#39B5D5#39B5D5

#39B5D5 is a light, moderate cyan. Relative luminance 0.387; OKLCH L 72.0% C 0.115 H 219.1°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX#39B5D5
RGBrgb(57, 181, 213)
HSLhsl(192, 65%, 53%)
HSVhsv(192, 73%, 84%)
CMYKcmyk(73.2%, 15%, 0%, 16.5%)
CIE-LABlab(68.55, -23.18, -25.87)
CIE-LCHlch(68.55, 34.73, 228.14°)
OKLaboklab(71.95% -0.089 -0.0723)
OKLCHoklch(71.95% 0.115 219.1)
XYZxyz(30.2164, 38.7181, 68.8187)
Luminance0.3872 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39B5D5 #D55939
analogous
#39D5A7 #39B5D5 #3967D5
triadic
#39B5D5 #D539B5 #B5D539
tetradic
#39B5D5 #A739D5 #D55939 #67D539
square
#39B5D5 #A739D5 #D55939 #67D539
split-complementary
#39B5D5 #D53967 #D5A739
monochromatic
#1A667A #2590AC #39B5D5 #6BC8E0 #9EDBEA

Accessibility & contrast

On white

2.40
#39B5D5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.74
#39B5D5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B5D5
8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39B5D5#FFFFFF#000000##000000
##39B5D51.002.408.748.74
#FFFFFF2.401.0021.0021.00
#0000008.7421.001.001.00
##0000008.7421.001.001.00

Color blindness preview

Protanopia (red-blind)
#A1B0D7
Deuteranopia (green-blind)
#8CA0D5
Tritanopia (blue-blind)
#00C0BF
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #39b5d5;
/* rgb */ color: rgb(57, 181, 213);
/* oklch */ color: oklch(72.0% 0.115 219.1);
Tailwind
colors: {
  custom: {
    50: '#85cbe2',
    500: '#39b5d5',
    950: '#000000',
  },
}
SCSS
$custom: #39b5d5;
$custom-light: #85cbe2;
$custom-dark: #000000;
JSON
{
  "hex": "#39b5d5",
  "rgb": {
    "r": 57,
    "g": 181,
    "b": 213
  },
  "hsl": {
    "h": 192.308,
    "s": 65,
    "l": 52.941
  },
  "oklch": {
    "l": 0.71951,
    "c": 0.11466,
    "h": 219.1
  },
  "luminance": 0.38722
}

Semantic roles & 50–950 ramp

primary
#39B5D5
secondary
#D7A193
accent
#6240E8
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0D1315
muted
#7D8283

Preview Lab

Preview with #39B5D5

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

Preview Lab → · Contrast checker → · Palette generator →

#39B5D5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva