#40B9BA#40B9BA

#40B9BA is a light, moderate teal. Relative luminance 0.393; OKLCH L 72.1% C 0.105 H 195.9°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX#40B9BA
RGBrgb(64, 185, 186)
HSLhsl(180, 49%, 49%)
HSVhsv(180, 66%, 73%)
CMYKcmyk(65.6%, 0.5%, 0%, 27.1%)
CIE-LABlab(68.99, -32.37, -10.34)
CIE-LCHlch(68.99, 33.98, 197.72°)
OKLaboklab(72.05% -0.101 -0.0287)
OKLCHoklch(72.05% 0.105 195.9)
XYZxyz(28.3223, 39.3299, 52.5436)
Luminance0.3933 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B9BA #BA4140
analogous
#40BA7E #40B9BA #407CBA
triadic
#40B9BA #BA40B9 #B9BA40
tetradic
#40B9BA #7E40BA #BA4140 #7CBA40
square
#40B9BA #7E40BA #BA4140 #7CBA40
split-complementary
#40B9BA #BA407C #BA7E40
monochromatic
#215E5F #308C8C #40B9BA #6BCBCC #99DBDC

Accessibility & contrast

On white

2.37
#40B9BA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.87
#40B9BA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B9BA
8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B9BA#FFFFFF#000000##000000
##40B9BA1.002.378.878.87
#FFFFFF2.371.0021.0021.00
#0000008.8721.001.001.00
##0000008.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#ADB0BA
Deuteranopia (green-blind)
#9AA3BB
Tritanopia (blue-blind)
#00BFB9
Achromatopsia (no color)
#A8A8A8

Design tokens & code

CSS
--color: #40b9ba;
/* rgb */ color: rgb(64, 185, 186);
/* oklch */ color: oklch(72.1% 0.105 195.9);
Tailwind
colors: {
  custom: {
    50: '#85cece',
    500: '#40b9ba',
    950: '#000000',
  },
}
SCSS
$custom: #40b9ba;
$custom-light: #85cece;
$custom-dark: #000000;
JSON
{
  "hex": "#40b9ba",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 186
  },
  "hsl": {
    "h": 180.492,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.72051,
    "c": 0.10496,
    "h": 195.9
  },
  "luminance": 0.39333
}

Semantic roles & 50–950 ramp

primary
#40B9BA
secondary
#C88F8E
accent
#514FD8
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #40B9BA

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

Preview Lab → · Contrast checker → · Palette generator →

#40B9BA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva