#40AAD5#40AAD5

#40AAD5 is a light, moderate cyan. Relative luminance 0.346; OKLCH L 69.5% C 0.114 H 228.8°. Best body text is #000000 at 7.93:1 contrast (WCAG AA passes).

Color values

HEX#40AAD5
RGBrgb(64, 170, 213)
HSLhsl(197, 64%, 54%)
HSVhsv(197, 70%, 84%)
CMYKcmyk(70%, 20.2%, 0%, 16.5%)
CIE-LABlab(65.47, -16.51, -30.60)
CIE-LCHlch(65.47, 34.77, 241.64°)
OKLaboklab(69.53% -0.075 -0.0858)
OKLCHoklch(69.53% 0.114 228.8)
XYZxyz(28.4945, 34.6403, 68.1224)
Luminance0.3464 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40AAD5 #D56B40
analogous
#40D5B5 #40AAD5 #4060D5
triadic
#40AAD5 #D540AA #AAD540
tetradic
#40AAD5 #B540D5 #D56B40 #60D540
square
#40AAD5 #B540D5 #D56B40 #60D540
split-complementary
#40AAD5 #D54060 #D5B540
monochromatic
#1C627F #2789B1 #40AAD5 #72C0E0 #A4D7EB

Accessibility & contrast

On white

2.65
#40AAD5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.93
#40AAD5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AAD5
7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40AAD5#FFFFFF#000000##000000
##40AAD51.002.657.937.93
#FFFFFF2.651.0021.0021.00
#0000007.9321.001.001.00
##0000007.9321.001.001.00

Color blindness preview

Protanopia (red-blind)
#94A7D7
Deuteranopia (green-blind)
#7F98D4
Tritanopia (blue-blind)
#00B6B8
Achromatopsia (no color)
#9F9F9F

Design tokens & code

CSS
--color: #40aad5;
/* rgb */ color: rgb(64, 170, 213);
/* oklch */ color: oklch(69.5% 0.114 228.8);
Tailwind
colors: {
  custom: {
    50: '#87c3e2',
    500: '#40aad5',
    950: '#000000',
  },
}
SCSS
$custom: #40aad5;
$custom-light: #87c3e2;
$custom-dark: #000000;
JSON
{
  "hex": "#40aad5",
  "rgb": {
    "r": 64,
    "g": 170,
    "b": 213
  },
  "hsl": {
    "h": 197.315,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.69531,
    "c": 0.11391,
    "h": 228.8
  },
  "luminance": 0.34644
}

Semantic roles & 50–950 ramp

primary
#40AAD5
secondary
#D8AB99
accent
#7141E7
background
#F9FCFD
surface
#F1F8FB
border
#CBD1D4
text
#0D1215
muted
#7E8183

Preview Lab

Preview with #40AAD5

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

Preview Lab → · Contrast checker → · Palette generator →

#40AAD5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva