#40ABD1#40ABD1

#40ABD1 is a light, moderate cyan. Relative luminance 0.348; OKLCH L 69.6% C 0.110 H 225.5°. Best body text is #000000 at 7.96:1 contrast (WCAG AA passes).

Color values

HEX#40ABD1
RGBrgb(64, 171, 209)
HSLhsl(196, 61%, 54%)
HSVhsv(196, 69%, 82%)
CMYKcmyk(69.4%, 18.2%, 0%, 18%)
CIE-LABlab(65.61, -18.34, -28.17)
CIE-LCHlch(65.61, 33.61, 236.94°)
OKLaboklab(69.59% -0.0774 -0.0788)
OKLCHoklch(69.59% 0.11 225.5)
XYZxyz(28.1812, 34.8161, 65.5442)
Luminance0.3482 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40ABD1 #D16640
analogous
#40D1AE #40ABD1 #4062D1
triadic
#40ABD1 #D140AB #ABD140
tetradic
#40ABD1 #AE40D1 #D16640 #62D140
square
#40ABD1 #AE40D1 #D16640 #62D140
split-complementary
#40ABD1 #D14062 #D1AE40
monochromatic
#1D6179 #2989AB #40ABD1 #71C1DD #A3D6E9

Accessibility & contrast

On white

2.64
#40ABD1 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.96
#40ABD1 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ABD1
7.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40ABD1#FFFFFF#000000##000000
##40ABD11.002.647.967.96
#FFFFFF2.641.0021.0021.00
#0000007.9621.001.001.00
##0000007.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#96A8D3
Deuteranopia (green-blind)
#8299D1
Tritanopia (blue-blind)
#00B6B7
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #40abd1;
/* rgb */ color: rgb(64, 171, 209);
/* oklch */ color: oklch(69.6% 0.110 225.5);
Tailwind
colors: {
  custom: {
    50: '#86c4df',
    500: '#40abd1',
    950: '#000000',
  },
}
SCSS
$custom: #40abd1;
$custom-light: #86c4df;
$custom-dark: #000000;
JSON
{
  "hex": "#40abd1",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 209
  },
  "hsl": {
    "h": 195.724,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.69589,
    "c": 0.11048,
    "h": 225.5
  },
  "luminance": 0.34819
}

Semantic roles & 50–950 ramp

primary
#40ABD1
secondary
#D5A897
accent
#6E44E4
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0D1215
muted
#7D8183

Preview Lab

Preview with #40ABD1

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

Preview Lab → · Contrast checker → · Palette generator →

#40ABD1 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva