#39B9D3#39B9D3

#39B9D3 is a light, moderate cyan. Relative luminance 0.403; OKLCH L 72.8% C 0.114 H 214.5°. Best body text is #000000 at 9.05:1 contrast (WCAG AA passes).

Color values

HEX#39B9D3
RGBrgb(57, 185, 211)
HSLhsl(190, 64%, 53%)
HSVhsv(190, 73%, 83%)
CMYKcmyk(73%, 12.3%, 0%, 17.3%)
CIE-LABlab(69.66, -25.83, -23.07)
CIE-LCHlch(69.66, 34.63, 221.77°)
OKLaboklab(72.82% -0.0937 -0.0643)
OKLCHoklch(72.82% 0.114 214.5)
XYZxyz(30.7892, 40.2673, 67.7650)
Luminance0.4027 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#39B9D3 #D35339
analogous
#39D3A0 #39B9D3 #396CD3
triadic
#39B9D3 #D339B9 #B9D339
tetradic
#39B9D3 #A039D3 #D35339 #6CD339
square
#39B9D3 #A039D3 #D35339 #6CD339
split-complementary
#39B9D3 #D3396C #D3A039
monochromatic
#1A6777 #2693A9 #39B9D3 #6BCBDE #9DDCE9

Accessibility & contrast

On white

2.32
#39B9D3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.05
#39B9D3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #39B9D3
9.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##39B9D3#FFFFFF#000000##000000
##39B9D31.002.329.059.05
#FFFFFF2.321.0021.0021.00
#0000009.0521.001.001.00
##0000009.0521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A6B3D4
Deuteranopia (green-blind)
#91A3D3
Tritanopia (blue-blind)
#00C3C1
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #39b9d3;
/* rgb */ color: rgb(57, 185, 211);
/* oklch */ color: oklch(72.8% 0.114 214.5);
Tailwind
colors: {
  custom: {
    50: '#85cee0',
    500: '#39b9d3',
    950: '#000000',
  },
}
SCSS
$custom: #39b9d3;
$custom-light: #85cee0;
$custom-dark: #000000;
JSON
{
  "hex": "#39b9d3",
  "rgb": {
    "r": 57,
    "g": 185,
    "b": 211
  },
  "hsl": {
    "h": 190.13,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.72822,
    "c": 0.11362,
    "h": 214.5
  },
  "luminance": 0.40271
}

Semantic roles & 50–950 ramp

primary
#39B9D3
secondary
#D59E92
accent
#5D41E7
background
#F8FCFD
surface
#F0F9FB
border
#CBD2D4
text
#0D1315
muted
#7D8283

Preview Lab

Preview with #39B9D3

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

Preview Lab → · Contrast checker → · Palette generator →

#39B9D3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva