#40B5B3#40B5B3

#40B5B3 is a light, moderate teal. Relative luminance 0.374; OKLCH L 70.8% C 0.103 H 193.5°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX#40B5B3
RGBrgb(64, 181, 179)
HSLhsl(179, 48%, 48%)
HSVhsv(179, 65%, 71%)
CMYKcmyk(64.6%, 0%, 1.1%, 29%)
CIE-LABlab(67.57, -32.45, -8.60)
CIE-LCHlch(67.57, 33.57, 194.84°)
OKLaboklab(70.83% -0.0999 -0.0239)
OKLCHoklch(70.83% 0.103 193.5)
XYZxyz(26.7713, 37.3894, 48.4451)
Luminance0.3739 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B5B3 #B54042
analogous
#40B578 #40B5B3 #407DB5
triadic
#40B5B3 #B340B5 #B5B340
tetradic
#40B5B3 #7840B5 #B54042 #7DB540
square
#40B5B3 #7840B5 #B54042 #7DB540
split-complementary
#40B5B3 #B5407D #B57840
monochromatic
#205B5A #308886 #40B5B3 #68CAC8 #96DAD9

Accessibility & contrast

On white

2.48
#40B5B3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.48
#40B5B3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B5B3
8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B5B3#FFFFFF#000000##000000
##40B5B31.002.488.488.48
#FFFFFF2.481.0021.0021.00
#0000008.4821.001.001.00
##0000008.4821.001.001.00

Color blindness preview

Protanopia (red-blind)
#AAACB3
Deuteranopia (green-blind)
#989FB4
Tritanopia (blue-blind)
#00BAB4
Achromatopsia (no color)
#A5A5A5

Design tokens & code

CSS
--color: #40b5b3;
/* rgb */ color: rgb(64, 181, 179);
/* oklch */ color: oklch(70.8% 0.103 193.5);
Tailwind
colors: {
  custom: {
    50: '#84cbc9',
    500: '#40b5b3',
    950: '#000000',
  },
}
SCSS
$custom: #40b5b3;
$custom-light: #84cbc9;
$custom-dark: #000000;
JSON
{
  "hex": "#40b5b3",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 179
  },
  "hsl": {
    "h": 178.974,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.70829,
    "c": 0.10271,
    "h": 193.5
  },
  "luminance": 0.37392
}

Semantic roles & 50–950 ramp

primary
#40B5B3
secondary
#C58B8C
accent
#5053D7
background
#F8FCFC
surface
#F0F8F8
border
#CBD1D1
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #40B5B3

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

Preview Lab → · Contrast checker → · Palette generator →

#40B5B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva