#39B3DA#39B3DA

#39B3DA is a light, moderate cyan. Relative luminance 0.382; OKLCH L 71.7% C 0.118 H 223.9°. Best body text is #000000 at 8.63:1 contrast (WCAG AA passes).

Color values

HEX#39B3DA
RGBrgb(57, 179, 218)
HSLhsl(195, 69%, 54%)
HSVhsv(195, 74%, 85%)
CMYKcmyk(73.9%, 17.9%, 0%, 14.5%)
CIE-LABlab(68.14, -20.54, -29.23)
CIE-LCHlch(68.14, 35.72, 234.90°)
OKLaboklab(71.69% -0.0852 -0.0819)
OKLCHoklch(71.69% 0.118 223.9)
XYZxyz(30.4571, 38.1684, 72.0781)
Luminance0.3817 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39B3DA #DA6039
analogous
#39DAB1 #39B3DA #3963DA
triadic
#39B3DA #DA39B3 #B3DA39
tetradic
#39B3DA #B139DA #DA6039 #63DA39
square
#39B3DA #B139DA #DA6039 #63DA39
split-complementary
#39B3DA #DA3963 #DAB139
monochromatic
#186781 #2291B4 #39B3DA #6DC7E4 #A0DBED

Accessibility & contrast

On white

2.43
#39B3DA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.63
#39B3DA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B3DA
8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39B3DA#FFFFFF#000000##000000
##39B3DA1.002.438.638.63
#FFFFFF2.431.0021.0021.00
#0000008.6321.001.001.00
##0000008.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DAFDC
Deuteranopia (green-blind)
#879FDA
Tritanopia (blue-blind)
#00BFC0
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #39b3da;
/* rgb */ color: rgb(57, 179, 218);
/* oklch */ color: oklch(71.7% 0.118 223.9);
Tailwind
colors: {
  custom: {
    50: '#86cae5',
    500: '#39b3da',
    950: '#000000',
  },
}
SCSS
$custom: #39b3da;
$custom-light: #86cae5;
$custom-dark: #000000;
JSON
{
  "hex": "#39b3da",
  "rgb": {
    "r": 57,
    "g": 179,
    "b": 218
  },
  "hsl": {
    "h": 194.534,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.7169,
    "c": 0.11815,
    "h": 223.9
  },
  "luminance": 0.38172
}

Semantic roles & 50–950 ramp

primary
#39B3DA
secondary
#DAA695
accent
#673CEB
background
#F9FCFE
surface
#F1F8FC
border
#CBD1D5
text
#0D1315
muted
#7E8284

Preview Lab

Preview with #39B3DA

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

Preview Lab → · Contrast checker → · Palette generator →

#39B3DA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva