#40B5AA#40B5AA

#40B5AA is a light, moderate teal. Relative luminance 0.370; OKLCH L 70.5% C 0.105 H 186.3°. Best body text is #000000 at 8.41:1 contrast (WCAG AA passes).

Color values

HEX#40B5AA
RGBrgb(64, 181, 170)
HSLhsl(174, 48%, 48%)
HSVhsv(174, 65%, 71%)
CMYKcmyk(64.6%, 0%, 6.1%, 29%)
CIE-LABlab(67.30, -34.95, -4.02)
CIE-LCHlch(67.30, 35.18, 186.56°)
OKLaboklab(70.53% -0.1039 -0.0114)
OKLCHoklch(70.53% 0.105 186.3)
XYZxyz(25.8906, 37.0372, 43.8068)
Luminance0.3704 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B5AA #B5404B
analogous
#40B56F #40B5AA #4085B5
triadic
#40B5AA #AA40B5 #B5AA40
tetradic
#40B5AA #6F40B5 #B5404B #85B540
square
#40B5AA #6F40B5 #B5404B #85B540
split-complementary
#40B5AA #B54085 #B56F40
monochromatic
#205B55 #308880 #40B5AA #68CAC1 #96DAD3

Accessibility & contrast

On white

2.50
#40B5AA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.41
#40B5AA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B5AA
8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B5AA#FFFFFF#000000##000000
##40B5AA1.002.508.418.41
#FFFFFF2.501.0021.0021.00
#0000008.4121.001.001.00
##0000008.4121.001.001.00

Color blindness preview

Protanopia (red-blind)
#ACABAA
Deuteranopia (green-blind)
#9A9EAB
Tritanopia (blue-blind)
#00B9B1
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #40b5aa;
/* rgb */ color: rgb(64, 181, 170);
/* oklch */ color: oklch(70.5% 0.105 186.3);
Tailwind
colors: {
  custom: {
    50: '#83cbc3',
    500: '#40b5aa',
    950: '#000000',
  },
}
SCSS
$custom: #40b5aa;
$custom-light: #83cbc3;
$custom-dark: #000000;
JSON
{
  "hex": "#40b5aa",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 170
  },
  "hsl": {
    "h": 174.359,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.70528,
    "c": 0.10453,
    "h": 186.3
  },
  "luminance": 0.3704
}

Semantic roles & 50–950 ramp

primary
#40B5AA
secondary
#C58B91
accent
#505DD7
background
#F8FCFB
surface
#F0F9F7
border
#CBD2D0
text
#0C1312
muted
#7D8281

Preview Lab

Preview with #40B5AA

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

Preview Lab → · Contrast checker → · Palette generator →

#40B5AA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva