#45B4E8#45B4E8

#45B4E8 is a light, vivid cyan. Relative luminance 0.397; OKLCH L 72.9% C 0.124 H 232.6°. Best body text is #000000 at 8.95:1 contrast (WCAG AA passes).

Color values

HEX#45B4E8
RGBrgb(69, 180, 232)
HSLhsl(199, 78%, 59%)
HSVhsv(199, 70%, 91%)
CMYKcmyk(70.3%, 22.4%, 0%, 9%)
CIE-LABlab(69.28, -14.97, -35.11)
CIE-LCHlch(69.28, 38.17, 246.91°)
OKLaboklab(72.86% -0.0755 -0.0986)
OKLCHoklch(72.86% 0.124 232.6)
XYZxyz(33.3352, 39.7302, 82.2401)
Luminance0.3973 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45B4E8 #E87945
analogous
#45E8CA #45B4E8 #4563E8
triadic
#45B4E8 #E845B4 #B4E845
tetradic
#45B4E8 #CA45E8 #E87945 #63E845
square
#45B4E8 #CA45E8 #E87945 #63E845
split-complementary
#45B4E8 #E84563 #E8CA45
monochromatic
#14739F #1A9AD5 #45B4E8 #7BCAEF #B2E0F5

Accessibility & contrast

On white

2.35
#45B4E8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.95
#45B4E8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B4E8
8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45B4E8#FFFFFF#000000##000000
##45B4E81.002.358.958.95
#FFFFFF2.351.0021.0021.00
#0000008.9521.001.001.00
##0000008.9521.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AB2EA
Deuteranopia (green-blind)
#84A2E7
Tritanopia (blue-blind)
#00C2C5
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #45b4e8;
/* rgb */ color: rgb(69, 180, 232);
/* oklch */ color: oklch(72.9% 0.124 232.6);
Tailwind
colors: {
  custom: {
    50: '#8ccaef',
    500: '#45b4e8',
    950: '#000000',
  },
}
SCSS
$custom: #45b4e8;
$custom-light: #8ccaef;
$custom-dark: #000000;
JSON
{
  "hex": "#45b4e8",
  "rgb": {
    "r": 69,
    "g": 180,
    "b": 232
  },
  "hsl": {
    "h": 199.141,
    "s": 77.99,
    "l": 59.02
  },
  "oklch": {
    "l": 0.7286,
    "c": 0.12421,
    "h": 232.6
  },
  "luminance": 0.39734
}

Semantic roles & 50–950 ramp

primary
#45B4E8
secondary
#E4B9A4
accent
#7133F4
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0E1316
muted
#7E8284

Preview Lab

Preview with #45B4E8

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

Preview Lab → · Contrast checker → · Palette generator →

#45B4E8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva