#40AAC7#40AAC7

#40AAC7 is a light, moderate cyan. Relative luminance 0.340; OKLCH L 68.9% C 0.104 H 219.5°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX#40AAC7
RGBrgb(64, 170, 199)
HSLhsl(193, 55%, 52%)
HSVhsv(193, 68%, 78%)
CMYKcmyk(67.8%, 14.6%, 0%, 22%)
CIE-LABlab(64.93, -21.00, -23.67)
CIE-LCHlch(64.93, 31.64, 228.42°)
OKLaboklab(68.92% -0.0802 -0.066)
OKLCHoklch(68.92% 0.104 219.5)
XYZxyz(26.7936, 33.9600, 59.1646)
Luminance0.3396 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40AAC7 #C75D40
analogous
#40C7A1 #40AAC7 #4067C7
triadic
#40AAC7 #C740AA #AAC740
tetradic
#40AAC7 #A140C7 #C75D40 #67C740
square
#40AAC7 #A140C7 #C75D40 #67C740
split-complementary
#40AAC7 #C74067 #C7A140
monochromatic
#205C6D #2E849C #40AAC7 #6FBFD5 #9FD4E3

Accessibility & contrast

On white

2.69
#40AAC7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.79
#40AAC7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AAC7
7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40AAC7#FFFFFF#000000##000000
##40AAC71.002.697.797.79
#FFFFFF2.691.0021.0021.00
#0000007.7921.001.001.00
##0000007.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#98A5C9
Deuteranopia (green-blind)
#8598C7
Tritanopia (blue-blind)
#00B4B3
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #40aac7;
/* rgb */ color: rgb(64, 170, 199);
/* oklch */ color: oklch(68.9% 0.104 219.5);
Tailwind
colors: {
  custom: {
    50: '#85c3d8',
    500: '#40aac7',
    950: '#000000',
  },
}
SCSS
$custom: #40aac7;
$custom-light: #85c3d8;
$custom-dark: #000000;
JSON
{
  "hex": "#40aac7",
  "rgb": {
    "r": 64,
    "g": 170,
    "b": 199
  },
  "hsl": {
    "h": 192.889,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.68924,
    "c": 0.10387,
    "h": 219.5
  },
  "luminance": 0.33963
}

Semantic roles & 50–950 ramp

primary
#40AAC7
secondary
#CFA094
accent
#6A4ADE
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #40AAC7

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

Preview Lab → · Contrast checker → · Palette generator →

#40AAC7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva