#45B1DD#45B1DD

#45B1DD is a light, moderate cyan. Relative luminance 0.379; OKLCH L 71.7% C 0.116 H 228.8°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX#45B1DD
RGBrgb(69, 177, 221)
HSLhsl(197, 69%, 57%)
HSVhsv(197, 69%, 87%)
CMYKcmyk(68.8%, 19.9%, 0%, 13.3%)
CIE-LABlab(67.97, -16.93, -31.13)
CIE-LCHlch(67.97, 35.43, 241.46°)
OKLaboklab(71.67% -0.0764 -0.0872)
OKLCHoklch(71.67% 0.116 228.8)
XYZxyz(31.2223, 37.9265, 74.0676)
Luminance0.3793 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45B1DD #DD7145
analogous
#45DDBD #45B1DD #4565DD
triadic
#45B1DD #DD45B1 #B1DD45
tetradic
#45B1DD #BD45DD #DD7145 #65DD45
square
#45B1DD #BD45DD #DD7145 #65DD45
split-complementary
#45B1DD #DD4565 #DDBD45
monochromatic
#1A6C8E #2394C1 #45B1DD #79C7E6 #ACDCF0

Accessibility & contrast

On white

2.45
#45B1DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.59
#45B1DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B1DD
8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45B1DD#FFFFFF#000000##000000
##45B1DD1.002.458.598.59
#FFFFFF2.451.0021.0021.00
#0000008.5921.001.001.00
##0000008.5921.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AAEDF
Deuteranopia (green-blind)
#859FDC
Tritanopia (blue-blind)
#00BDBF
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #45b1dd;
/* rgb */ color: rgb(69, 177, 221);
/* oklch */ color: oklch(71.7% 0.116 228.8);
Tailwind
colors: {
  custom: {
    50: '#8ac8e7',
    500: '#45b1dd',
    950: '#000000',
  },
}
SCSS
$custom: #45b1dd;
$custom-light: #8ac8e7;
$custom-dark: #000000;
JSON
{
  "hex": "#45b1dd",
  "rgb": {
    "r": 69,
    "g": 177,
    "b": 221
  },
  "hsl": {
    "h": 197.368,
    "s": 69.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.71669,
    "c": 0.11594,
    "h": 228.8
  },
  "luminance": 0.3793
}

Semantic roles & 50–950 ramp

primary
#45B1DD
secondary
#DEB2A0
accent
#6F3CEC
background
#F9FCFE
surface
#F1F8FC
border
#CBD1D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #45B1DD

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

Preview Lab → · Contrast checker → · Palette generator →

#45B1DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva