#39B6E6#39B6E6

#39B6E6 is a light, vivid cyan. Relative luminance 0.400; OKLCH L 72.9% C 0.126 H 228.5°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX#39B6E6
RGBrgb(57, 182, 230)
HSLhsl(197, 78%, 56%)
HSVhsv(197, 75%, 90%)
CMYKcmyk(75.2%, 20.9%, 0%, 9.8%)
CIE-LABlab(69.49, -18.18, -33.70)
CIE-LCHlch(69.49, 38.30, 241.65°)
OKLaboklab(72.93% -0.0837 -0.0947)
OKLCHoklch(72.93% 0.126 228.5)
XYZxyz(32.6924, 40.0350, 80.8521)
Luminance0.4004 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39B6E6 #E66939
analogous
#39E6BF #39B6E6 #3960E6
triadic
#39B6E6 #E639B6 #B6E639
tetradic
#39B6E6 #BF39E6 #E66939 #60E639
square
#39B6E6 #BF39E6 #E66939 #60E639
split-complementary
#39B6E6 #E63960 #E6BF39
monochromatic
#126F92 #1998C8 #39B6E6 #6FCAED #A6DEF4

Accessibility & contrast

On white

2.33
#39B6E6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.01
#39B6E6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B6E6
9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39B6E6#FFFFFF#000000##000000
##39B6E61.002.339.019.01
#FFFFFF2.331.0021.0021.00
#0000009.0121.001.001.00
##0000009.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DB3E8
Deuteranopia (green-blind)
#86A2E5
Tritanopia (blue-blind)
#00C4C6
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #39b6e6;
/* rgb */ color: rgb(57, 182, 230);
/* oklch */ color: oklch(72.9% 0.126 228.5);
Tailwind
colors: {
  custom: {
    50: '#87ccee',
    500: '#39b6e6',
    950: '#000000',
  },
}
SCSS
$custom: #39b6e6;
$custom-light: #87ccee;
$custom-dark: #000000;
JSON
{
  "hex": "#39b6e6",
  "rgb": {
    "r": 57,
    "g": 182,
    "b": 230
  },
  "hsl": {
    "h": 196.647,
    "s": 77.578,
    "l": 56.275
  },
  "oklch": {
    "l": 0.72927,
    "c": 0.12635,
    "h": 228.5
  },
  "luminance": 0.40039
}

Semantic roles & 50–950 ramp

primary
#39B6E6
secondary
#E1AE9A
accent
#6934F4
background
#F9FCFE
surface
#F1F8FD
border
#CBD1D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #39B6E6

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

Preview Lab → · Contrast checker → · Palette generator →

#39B6E6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva