#3B8FDE#3B8FDE

#3B8FDE is a light, vivid cyan. Relative luminance 0.258; OKLCH L 63.6% C 0.144 H 250.0°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX#3B8FDE
RGBrgb(59, 143, 222)
HSLhsl(209, 71%, 55%)
HSVhsv(209, 73%, 87%)
CMYKcmyk(73.4%, 35.6%, 0%, 12.9%)
CIE-LABlab(57.89, 1.03, -47.47)
CIE-LCHlch(57.89, 47.48, 271.25°)
OKLaboklab(63.62% -0.0491 -0.135)
OKLCHoklch(63.62% 0.144 250)
XYZxyz(24.8059, 25.8458, 72.7745)
Luminance0.2585 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B8FDE #DE8A3B
analogous
#3BDEDC #3B8FDE #3B3DDE
triadic
#3B8FDE #DE3B8F #8FDE3B
tetradic
#3B8FDE #DC3BDE #DE8A3B #3DDE3B
square
#3B8FDE #DC3BDE #DE8A3B #3DDE3B
split-complementary
#3B8FDE #DE3B3D #DEDC3B
monochromatic
#175188 #2070BC #3B8FDE #6FADE7 #A4CBF0

Accessibility & contrast

On white

3.40
#3B8FDE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.17
#3B8FDE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B8FDE
6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B8FDE#FFFFFF#000000##000000
##3B8FDE1.003.406.176.17
#FFFFFF3.401.0021.0021.00
#0000006.1721.001.001.00
##0000006.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#6B93E1
Deuteranopia (green-blind)
#5384DC
Tritanopia (blue-blind)
#00A2AC
Achromatopsia (no color)
#8B8B8B

Design tokens & code

CSS
--color: #3b8fde;
/* rgb */ color: rgb(59, 143, 222);
/* oklch */ color: oklch(63.6% 0.144 250.0);
Tailwind
colors: {
  custom: {
    50: '#85afe8',
    500: '#3b8fde',
    950: '#000000',
  },
}
SCSS
$custom: #3b8fde;
$custom-light: #85afe8;
$custom-dark: #000000;
JSON
{
  "hex": "#3b8fde",
  "rgb": {
    "r": 59,
    "g": 143,
    "b": 222
  },
  "hsl": {
    "h": 209.08,
    "s": 71.179,
    "l": 55.098
  },
  "oklch": {
    "l": 0.63624,
    "c": 0.14369,
    "h": 250
  },
  "luminance": 0.25849
}

Semantic roles & 50–950 ramp

primary
#3B8FDE
secondary
#DDB998
accent
#913AEE
background
#F8FAFE
surface
#F0F4FD
border
#CBCED5
text
#0D1016
muted
#7D7F84

Preview Lab

Preview with #3B8FDE

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

Preview Lab → · Contrast checker → · Palette generator →

#3B8FDE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva