#45B3CD#45B3CD

#45B3CD is a light, moderate cyan. Relative luminance 0.379; OKLCH L 71.5% C 0.105 H 216.4°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX#45B3CD
RGBrgb(69, 179, 205)
HSLhsl(191, 58%, 54%)
HSVhsv(191, 66%, 80%)
CMYKcmyk(66.3%, 12.7%, 0%, 19.6%)
CIE-LABlab(67.95, -23.00, -22.35)
CIE-LCHlch(67.95, 32.07, 224.18°)
OKLaboklab(71.46% -0.0844 -0.0622)
OKLCHoklch(71.46% 0.105 216.4)
XYZxyz(29.5892, 37.9099, 63.5037)
Luminance0.3791 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45B3CD #CD5F45
analogous
#45CDA3 #45B3CD #456FCD
triadic
#45B3CD #CD45B3 #B3CD45
tetradic
#45B3CD #A345CD #CD5F45 #6FCD45
square
#45B3CD #A345CD #CD5F45 #6FCD45
split-complementary
#45B3CD #CD456F #CDA345
monochromatic
#206777 #2D90A8 #45B3CD #75C7DA #A5DAE7

Accessibility & contrast

On white

2.45
#45B3CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.58
#45B3CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B3CD
8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45B3CD#FFFFFF#000000##000000
##45B3CD1.002.458.588.58
#FFFFFF2.451.0021.0021.00
#0000008.5821.001.001.00
##0000008.5821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A1AECE
Deuteranopia (green-blind)
#8E9FCD
Tritanopia (blue-blind)
#00BCBB
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #45b3cd;
/* rgb */ color: rgb(69, 179, 205);
/* oklch */ color: oklch(71.5% 0.105 216.4);
Tailwind
colors: {
  custom: {
    50: '#88cadc',
    500: '#45b3cd',
    950: '#000000',
  },
}
SCSS
$custom: #45b3cd;
$custom-light: #88cadc;
$custom-dark: #000000;
JSON
{
  "hex": "#45b3cd",
  "rgb": {
    "r": 69,
    "g": 179,
    "b": 205
  },
  "hsl": {
    "h": 191.471,
    "s": 57.627,
    "l": 53.725
  },
  "oklch": {
    "l": 0.71461,
    "c": 0.10487,
    "h": 216.4
  },
  "luminance": 0.37913
}

Semantic roles & 50–950 ramp

primary
#45B3CD
secondary
#D4A59A
accent
#6447E1
background
#F9FCFD
surface
#F1F8FB
border
#CBD1D4
text
#0D1315
muted
#7E8283

Preview Lab

Preview with #45B3CD

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

Preview Lab → · Contrast checker → · Palette generator →

#45B3CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva