#39B5D0#39B5D0

#39B5D0 is a light, moderate cyan. Relative luminance 0.385; OKLCH L 71.7% C 0.112 H 215.7°. Best body text is #000000 at 8.69:1 contrast (WCAG AA passes).

Color values

HEX#39B5D0
RGBrgb(57, 181, 208)
HSLhsl(191, 62%, 52%)
HSVhsv(191, 73%, 82%)
CMYKcmyk(72.6%, 13%, 0%, 18.4%)
CIE-LABlab(68.36, -24.76, -23.40)
CIE-LCHlch(68.36, 34.07, 223.39°)
OKLaboklab(71.74% -0.091 -0.0653)
OKLCHoklch(71.74% 0.112 215.7)
XYZxyz(29.5916, 38.4682, 65.5278)
Luminance0.3847 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39B5D0 #D05439
analogous
#39D09F #39B5D0 #396AD0
triadic
#39B5D0 #D039B5 #B5D039
tetradic
#39B5D0 #9F39D0 #D05439 #6AD039
square
#39B5D0 #9F39D0 #D05439 #6AD039
split-complementary
#39B5D0 #D0396A #D09F39
monochromatic
#1B6473 #278EA5 #39B5D0 #6AC7DC #9CDAE7

Accessibility & contrast

On white

2.42
#39B5D0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.69
#39B5D0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B5D0
8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39B5D0#FFFFFF#000000##000000
##39B5D01.002.428.698.69
#FFFFFF2.421.0021.0021.00
#0000008.6921.001.001.00
##0000008.6921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2AFD2
Deuteranopia (green-blind)
#8EA0D0
Tritanopia (blue-blind)
#00BFBD
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #39b5d0;
/* rgb */ color: rgb(57, 181, 208);
/* oklch */ color: oklch(71.7% 0.112 215.7);
Tailwind
colors: {
  custom: {
    50: '#84cbde',
    500: '#39b5d0',
    950: '#000000',
  },
}
SCSS
$custom: #39b5d0;
$custom-light: #84cbde;
$custom-dark: #000000;
JSON
{
  "hex": "#39b5d0",
  "rgb": {
    "r": 57,
    "g": 181,
    "b": 208
  },
  "hsl": {
    "h": 190.728,
    "s": 61.633,
    "l": 51.961
  },
  "oklch": {
    "l": 0.71744,
    "c": 0.11195,
    "h": 215.7
  },
  "luminance": 0.38472
}

Semantic roles & 50–950 ramp

primary
#39B5D0
secondary
#D39D91
accent
#6043E5
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0C1315
muted
#7D8283

Preview Lab

Preview with #39B5D0

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

Preview Lab → · Contrast checker → · Palette generator →

#39B5D0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva