#3B9BC1#3B9BC1

#3B9BC1 is a light, moderate cyan. Relative luminance 0.282; OKLCH L 64.9% C 0.105 H 228.1°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX#3B9BC1
RGBrgb(59, 155, 193)
HSLhsl(197, 53%, 49%)
HSVhsv(197, 69%, 76%)
CMYKcmyk(69.4%, 19.7%, 0%, 24.3%)
CIE-LABlab(60.09, -15.72, -27.78)
CIE-LCHlch(60.09, 31.92, 240.49°)
OKLaboklab(64.93% -0.0698 -0.0778)
OKLCHoklch(64.93% 0.105 228.1)
XYZxyz(23.1467, 28.2202, 54.6689)
Luminance0.2822 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B9BC1 #C1613B
analogous
#3BC1A4 #3B9BC1 #3B58C1
triadic
#3B9BC1 #C13B9B #9BC13B
tetradic
#3B9BC1 #A43BC1 #C1613B #58C13B
square
#3B9BC1 #A43BC1 #C1613B #58C13B
split-complementary
#3B9BC1 #C13B58 #C1A43B
monochromatic
#1E5063 #2D7592 #3B9BC1 #68B3D1 #97CBDF

Accessibility & contrast

On white

3.16
#3B9BC1 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.64
#3B9BC1 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9BC1
6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B9BC1#FFFFFF#000000##000000
##3B9BC11.003.166.646.64
#FFFFFF3.161.0021.0021.00
#0000006.6421.001.001.00
##0000006.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#8798C3
Deuteranopia (green-blind)
#758BC1
Tritanopia (blue-blind)
#00A6A7
Achromatopsia (no color)
#919191

Design tokens & code

CSS
--color: #3b9bc1;
/* rgb */ color: rgb(59, 155, 193);
/* oklch */ color: oklch(64.9% 0.105 228.1);
Tailwind
colors: {
  custom: {
    50: '#81b8d3',
    500: '#3b9bc1',
    950: '#000000',
  },
}
SCSS
$custom: #3b9bc1;
$custom-light: #81b8d3;
$custom-dark: #000000;
JSON
{
  "hex": "#3b9bc1",
  "rgb": {
    "r": 59,
    "g": 155,
    "b": 193
  },
  "hsl": {
    "h": 197.015,
    "s": 53.175,
    "l": 49.412
  },
  "oklch": {
    "l": 0.64931,
    "c": 0.10456,
    "h": 228.1
  },
  "luminance": 0.28223
}

Semantic roles & 50–950 ramp

primary
#3B9BC1
secondary
#CB9F8D
accent
#744BDD
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #3B9BC1

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

Preview Lab → · Contrast checker → · Palette generator →

#3B9BC1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva