#40ABC7#40ABC7

#40ABC7 is a light, moderate cyan. Relative luminance 0.343; OKLCH L 69.2% C 0.104 H 218.5°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX#40ABC7
RGBrgb(64, 171, 199)
HSLhsl(192, 55%, 52%)
HSVhsv(192, 68%, 78%)
CMYKcmyk(67.8%, 14.1%, 0%, 22%)
CIE-LABlab(65.23, -21.51, -23.21)
CIE-LCHlch(65.23, 31.65, 227.18°)
OKLaboklab(69.16% -0.0812 -0.0647)
OKLCHoklch(69.16% 0.104 218.5)
XYZxyz(26.9818, 34.3363, 59.2273)
Luminance0.3434 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40ABC7 #C75C40
analogous
#40C79F #40ABC7 #4068C7
triadic
#40ABC7 #C740AB #ABC740
tetradic
#40ABC7 #9F40C7 #C75C40 #68C740
square
#40ABC7 #9F40C7 #C75C40 #68C740
split-complementary
#40ABC7 #C74068 #C79F40
monochromatic
#205D6D #2E859C #40ABC7 #6FC0D5 #9FD5E3

Accessibility & contrast

On white

2.67
#40ABC7 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.87
#40ABC7 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40ABC7
7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40ABC7#FFFFFF#000000##000000
##40ABC71.002.677.877.87
#FFFFFF2.671.0021.0021.00
#0000007.8721.001.001.00
##0000007.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#99A6C9
Deuteranopia (green-blind)
#8698C7
Tritanopia (blue-blind)
#00B5B4
Achromatopsia (no color)
#9E9E9E

Design tokens & code

CSS
--color: #40abc7;
/* rgb */ color: rgb(64, 171, 199);
/* oklch */ color: oklch(69.2% 0.104 218.5);
Tailwind
colors: {
  custom: {
    50: '#85c4d8',
    500: '#40abc7',
    950: '#000000',
  },
}
SCSS
$custom: #40abc7;
$custom-light: #85c4d8;
$custom-dark: #000000;
JSON
{
  "hex": "#40abc7",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 199
  },
  "hsl": {
    "h": 192.444,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.69163,
    "c": 0.10383,
    "h": 218.5
  },
  "luminance": 0.34339
}

Semantic roles & 50–950 ramp

primary
#40ABC7
secondary
#CFA094
accent
#694ADE
background
#F8FCFD
surface
#F0F8FA
border
#CBD1D3
text
#0C1214
muted
#7D8183

Preview Lab

Preview with #40ABC7

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

Preview Lab → · Contrast checker → · Palette generator →

#40ABC7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva