#45B9DB#45B9DB

#45B9DB is a light, moderate cyan. Relative luminance 0.411; OKLCH L 73.5% C 0.113 H 221.1°. Best body text is #000000 at 9.22:1 contrast (WCAG AA passes).

Color values

HEX#45B9DB
RGBrgb(69, 185, 219)
HSLhsl(194, 68%, 56%)
HSVhsv(194, 68%, 86%)
CMYKcmyk(68.5%, 15.5%, 0%, 14.1%)
CIE-LABlab(70.23, -21.73, -26.55)
CIE-LCHlch(70.23, 34.31, 230.70°)
OKLaboklab(73.45% -0.0851 -0.0741)
OKLCHoklch(73.45% 0.113 221.1)
XYZxyz(32.5841, 41.0739, 73.2149)
Luminance0.4108 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45B9DB #DB6745
analogous
#45DBB2 #45B9DB #456EDB
triadic
#45B9DB #DB45B9 #B9DB45
tetradic
#45B9DB #B245DB #DB6745 #6EDB45
square
#45B9DB #B245DB #DB6745 #6EDB45
split-complementary
#45B9DB #DB456E #DBB245
monochromatic
#1B718B #259BBE #45B9DB #78CCE5 #ACE0EF

Accessibility & contrast

On white

2.28
#45B9DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.22
#45B9DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45B9DB
9.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45B9DB#FFFFFF#000000##000000
##45B9DB1.002.289.229.22
#FFFFFF2.281.0021.0021.00
#0000009.2221.001.001.00
##0000009.2221.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5B4DD
Deuteranopia (green-blind)
#90A5DB
Tritanopia (blue-blind)
#00C4C4
Achromatopsia (no color)
#ACACAC

Design tokens & code

CSS
--color: #45b9db;
/* rgb */ color: rgb(69, 185, 219);
/* oklch */ color: oklch(73.5% 0.113 221.1);
Tailwind
colors: {
  custom: {
    50: '#8acee6',
    500: '#45b9db',
    950: '#000000',
  },
}
SCSS
$custom: #45b9db;
$custom-light: #8acee6;
$custom-dark: #000000;
JSON
{
  "hex": "#45b9db",
  "rgb": {
    "r": 69,
    "g": 185,
    "b": 219
  },
  "hsl": {
    "h": 193.6,
    "s": 67.568,
    "l": 56.471
  },
  "oklch": {
    "l": 0.73454,
    "c": 0.11282,
    "h": 221.1
  },
  "luminance": 0.41078
}

Semantic roles & 50–950 ramp

primary
#45B9DB
secondary
#DDAD9F
accent
#653DEA
background
#F9FCFE
surface
#F1F9FC
border
#CBD2D5
text
#0D1316
muted
#7E8284

Preview Lab

Preview with #45B9DB

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

Preview Lab → · Contrast checker → · Palette generator →

#45B9DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva