#40ADD1#40ADD1

#40ADD1 is a light, moderate cyan. Relative luminance 0.356; OKLCH L 70.1% C 0.110 H 223.8°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX#40ADD1
RGBrgb(64, 173, 209)
HSLhsl(195, 61%, 54%)
HSVhsv(195, 69%, 82%)
CMYKcmyk(69.4%, 17.2%, 0%, 18%)
CIE-LABlab(66.20, -19.39, -27.26)
CIE-LCHlch(66.20, 33.45, 234.58°)
OKLaboklab(70.06% -0.0794 -0.0762)
OKLCHoklch(70.06% 0.11 223.8)
XYZxyz(28.5619, 35.5774, 65.6711)
Luminance0.3558 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40ADD1 #D16440
analogous
#40D1AD #40ADD1 #4064D1
triadic
#40ADD1 #D140AD #ADD140
tetradic
#40ADD1 #AD40D1 #D16440 #64D140
square
#40ADD1 #AD40D1 #D16440 #64D140
split-complementary
#40ADD1 #D14064 #D1AD40
monochromatic
#1D6279 #298BAB #40ADD1 #71C2DD #A3D7E9

Accessibility & contrast

On white

2.59
#40ADD1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.12
#40ADD1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ADD1
8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40ADD1#FFFFFF#000000##000000
##40ADD11.002.598.128.12
#FFFFFF2.591.0021.0021.00
#0000008.1221.001.001.00
##0000008.1221.001.001.00

Color blindness preview

Protanopia (red-blind)
#99A9D3
Deuteranopia (green-blind)
#859BD1
Tritanopia (blue-blind)
#00B8B9
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #40add1;
/* rgb */ color: rgb(64, 173, 209);
/* oklch */ color: oklch(70.1% 0.110 223.8);
Tailwind
colors: {
  custom: {
    50: '#86c5df',
    500: '#40add1',
    950: '#000000',
  },
}
SCSS
$custom: #40add1;
$custom-light: #86c5df;
$custom-dark: #000000;
JSON
{
  "hex": "#40add1",
  "rgb": {
    "r": 64,
    "g": 173,
    "b": 209
  },
  "hsl": {
    "h": 194.897,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.70062,
    "c": 0.11007,
    "h": 223.8
  },
  "luminance": 0.35581
}

Semantic roles & 50–950 ramp

primary
#40ADD1
secondary
#D5A797
accent
#6B44E4
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0D1315
muted
#7D8283

Preview Lab

Preview with #40ADD1

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

Preview Lab → · Contrast checker → · Palette generator →

#40ADD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva