#40AAD6#40AAD6

#40AAD6 is a light, moderate cyan. Relative luminance 0.347; OKLCH L 69.6% C 0.115 H 229.4°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX#40AAD6
RGBrgb(64, 170, 214)
HSLhsl(198, 65%, 55%)
HSVhsv(198, 70%, 84%)
CMYKcmyk(70.1%, 20.6%, 0%, 16.1%)
CIE-LABlab(65.51, -16.19, -31.09)
CIE-LCHlch(65.51, 35.05, 242.49°)
OKLaboklab(69.58% -0.0746 -0.0872)
OKLCHoklch(69.58% 0.115 229.4)
XYZxyz(28.6218, 34.6913, 68.7929)
Luminance0.3469 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40AAD6 #D66C40
analogous
#40D6B7 #40AAD6 #405FD6
triadic
#40AAD6 #D640AA #AAD640
tetradic
#40AAD6 #B740D6 #D66C40 #5FD640
square
#40AAD6 #B740D6 #D66C40 #5FD640
split-complementary
#40AAD6 #D6405F #D6B740
monochromatic
#1B6380 #2689B2 #40AAD6 #72C0E1 #A5D7EC

Accessibility & contrast

On white

2.65
#40AAD6 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.94
#40AAD6 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AAD6
7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40AAD6#FFFFFF#000000##000000
##40AAD61.002.657.947.94
#FFFFFF2.651.0021.0021.00
#0000007.9421.001.001.00
##0000007.9421.001.001.00

Color blindness preview

Protanopia (red-blind)
#93A7D8
Deuteranopia (green-blind)
#7F99D5
Tritanopia (blue-blind)
#00B6B9
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #40aad6;
/* rgb */ color: rgb(64, 170, 214);
/* oklch */ color: oklch(69.6% 0.115 229.4);
Tailwind
colors: {
  custom: {
    50: '#87c3e2',
    500: '#40aad6',
    950: '#000000',
  },
}
SCSS
$custom: #40aad6;
$custom-light: #87c3e2;
$custom-dark: #000000;
JSON
{
  "hex": "#40aad6",
  "rgb": {
    "r": 64,
    "g": 170,
    "b": 214
  },
  "hsl": {
    "h": 197.6,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.69576,
    "c": 0.11474,
    "h": 229.4
  },
  "luminance": 0.34694
}

Semantic roles & 50–950 ramp

primary
#40AAD6
secondary
#D9AC99
accent
#7140E8
background
#F9FBFD
surface
#F1F7FB
border
#CBD0D4
text
#0D1215
muted
#7E8183

Preview Lab

Preview with #40AAD6

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

Preview Lab → · Contrast checker → · Palette generator →

#40AAD6 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva