#40B9BD#40B9BD

#40B9BD is a light, moderate teal. Relative luminance 0.395; OKLCH L 72.2% C 0.105 H 198.3°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX#40B9BD
RGBrgb(64, 185, 189)
HSLhsl(182, 49%, 50%)
HSVhsv(182, 66%, 74%)
CMYKcmyk(66.1%, 2.1%, 0%, 25.9%)
CIE-LABlab(69.08, -31.51, -11.85)
CIE-LCHlch(69.08, 33.66, 200.61°)
OKLaboklab(72.16% -0.0997 -0.0329)
OKLCHoklch(72.16% 0.105 198.3)
XYZxyz(28.6446, 39.4588, 54.2409)
Luminance0.3946 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B9BD #BD4440
analogous
#40BD83 #40B9BD #407BBD
triadic
#40B9BD #BD40B9 #B9BD40
tetradic
#40B9BD #8340BD #BD4440 #7BBD40
square
#40B9BD #8340BD #BD4440 #7BBD40
split-complementary
#40B9BD #BD407B #BD8340
monochromatic
#215F62 #318C8F #40B9BD #6DCACD #9ADBDD

Accessibility & contrast

On white

2.36
#40B9BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.89
#40B9BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B9BD
8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B9BD#FFFFFF#000000##000000
##40B9BD1.002.368.898.89
#FFFFFF2.361.0021.0021.00
#0000008.8921.001.001.00
##0000008.8921.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACB1BD
Deuteranopia (green-blind)
#99A3BE
Tritanopia (blue-blind)
#00BFBA
Achromatopsia (no color)
#A9A9A9

Design tokens & code

CSS
--color: #40b9bd;
/* rgb */ color: rgb(64, 185, 189);
/* oklch */ color: oklch(72.2% 0.105 198.3);
Tailwind
colors: {
  custom: {
    50: '#85ced0',
    500: '#40b9bd',
    950: '#000000',
  },
}
SCSS
$custom: #40b9bd;
$custom-light: #85ced0;
$custom-dark: #000000;
JSON
{
  "hex": "#40b9bd",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 189
  },
  "hsl": {
    "h": 181.92,
    "s": 49.407,
    "l": 49.608
  },
  "oklch": {
    "l": 0.72157,
    "c": 0.10495,
    "h": 198.3
  },
  "luminance": 0.39462
}

Semantic roles & 50–950 ramp

primary
#40B9BD
secondary
#C99290
accent
#534FD9
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #40B9BD

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

Preview Lab → · Contrast checker → · Palette generator →

#40B9BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva