#40B0BC#40B0BC

#40B0BC is a light, moderate teal. Relative luminance 0.358; OKLCH L 69.9% C 0.100 H 205.2°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX#40B0BC
RGBrgb(64, 176, 188)
HSLhsl(186, 49%, 49%)
HSVhsv(186, 66%, 74%)
CMYKcmyk(66%, 6.4%, 0%, 26.3%)
CIE-LABlab(66.34, -27.41, -15.42)
CIE-LCHlch(66.34, 31.45, 209.36°)
OKLaboklab(69.93% -0.0908 -0.0428)
OKLCHoklch(69.93% 0.1 205.2)
XYZxyz(26.7129, 35.7685, 53.0634)
Luminance0.3577 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B0BC #BC4C40
analogous
#40BC8A #40B0BC #4072BC
triadic
#40B0BC #BC40B0 #B0BC40
tetradic
#40B0BC #8A40BC #BC4C40 #72BC40
square
#40B0BC #8A40BC #BC4C40 #72BC40
split-complementary
#40B0BC #BC4072 #BC8A40
monochromatic
#215B61 #30858E #40B0BC #6CC4CD #9AD6DD

Accessibility & contrast

On white

2.58
#40B0BC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.15
#40B0BC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B0BC
8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B0BC#FFFFFF#000000##000000
##40B0BC1.002.588.158.15
#FFFFFF2.581.0021.0021.00
#0000008.1521.001.001.00
##0000008.1521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A2A9BD
Deuteranopia (green-blind)
#909CBC
Tritanopia (blue-blind)
#00B7B3
Achromatopsia (no color)
#A1A1A1

Design tokens & code

CSS
--color: #40b0bc;
/* rgb */ color: rgb(64, 176, 188);
/* oklch */ color: oklch(69.9% 0.100 205.2);
Tailwind
colors: {
  custom: {
    50: '#84c8d0',
    500: '#40b0bc',
    950: '#000000',
  },
}
SCSS
$custom: #40b0bc;
$custom-light: #84c8d0;
$custom-dark: #000000;
JSON
{
  "hex": "#40b0bc",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 188
  },
  "hsl": {
    "h": 185.806,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.69932,
    "c": 0.10039,
    "h": 205.2
  },
  "luminance": 0.35771
}

Semantic roles & 50–950 ramp

primary
#40B0BC
secondary
#C9958F
accent
#5C4FD9
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #40B0BC

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

Preview Lab → · Contrast checker → · Palette generator →

#40B0BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva