#3B9ECA#3B9ECA

#3B9ECA is a light, moderate cyan. Relative luminance 0.296; OKLCH L 66.1% C 0.111 H 231.2°. Best body text is #000000 at 6.93:1 contrast (WCAG AA passes).

Color values

HEX#3B9ECA
RGBrgb(59, 158, 202)
HSLhsl(198, 57%, 51%)
HSVhsv(198, 71%, 79%)
CMYKcmyk(70.8%, 21.8%, 0%, 20.8%)
CIE-LABlab(61.35, -14.37, -30.87)
CIE-LCHlch(61.35, 34.06, 245.03°)
OKLaboklab(66.06% -0.0696 -0.0867)
OKLCHoklch(66.06% 0.111 231.2)
XYZxyz(24.6869, 29.6450, 60.2867)
Luminance0.2965 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3B9ECA #CA673B
analogous
#3BCAAF #3B9ECA #3B56CA
triadic
#3B9ECA #CA3B9E #9ECA3B
tetradic
#3B9ECA #AF3BCA #CA673B #56CA3B
square
#3B9ECA #AF3BCA #CA673B #56CA3B
split-complementary
#3B9ECA #CA3B56 #CAAF3B
monochromatic
#1E556D #2B7A9D #3B9ECA #6BB6D7 #9BCEE4

Accessibility & contrast

On white

3.03
#3B9ECA on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

6.93
#3B9ECA on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3B9ECA
6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3B9ECA#FFFFFF#000000##000000
##3B9ECA1.003.036.936.93
#FFFFFF3.031.0021.0021.00
#0000006.9321.001.001.00
##0000006.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#889CCC
Deuteranopia (green-blind)
#748EC9
Tritanopia (blue-blind)
#00AAAD
Achromatopsia (no color)
#949494

Design tokens & code

CSS
--color: #3b9eca;
/* rgb */ color: rgb(59, 158, 202);
/* oklch */ color: oklch(66.1% 0.111 231.2);
Tailwind
colors: {
  custom: {
    50: '#83bada',
    500: '#3b9eca',
    950: '#000000',
  },
}
SCSS
$custom: #3b9eca;
$custom-light: #83bada;
$custom-dark: #000000;
JSON
{
  "hex": "#3b9eca",
  "rgb": {
    "r": 59,
    "g": 158,
    "b": 202
  },
  "hsl": {
    "h": 198.462,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.66057,
    "c": 0.11116,
    "h": 231.2
  },
  "luminance": 0.29648
}

Semantic roles & 50–950 ramp

primary
#3B9ECA
secondary
#D0A491
accent
#7647E1
background
#F8FBFD
surface
#F0F6FA
border
#CBD0D3
text
#0C1114
muted
#7D8083

Preview Lab

Preview with #3B9ECA

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

Preview Lab → · Contrast checker → · Palette generator →

#3B9ECA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva