#39A3BC#39A3BC

#39A3BC is a light, moderate cyan. Relative luminance 0.307; OKLCH L 66.6% C 0.101 H 216.7°. Best body text is #000000 at 7.14:1 contrast (WCAG AA passes).

Color values

HEX#39A3BC
RGBrgb(57, 163, 188)
HSLhsl(191, 53%, 48%)
HSVhsv(191, 70%, 74%)
CMYKcmyk(69.7%, 13.3%, 0%, 26.3%)
CIE-LABlab(62.25, -21.87, -21.66)
CIE-LCHlch(62.25, 30.78, 224.72°)
OKLaboklab(66.58% -0.0809 -0.0603)
OKLCHoklch(66.58% 0.101 216.7)
XYZxyz(23.8578, 30.6924, 52.2340)
Luminance0.3070 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39A3BC #BC5239
analogous
#39BC93 #39A3BC #3962BC
triadic
#39A3BC #BC39A3 #A3BC39
tetradic
#39A3BC #9339BC #BC5239 #62BC39
square
#39A3BC #9339BC #BC5239 #62BC39
split-complementary
#39A3BC #BC3962 #BC9339
monochromatic
#1D525E #2B7A8D #39A3BC #63BBD0 #92CFDE

Accessibility & contrast

On white

2.94
#39A3BC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.14
#39A3BC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39A3BC
7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39A3BC#FFFFFF#000000##000000
##39A3BC1.002.947.147.14
#FFFFFF2.941.0021.0021.00
#0000007.1421.001.001.00
##0000007.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#929EBD
Deuteranopia (green-blind)
#8091BC
Tritanopia (blue-blind)
#00ACAB
Achromatopsia (no color)
#969696

Design tokens & code

CSS
--color: #39a3bc;
/* rgb */ color: rgb(57, 163, 188);
/* oklch */ color: oklch(66.6% 0.101 216.7);
Tailwind
colors: {
  custom: {
    50: '#80bed0',
    500: '#39a3bc',
    950: '#000000',
  },
}
SCSS
$custom: #39a3bc;
$custom-light: #80bed0;
$custom-dark: #000000;
JSON
{
  "hex": "#39a3bc",
  "rgb": {
    "r": 57,
    "g": 163,
    "b": 188
  },
  "hsl": {
    "h": 191.45,
    "s": 53.469,
    "l": 48.039
  },
  "oklch": {
    "l": 0.66583,
    "c": 0.10096,
    "h": 216.7
  },
  "luminance": 0.30695
}

Semantic roles & 50–950 ramp

primary
#39A3BC
secondary
#C99488
accent
#674BDD
background
#F8FBFC
surface
#F0F7F9
border
#CBD0D2
text
#0C1214
muted
#7D8182

Preview Lab

Preview with #39A3BC

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

Preview Lab → · Contrast checker → · Palette generator →

#39A3BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva