#40AED0#40AED0

#40AED0 is a light, moderate cyan. Relative luminance 0.359; OKLCH L 70.3% C 0.109 H 222.3°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX#40AED0
RGBrgb(64, 174, 208)
HSLhsl(194, 61%, 53%)
HSVhsv(194, 69%, 82%)
CMYKcmyk(69.2%, 16.3%, 0%, 18.4%)
CIE-LABlab(66.45, -20.23, -26.31)
CIE-LCHlch(66.45, 33.19, 232.45°)
OKLaboklab(70.26% -0.0808 -0.0735)
OKLCHoklch(70.26% 0.109 222.3)
XYZxyz(28.6309, 35.9129, 65.0852)
Luminance0.3592 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40AED0 #D06240
analogous
#40D0AA #40AED0 #4066D0
triadic
#40AED0 #D040AE #AED040
tetradic
#40AED0 #AA40D0 #D06240 #66D040
square
#40AED0 #AA40D0 #D06240 #66D040
split-complementary
#40AED0 #D04066 #D0AA40
monochromatic
#1E6378 #2A8BA9 #40AED0 #71C3DC #A2D8E8

Accessibility & contrast

On white

2.57
#40AED0 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.18
#40AED0 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AED0
8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40AED0#FFFFFF#000000##000000
##40AED01.002.578.188.18
#FFFFFF2.571.0021.0021.00
#0000008.1821.001.001.00
##0000008.1821.001.001.00

Color blindness preview

Protanopia (red-blind)
#9AAAD2
Deuteranopia (green-blind)
#869BD0
Tritanopia (blue-blind)
#00B9B9
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #40aed0;
/* rgb */ color: rgb(64, 174, 208);
/* oklch */ color: oklch(70.3% 0.109 222.3);
Tailwind
colors: {
  custom: {
    50: '#86c6de',
    500: '#40aed0',
    950: '#000000',
  },
}
SCSS
$custom: #40aed0;
$custom-light: #86c6de;
$custom-dark: #000000;
JSON
{
  "hex": "#40aed0",
  "rgb": {
    "r": 64,
    "g": 174,
    "b": 208
  },
  "hsl": {
    "h": 194.167,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.70256,
    "c": 0.10922,
    "h": 222.3
  },
  "luminance": 0.35916
}

Semantic roles & 50–950 ramp

primary
#40AED0
secondary
#D5A697
accent
#6A44E4
background
#F8FCFD
surface
#F0F8FB
border
#CBD1D4
text
#0D1315
muted
#7D8283

Preview Lab

Preview with #40AED0

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

Preview Lab → · Contrast checker → · Palette generator →

#40AED0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva