#39B5D8#39B5D8

#39B5D8 is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.1% C 0.116 H 221.0°. Best body text is #000000 at 8.77:1 contrast (WCAG AA passes).

Color values

HEX#39B5D8
RGBrgb(57, 181, 216)
HSLhsl(193, 67%, 54%)
HSVhsv(193, 74%, 85%)
CMYKcmyk(73.6%, 16.2%, 0%, 15.3%)
CIE-LABlab(68.66, -22.22, -27.34)
CIE-LCHlch(68.66, 35.23, 230.90°)
OKLaboklab(72.08% -0.0879 -0.0765)
OKLCHoklch(72.08% 0.116 221)
XYZxyz(30.6007, 38.8718, 70.8427)
Luminance0.3887 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39B5D8 #D85C39
analogous
#39D8AC #39B5D8 #3965D8
triadic
#39B5D8 #D839B5 #B5D839
tetradic
#39B5D8 #AC39D8 #D85C39 #65D839
square
#39B5D8 #AC39D8 #D85C39 #65D839
split-complementary
#39B5D8 #D83965 #D8AC39
monochromatic
#19687E #2392B1 #39B5D8 #6CC8E2 #9FDBEC

Accessibility & contrast

On white

2.39
#39B5D8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.77
#39B5D8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B5D8
8.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39B5D8#FFFFFF#000000##000000
##39B5D81.002.398.778.77
#FFFFFF2.391.0021.0021.00
#0000008.7721.001.001.00
##0000008.7721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A0B0DA
Deuteranopia (green-blind)
#8BA1D8
Tritanopia (blue-blind)
#00C0C0
Achromatopsia (no color)
#A7A7A7

Design tokens & code

CSS
--color: #39b5d8;
/* rgb */ color: rgb(57, 181, 216);
/* oklch */ color: oklch(72.1% 0.116 221.0);
Tailwind
colors: {
  custom: {
    50: '#85cbe4',
    500: '#39b5d8',
    950: '#000000',
  },
}
SCSS
$custom: #39b5d8;
$custom-light: #85cbe4;
$custom-dark: #000000;
JSON
{
  "hex": "#39b5d8",
  "rgb": {
    "r": 57,
    "g": 181,
    "b": 216
  },
  "hsl": {
    "h": 193.208,
    "s": 67.089,
    "l": 53.529
  },
  "oklch": {
    "l": 0.72077,
    "c": 0.11648,
    "h": 221
  },
  "luminance": 0.38875
}

Semantic roles & 50–950 ramp

primary
#39B5D8
secondary
#D8A394
accent
#643EEA
background
#F9FCFD
surface
#F1F8FB
border
#CBD1D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #39B5D8

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

Preview Lab → · Contrast checker → · Palette generator →

#39B5D8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva