#45C3EF#45C3EF

#45C3EF is a light, vivid cyan. Relative luminance 0.465; OKLCH L 76.6% C 0.125 H 225.5°. Best body text is #000000 at 10.31:1 contrast (WCAG AA passes).

Color values

HEX#45C3EF
RGBrgb(69, 195, 239)
HSLhsl(196, 84%, 60%)
HSVhsv(196, 71%, 94%)
CMYKcmyk(71.1%, 18.4%, 0%, 6.3%)
CIE-LABlab(73.88, -20.57, -31.78)
CIE-LCHlch(73.88, 37.86, 237.09°)
OKLaboklab(76.63% -0.0874 -0.089)
OKLCHoklch(76.63% 0.125 225.5)
XYZxyz(37.5430, 46.5231, 88.6458)
Luminance0.4653 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45C3EF #EF7145
analogous
#45EFC6 #45C3EF #456EEF
triadic
#45C3EF #EF45C3 #C3EF45
tetradic
#45C3EF #C645EF #EF7145 #6EEF45
square
#45C3EF #C645EF #EF7145 #6EEF45
split-complementary
#45C3EF #EF456E #EFC645
monochromatic
#0F82AB #14ADE3 #45C3EF #7DD5F4 #B6E7F9

Accessibility & contrast

On white

2.04
#45C3EF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.31
#45C3EF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45C3EF
10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45C3EF#FFFFFF#000000##000000
##45C3EF1.002.0410.3110.31
#FFFFFF2.041.0021.0021.00
#00000010.3121.001.001.00
##00000010.3121.001.001.00

Color blindness preview

Protanopia (red-blind)
#ABBFF1
Deuteranopia (green-blind)
#94AEEE
Tritanopia (blue-blind)
#00D0D1
Achromatopsia (no color)
#B6B6B6

Design tokens & code

CSS
--color: #45c3ef;
/* rgb */ color: rgb(69, 195, 239);
/* oklch */ color: oklch(76.6% 0.125 225.5);
Tailwind
colors: {
  custom: {
    50: '#8ed5f4',
    500: '#45c3ef',
    950: '#000000',
  },
}
SCSS
$custom: #45c3ef;
$custom-light: #8ed5f4;
$custom-dark: #000000;
JSON
{
  "hex": "#45c3ef",
  "rgb": {
    "r": 69,
    "g": 195,
    "b": 239
  },
  "hsl": {
    "h": 195.529,
    "s": 84.158,
    "l": 60.392
  },
  "oklch": {
    "l": 0.76631,
    "c": 0.12477,
    "h": 225.5
  },
  "luminance": 0.46527
}

Semantic roles & 50–950 ramp

primary
#45C3EF
secondary
#E8B8A7
accent
#3E05E1
background
#F9FDFE
surface
#F2FAFD
border
#CCD3D5
text
#0E1417
muted
#7E8385

Preview Lab

Preview with #45C3EF

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

Preview Lab → · Contrast checker → · Palette generator →

#45C3EF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva