#39B5DC#39B5DC

#39B5DC is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.2% C 0.119 H 223.5°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX#39B5DC
RGBrgb(57, 181, 220)
HSLhsl(194, 70%, 54%)
HSVhsv(194, 74%, 86%)
CMYKcmyk(74.1%, 17.7%, 0%, 13.7%)
CIE-LABlab(68.81, -20.93, -29.30)
CIE-LCHlch(68.81, 36.01, 234.46°)
OKLaboklab(72.25% -0.0864 -0.082)
OKLCHoklch(72.25% 0.119 223.5)
XYZxyz(31.1241, 39.0812, 73.5993)
Luminance0.3908 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39B5DC #DC6039
analogous
#39DCB2 #39B5DC #3964DC
triadic
#39B5DC #DC39B5 #B5DC39
tetradic
#39B5DC #B239DC #DC6039 #64DC39
square
#39B5DC #B239DC #DC6039 #64DC39
split-complementary
#39B5DC #DC3964 #DCB239
monochromatic
#176A83 #2093B7 #39B5DC #6DC8E5 #A1DCEE

Accessibility & contrast

On white

2.38
#39B5DC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.82
#39B5DC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B5DC
8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39B5DC#FFFFFF#000000##000000
##39B5DC1.002.388.828.82
#FFFFFF2.381.0021.0021.00
#0000008.8221.001.001.00
##0000008.8221.001.001.00

Color blindness preview

Protanopia (red-blind)
#9FB1DE
Deuteranopia (green-blind)
#89A1DC
Tritanopia (blue-blind)
#00C1C2
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #39b5dc;
/* rgb */ color: rgb(57, 181, 220);
/* oklch */ color: oklch(72.2% 0.119 223.5);
Tailwind
colors: {
  custom: {
    50: '#86cbe7',
    500: '#39b5dc',
    950: '#000000',
  },
}
SCSS
$custom: #39b5dc;
$custom-light: #86cbe7;
$custom-dark: #000000;
JSON
{
  "hex": "#39b5dc",
  "rgb": {
    "r": 57,
    "g": 181,
    "b": 220
  },
  "hsl": {
    "h": 194.356,
    "s": 69.957,
    "l": 54.314
  },
  "oklch": {
    "l": 0.72249,
    "c": 0.11913,
    "h": 223.5
  },
  "luminance": 0.39085
}

Semantic roles & 50–950 ramp

primary
#39B5DC
secondary
#DBA696
accent
#663BED
background
#F9FCFE
surface
#F1F8FC
border
#CBD1D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #39B5DC

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

Preview Lab → · Contrast checker → · Palette generator →

#39B5DC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva