#45B5E6#45B5E6

#45B5E6 is a light, vivid cyan. Relative luminance 0.400; OKLCH L 73.0% C 0.122 H 230.8°. Best body text is #000000 at 9.01:1 contrast (WCAG AA passes).

Color values

HEX#45B5E6
RGBrgb(69, 181, 230)
HSLhsl(198, 76%, 59%)
HSVhsv(198, 70%, 90%)
CMYKcmyk(70%, 21.3%, 0%, 9.8%)
CIE-LABlab(69.49, -16.15, -33.70)
CIE-LCHlch(69.49, 37.37, 244.40°)
OKLaboklab(73% -0.0771 -0.0946)
OKLCHoklch(73% 0.122 230.8)
XYZxyz(33.2553, 40.0224, 80.8200)
Luminance0.4003 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45B5E6 #E67645
analogous
#45E6C6 #45B5E6 #4564E6
triadic
#45B5E6 #E645B5 #B5E645
tetradic
#45B5E6 #C645E6 #E67645 #64E645
square
#45B5E6 #C645E6 #E67645 #64E645
split-complementary
#45B5E6 #E64564 #E6C645
monochromatic
#15739C #1C9AD2 #45B5E6 #7BCAED #B1E0F5

Accessibility & contrast

On white

2.33
#45B5E6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.01
#45B5E6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B5E6
9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45B5E6#FFFFFF#000000##000000
##45B5E61.002.339.019.01
#FFFFFF2.331.0021.0021.00
#0000009.0121.001.001.00
##0000009.0121.001.001.00

Color blindness preview

Protanopia (red-blind)
#9CB3E8
Deuteranopia (green-blind)
#86A3E5
Tritanopia (blue-blind)
#00C2C5
Achromatopsia (no color)
#AAAAAA

Design tokens & code

CSS
--color: #45b5e6;
/* rgb */ color: rgb(69, 181, 230);
/* oklch */ color: oklch(73.0% 0.122 230.8);
Tailwind
colors: {
  custom: {
    50: '#8ccbee',
    500: '#45b5e6',
    950: '#000000',
  },
}
SCSS
$custom: #45b5e6;
$custom-light: #8ccbee;
$custom-dark: #000000;
JSON
{
  "hex": "#45b5e6",
  "rgb": {
    "r": 69,
    "g": 181,
    "b": 230
  },
  "hsl": {
    "h": 198.261,
    "s": 76.303,
    "l": 58.627
  },
  "oklch": {
    "l": 0.73,
    "c": 0.12204,
    "h": 230.8
  },
  "luminance": 0.40026
}

Semantic roles & 50–950 ramp

primary
#45B5E6
secondary
#E3B7A4
accent
#6F35F3
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #45B5E6

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

Preview Lab → · Contrast checker → · Palette generator →

#45B5E6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva