#45C3DD#45C3DD

#45C3DD is a light, moderate cyan. Relative luminance 0.455; OKLCH L 75.9% C 0.114 H 214.3°. Best body text is #000000 at 10.10:1 contrast (WCAG AA passes).

Color values

HEX#45C3DD
RGBrgb(69, 195, 221)
HSLhsl(190, 69%, 57%)
HSVhsv(190, 69%, 87%)
CMYKcmyk(68.8%, 11.8%, 0%, 13.3%)
CIE-LABlab(73.23, -26.17, -23.05)
CIE-LCHlch(73.23, 34.87, 221.37°)
OKLaboklab(75.89% -0.0942 -0.0642)
OKLCHoklch(75.89% 0.114 214.3)
XYZxyz(35.0150, 45.5119, 75.3319)
Luminance0.4552 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#45C3DD #DD5F45
analogous
#45DDAB #45C3DD #4577DD
triadic
#45C3DD #DD45C3 #C3DD45
tetradic
#45C3DD #AB45DD #DD5F45 #77DD45
square
#45C3DD #AB45DD #DD5F45 #77DD45
split-complementary
#45C3DD #DD4577 #DDAB45
monochromatic
#1A7A8E #23A6C1 #45C3DD #79D4E6 #ACE4F0

Accessibility & contrast

On white

2.08
#45C3DD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.10
#45C3DD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #45C3DD
10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##45C3DD#FFFFFF#000000##000000
##45C3DD1.002.0810.1010.10
#FFFFFF2.081.0021.0021.00
#00000010.1021.001.001.00
##00000010.1021.001.001.00

Color blindness preview

Protanopia (red-blind)
#B0BDDE
Deuteranopia (green-blind)
#9BADDD
Tritanopia (blue-blind)
#00CDCB
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #45c3dd;
/* rgb */ color: rgb(69, 195, 221);
/* oklch */ color: oklch(75.9% 0.114 214.3);
Tailwind
colors: {
  custom: {
    50: '#8bd5e7',
    500: '#45c3dd',
    950: '#000000',
  },
}
SCSS
$custom: #45c3dd;
$custom-light: #8bd5e7;
$custom-dark: #000000;
JSON
{
  "hex": "#45c3dd",
  "rgb": {
    "r": 69,
    "g": 195,
    "b": 221
  },
  "hsl": {
    "h": 190.263,
    "s": 69.091,
    "l": 56.863
  },
  "oklch": {
    "l": 0.75887,
    "c": 0.114,
    "h": 214.3
  },
  "luminance": 0.45516
}

Semantic roles & 50–950 ramp

primary
#45C3DD
secondary
#DEABA0
accent
#5A3CEC
background
#F9FDFE
surface
#F2FAFC
border
#CCD3D5
text
#0D1416
muted
#7E8384

Preview Lab

Preview with #45C3DD

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

Preview Lab → · Contrast checker → · Palette generator →

#45C3DD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva