#40AEC8#40AEC8

#40AEC8 is a light, moderate cyan. Relative luminance 0.355; OKLCH L 69.9% C 0.104 H 216.6°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX#40AEC8
RGBrgb(64, 174, 200)
HSLhsl(191, 55%, 52%)
HSVhsv(191, 68%, 78%)
CMYKcmyk(68%, 13%, 0%, 21.6%)
CIE-LABlab(66.16, -22.75, -22.34)
CIE-LCHlch(66.16, 31.89, 224.49°)
OKLaboklab(69.92% -0.0839 -0.0622)
OKLCHoklch(69.92% 0.104 216.6)
XYZxyz(27.6714, 35.5291, 60.0318)
Luminance0.3553 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40AEC8 #C85A40
analogous
#40C89E #40AEC8 #406AC8
triadic
#40AEC8 #C840AE #AEC840
tetradic
#40AEC8 #9E40C8 #C85A40 #6AC840
square
#40AEC8 #9E40C8 #C85A40 #6AC840
split-complementary
#40AEC8 #C8406A #C89E40
monochromatic
#205F6E #2D889D #40AEC8 #70C2D6 #9FD6E3

Accessibility & contrast

On white

2.59
#40AEC8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.11
#40AEC8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AEC8
8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40AEC8#FFFFFF#000000##000000
##40AEC81.002.598.118.11
#FFFFFF2.591.0021.0021.00
#0000008.1121.001.001.00
##0000008.1121.001.001.00

Color blindness preview

Protanopia (red-blind)
#9DA9C9
Deuteranopia (green-blind)
#899BC8
Tritanopia (blue-blind)
#00B7B6
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #40aec8;
/* rgb */ color: rgb(64, 174, 200);
/* oklch */ color: oklch(69.9% 0.104 216.6);
Tailwind
colors: {
  custom: {
    50: '#85c6d8',
    500: '#40aec8',
    950: '#000000',
  },
}
SCSS
$custom: #40aec8;
$custom-light: #85c6d8;
$custom-dark: #000000;
JSON
{
  "hex": "#40aec8",
  "rgb": {
    "r": 64,
    "g": 174,
    "b": 200
  },
  "hsl": {
    "h": 191.471,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.69922,
    "c": 0.10444,
    "h": 216.6
  },
  "luminance": 0.35532
}

Semantic roles & 50–950 ramp

primary
#40AEC8
secondary
#D09F94
accent
#6649DF
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1314
muted
#7D8283

Preview Lab

Preview with #40AEC8

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

Preview Lab → · Contrast checker → · Palette generator →

#40AEC8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva