#40C5B5#40C5B5

#40C5B5 is a light, moderate teal. Relative luminance 0.444; OKLCH L 74.8% C 0.116 H 183.6°. Best body text is #000000 at 9.87:1 contrast (WCAG AA passes).

Color values

HEX#40C5B5
RGBrgb(64, 197, 181)
HSLhsl(173, 53%, 51%)
HSVhsv(173, 68%, 77%)
CMYKcmyk(67.5%, 0%, 8.1%, 22.7%)
CIE-LABlab(72.47, -39.31, -2.46)
CIE-LCHlch(72.47, 39.39, 183.57°)
OKLaboklab(74.83% -0.1155 -0.0073)
OKLCHoklch(74.83% 0.116 183.6)
XYZxyz(30.4172, 44.3552, 50.6655)
Luminance0.4436 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40C5B5 #C54050
analogous
#40C572 #40C5B5 #4092C5
triadic
#40C5B5 #B540C5 #C5B540
tetradic
#40C5B5 #7240C5 #C54050 #92C540
square
#40C5B5 #7240C5 #C54050 #92C540
split-complementary
#40C5B5 #C54092 #C57240
monochromatic
#206A61 #2F998C #40C5B5 #6FD3C7 #9EE2D9

Accessibility & contrast

On white

2.13
#40C5B5 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.87
#40C5B5 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C5B5
9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40C5B5#FFFFFF#000000##000000
##40C5B51.002.139.879.87
#FFFFFF2.131.0021.0021.00
#0000009.8721.001.001.00
##0000009.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#BCBAB4
Deuteranopia (green-blind)
#A8ACB7
Tritanopia (blue-blind)
#00C9C0
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #40c5b5;
/* rgb */ color: rgb(64, 197, 181);
/* oklch */ color: oklch(74.8% 0.116 183.6);
Tailwind
colors: {
  custom: {
    50: '#86d7cb',
    500: '#40c5b5',
    950: '#000000',
  },
}
SCSS
$custom: #40c5b5;
$custom-light: #86d7cb;
$custom-dark: #000000;
JSON
{
  "hex": "#40c5b5",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 181
  },
  "hsl": {
    "h": 172.782,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74826,
    "c": 0.1157,
    "h": 183.6
  },
  "luminance": 0.44359
}

Semantic roles & 50–950 ramp

primary
#40C5B5
secondary
#CE939A
accent
#4B5DDD
background
#F8FDFC
surface
#F0FAF8
border
#CBD3D1
text
#0D1413
muted
#7D8382

Preview Lab

Preview with #40C5B5

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

Preview Lab → · Contrast checker → · Palette generator →

#40C5B5 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva