDB3B
square
#3B8FDB #D73BDB #DB873B #3FDB3B
split-complementary
#3B8FDB #DB3B3F #DBD73B
monochromatic
#185083 #2270B7 #3B8FDB #6FADE4 #A2CAEE

Accessibility & contrast

On white

3.42
#3B8FDB on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.14
#3B8FDB on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8FDB
6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B8FDB#FFFFFF#000000##000000
##3B8FDB1.003.426.146.14
#FFFFFF3.421.0021.0021.00
#0000006.1421.001.001.00
##0000006.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#6C93DE
Deuteranopia (green-blind)
#5584DA
Tritanopia (blue-blind)
#00A1AB
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #3b8fdb;
/* rgb */ color: rgb(59, 143, 219);
/* oklch */ color: oklch(63.5% 0.140 249.1);
Tailwind
colors: {
  custom: {
    50: '#85afe6',
    500: '#3b8fdb',
    950: '#000000',
  },
}
SCSS
$custom: #3b8fdb;
$custom-light: #85afe6;
$custom-dark: #000000;
JSON
{
  "hex": "#3b8fdb",
  "rgb": {
    "r": 59,
    "g": 143,
    "b": 219
  },
  "hsl": {
    "h": 208.5,
    "s": 68.966,
    "l": 54.51
  },
  "oklch": {
    "l": 0.63455,
    "c": 0.14003,
    "h": 249.1
  },
  "luminance": 0.25689
}

Semantic roles & 50–950 ramp

primary
#3B8FDB
secondary
#DBB797
accent
#903CEC
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0C1016
muted
#7D7F84

Preview Lab

Preview with #3B8FDB

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

Preview Lab → · Contrast checker → · Palette generator →

#3B8FDB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva