#45B2E8#45B2E8

#45B2E8 is a light, vivid cyan. Relative luminance 0.389; OKLCH L 72.4% C 0.125 H 234.0°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX#45B2E8
RGBrgb(69, 178, 232)
HSLhsl(200, 78%, 59%)
HSVhsv(200, 70%, 91%)
CMYKcmyk(70.3%, 23.3%, 0%, 9%)
CIE-LABlab(68.70, -13.90, -36.01)
CIE-LCHlch(68.70, 38.60, 248.90°)
OKLaboklab(72.4% -0.0735 -0.1013)
OKLCHoklch(72.4% 0.125 234)
XYZxyz(32.9344, 38.9285, 82.1065)
Luminance0.3893 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45B2E8 #E87B45
analogous
#45E8CC #45B2E8 #4561E8
triadic
#45B2E8 #E845B2 #B2E845
tetradic
#45B2E8 #CC45E8 #E87B45 #61E845
square
#45B2E8 #CC45E8 #E87B45 #61E845
split-complementary
#45B2E8 #E84561 #E8CC45
monochromatic
#14719F #1A97D5 #45B2E8 #7BC9EF #B2DFF5

Accessibility & contrast

On white

2.39
#45B2E8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.79
#45B2E8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B2E8
8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45B2E8#FFFFFF#000000##000000
##45B2E81.002.398.798.79
#FFFFFF2.391.0021.0021.00
#0000008.7921.001.001.00
##0000008.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#98B1EB
Deuteranopia (green-blind)
#81A1E7
Tritanopia (blue-blind)
#00C0C4
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #45b2e8;
/* rgb */ color: rgb(69, 178, 232);
/* oklch */ color: oklch(72.4% 0.125 234.0);
Tailwind
colors: {
  custom: {
    50: '#8cc9ef',
    500: '#45b2e8',
    950: '#000000',
  },
}
SCSS
$custom: #45b2e8;
$custom-light: #8cc9ef;
$custom-dark: #000000;
JSON
{
  "hex": "#45b2e8",
  "rgb": {
    "r": 69,
    "g": 178,
    "b": 232
  },
  "hsl": {
    "h": 199.877,
    "s": 77.99,
    "l": 59.02
  },
  "oklch": {
    "l": 0.724,
    "c": 0.12514,
    "h": 234
  },
  "luminance": 0.38932
}

Semantic roles & 50–950 ramp

primary
#45B2E8
secondary
#E4BAA4
accent
#7333F4
background
#F9FCFE
surface
#F2F8FD
border
#CCD1D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #45B2E8

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

Preview Lab → · Contrast checker → · Palette generator →

#45B2E8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva