#45B3E6#45B3E6

#45B3E6 is a light, vivid cyan. Relative luminance 0.392; OKLCH L 72.5% C 0.123 H 232.3°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX#45B3E6
RGBrgb(69, 179, 230)
HSLhsl(199, 76%, 59%)
HSVhsv(199, 70%, 90%)
CMYKcmyk(70%, 22.2%, 0%, 9.8%)
CIE-LABlab(68.91, -15.08, -34.59)
CIE-LCHlch(68.91, 37.74, 246.44°)
OKLaboklab(72.54% -0.0752 -0.0972)
OKLCHoklch(72.54% 0.123 232.3)
XYZxyz(32.8516, 39.2149, 80.6854)
Luminance0.3922 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45B3E6 #E67845
analogous
#45E6C8 #45B3E6 #4562E6
triadic
#45B3E6 #E645B3 #B3E645
tetradic
#45B3E6 #C845E6 #E67845 #62E645
square
#45B3E6 #C845E6 #E67845 #62E645
split-complementary
#45B3E6 #E64562 #E6C845
monochromatic
#15719C #1C98D2 #45B3E6 #7BC9ED #B1DFF5

Accessibility & contrast

On white

2.37
#45B3E6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.84
#45B3E6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B3E6
8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45B3E6#FFFFFF#000000##000000
##45B3E61.002.378.848.84
#FFFFFF2.371.0021.0021.00
#0000008.8421.001.001.00
##0000008.8421.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AB1E8
Deuteranopia (green-blind)
#84A1E5
Tritanopia (blue-blind)
#00C1C4
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #45b3e6;
/* rgb */ color: rgb(69, 179, 230);
/* oklch */ color: oklch(72.5% 0.123 232.3);
Tailwind
colors: {
  custom: {
    50: '#8bc9ee',
    500: '#45b3e6',
    950: '#000000',
  },
}
SCSS
$custom: #45b3e6;
$custom-light: #8bc9ee;
$custom-dark: #000000;
JSON
{
  "hex": "#45b3e6",
  "rgb": {
    "r": 69,
    "g": 179,
    "b": 230
  },
  "hsl": {
    "h": 199.006,
    "s": 76.303,
    "l": 58.627
  },
  "oklch": {
    "l": 0.72538,
    "c": 0.12287,
    "h": 232.3
  },
  "luminance": 0.39219
}

Semantic roles & 50–950 ramp

primary
#45B3E6
secondary
#E3B8A4
accent
#7135F3
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #45B3E6

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

Preview Lab → · Contrast checker → · Palette generator →

#45B3E6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva