#3B8EDD#3B8EDD

#3B8EDD is a light, vivid cyan. Relative luminance 0.255; OKLCH L 63.3% C 0.143 H 250.3°. Best body text is #000000 at 6.10:1 contrast (WCAG AA passes).

Color values

HEX#3B8EDD
RGBrgb(59, 142, 221)
HSLhsl(209, 70%, 55%)
HSVhsv(209, 73%, 87%)
CMYKcmyk(73.3%, 35.7%, 0%, 13.3%)
CIE-LABlab(57.55, 1.27, -47.44)
CIE-LCHlch(57.55, 47.46, 271.53°)
OKLaboklab(63.34% -0.0484 -0.135)
OKLCHoklch(63.34% 0.143 250.3)
XYZxyz(24.5229, 25.4935, 72.0209)
Luminance0.2550 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B8EDD #DD8A3B
analogous
#3BDDDB #3B8EDD #3B3DDD
triadic
#3B8EDD #DD3B8E #8EDD3B
tetradic
#3B8EDD #DB3BDD #DD8A3B #3DDD3B
square
#3B8EDD #DB3BDD #DD8A3B #3DDD3B
split-complementary
#3B8EDD #DD3B3D #DDDB3B
monochromatic
#175086 #206FBA #3B8EDD #6FACE6 #A3CAEF

Accessibility & contrast

On white

3.44
#3B8EDD on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.10
#3B8EDD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8EDD
6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B8EDD#FFFFFF#000000##000000
##3B8EDD1.003.446.106.10
#FFFFFF3.441.0021.0021.00
#0000006.1021.001.001.00
##0000006.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#6A92E0
Deuteranopia (green-blind)
#5283DB
Tritanopia (blue-blind)
#00A1AB
Achromatopsia (no color)
#8A8A8A

Design tokens & code

CSS
--color: #3b8edd;
/* rgb */ color: rgb(59, 142, 221);
/* oklch */ color: oklch(63.3% 0.143 250.3);
Tailwind
colors: {
  custom: {
    50: '#85aee8',
    500: '#3b8edd',
    950: '#000000',
  },
}
SCSS
$custom: #3b8edd;
$custom-light: #85aee8;
$custom-dark: #000000;
JSON
{
  "hex": "#3b8edd",
  "rgb": {
    "r": 59,
    "g": 142,
    "b": 221
  },
  "hsl": {
    "h": 209.259,
    "s": 70.435,
    "l": 54.902
  },
  "oklch": {
    "l": 0.63343,
    "c": 0.14341,
    "h": 250.3
  },
  "luminance": 0.25496
}

Semantic roles & 50–950 ramp

primary
#3B8EDD
secondary
#DCB998
accent
#923BED
background
#F8FAFE
surface
#F0F4FC
border
#CBCED5
text
#0D1016
muted
#7D7F84

Preview Lab

Preview with #3B8EDD

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

Preview Lab → · Contrast checker → · Palette generator →

#3B8EDD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva