#40B1BE#40B1BE

#40B1BE is a light, moderate teal. Relative luminance 0.363; OKLCH L 70.3% C 0.101 H 206.0°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX#40B1BE
RGBrgb(64, 177, 190)
HSLhsl(186, 50%, 50%)
HSVhsv(186, 66%, 75%)
CMYKcmyk(66.3%, 6.8%, 0%, 25.5%)
CIE-LABlab(66.71, -27.31, -15.97)
CIE-LCHlch(66.71, 31.64, 210.32°)
OKLaboklab(70.25% -0.091 -0.0443)
OKLCHoklch(70.25% 0.101 206)
XYZxyz(27.1268, 36.2490, 54.2723)
Luminance0.3625 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B1BE #BE4D40
analogous
#40BE8C #40B1BE #4072BE
triadic
#40B1BE #BE40B1 #B1BE40
tetradic
#40B1BE #8C40BE #BE4D40 #72BE40
square
#40B1BE #8C40BE #BE4D40 #72BE40
split-complementary
#40B1BE #BE4072 #BE8C40
monochromatic
#215C62 #318690 #40B1BE #6DC4CE #9BD6DD

Accessibility & contrast

On white

2.55
#40B1BE on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.25
#40B1BE on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B1BE
8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B1BE#FFFFFF#000000##000000
##40B1BE1.002.558.258.25
#FFFFFF2.551.0021.0021.00
#0000008.2521.001.001.00
##0000008.2521.001.001.00

Color blindness preview

Protanopia (red-blind)
#A3AABF
Deuteranopia (green-blind)
#909CBE
Tritanopia (blue-blind)
#00B8B5
Achromatopsia (no color)
#A2A2A2

Design tokens & code

CSS
--color: #40b1be;
/* rgb */ color: rgb(64, 177, 190);
/* oklch */ color: oklch(70.3% 0.101 206.0);
Tailwind
colors: {
  custom: {
    50: '#85c8d1',
    500: '#40b1be',
    950: '#000000',
  },
}
SCSS
$custom: #40b1be;
$custom-light: #85c8d1;
$custom-dark: #000000;
JSON
{
  "hex": "#40b1be",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 190
  },
  "hsl": {
    "h": 186.19,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.70251,
    "c": 0.10122,
    "h": 206
  },
  "luminance": 0.36252
}

Semantic roles & 50–950 ramp

primary
#40B1BE
secondary
#C99690
accent
#5D4FD9
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #40B1BE

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

Preview Lab → · Contrast checker → · Palette generator →

#40B1BE Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva