#45B9DF#45B9DF

#45B9DF is a light, moderate cyan. Relative luminance 0.413; OKLCH L 73.6% C 0.115 H 223.6°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX#45B9DF
RGBrgb(69, 185, 223)
HSLhsl(195, 71%, 57%)
HSVhsv(195, 69%, 87%)
CMYKcmyk(69.1%, 17%, 0%, 12.5%)
CIE-LABlab(70.38, -20.48, -28.50)
CIE-LCHlch(70.38, 35.10, 234.31°)
OKLaboklab(73.62% -0.0836 -0.0797)
OKLCHoklch(73.62% 0.115 223.6)
XYZxyz(33.1171, 41.2871, 76.0216)
Luminance0.4129 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45B9DF #DF6B45
analogous
#45DFB8 #45B9DF #456CDF
triadic
#45B9DF #DF45B9 #B9DF45
tetradic
#45B9DF #B845DF #DF6B45 #6CDF45
square
#45B9DF #B845DF #DF6B45 #6CDF45
split-complementary
#45B9DF #DF456C #DFB845
monochromatic
#197391 #229DC5 #45B9DF #79CDE8 #ADE0F1

Accessibility & contrast

On white

2.27
#45B9DF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.26
#45B9DF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B9DF
9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45B9DF#FFFFFF#000000##000000
##45B9DF1.002.279.269.26
#FFFFFF2.271.0021.0021.00
#0000009.2621.001.001.00
##0000009.2621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3B5E1
Deuteranopia (green-blind)
#8EA5DF
Tritanopia (blue-blind)
#00C5C5
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #45b9df;
/* rgb */ color: rgb(69, 185, 223);
/* oklch */ color: oklch(73.6% 0.115 223.6);
Tailwind
colors: {
  custom: {
    50: '#8bcee9',
    500: '#45b9df',
    950: '#000000',
  },
}
SCSS
$custom: #45b9df;
$custom-light: #8bcee9;
$custom-dark: #000000;
JSON
{
  "hex": "#45b9df",
  "rgb": {
    "r": 69,
    "g": 185,
    "b": 223
  },
  "hsl": {
    "h": 194.805,
    "s": 70.642,
    "l": 57.255
  },
  "oklch": {
    "l": 0.73622,
    "c": 0.11547,
    "h": 223.6
  },
  "luminance": 0.41291
}

Semantic roles & 50–950 ramp

primary
#45B9DF
secondary
#DFB0A1
accent
#673AED
background
#F9FCFE
surface
#F2F9FC
border
#CCD2D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #45B9DF

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

Preview Lab → · Contrast checker → · Palette generator →

#45B9DF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva