#40B2B8#40B2B8

#40B2B8 is a light, moderate teal. Relative luminance 0.364; OKLCH L 70.3% C 0.101 H 200.1°. Best body text is #000000 at 8.28:1 contrast (WCAG AA passes).

Color values

HEX#40B2B8
RGBrgb(64, 178, 184)
HSLhsl(183, 48%, 49%)
HSVhsv(183, 65%, 72%)
CMYKcmyk(65.2%, 3.3%, 0%, 27.8%)
CIE-LABlab(66.82, -29.57, -12.49)
CIE-LCHlch(66.82, 32.10, 202.90°)
OKLaboklab(70.27% -0.0946 -0.0346)
OKLCHoklch(70.27% 0.101 200.1)
XYZxyz(26.6827, 36.3885, 50.9556)
Luminance0.3639 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B2B8 #B84640
analogous
#40B882 #40B2B8 #4076B8
triadic
#40B2B8 #B840B2 #B2B840
tetradic
#40B2B8 #8240B8 #B84640 #76B840
square
#40B2B8 #8240B8 #B84640 #76B840
split-complementary
#40B2B8 #B84076 #B88240
monochromatic
#205A5D #30868B #40B2B8 #6AC6CB #97D8DB

Accessibility & contrast

On white

2.54
#40B2B8 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.28
#40B2B8 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B2B8
8.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B2B8#FFFFFF#000000##000000
##40B2B81.002.548.288.28
#FFFFFF2.541.0021.0021.00
#0000008.2821.001.001.00
##0000008.2821.001.001.00

Color blindness preview

Protanopia (red-blind)
#A5AAB9
Deuteranopia (green-blind)
#939DB9
Tritanopia (blue-blind)
#00B8B4
Achromatopsia (no color)
#A3A3A3

Design tokens & code

CSS
--color: #40b2b8;
/* rgb */ color: rgb(64, 178, 184);
/* oklch */ color: oklch(70.3% 0.101 200.1);
Tailwind
colors: {
  custom: {
    50: '#84c9cd',
    500: '#40b2b8',
    950: '#000000',
  },
}
SCSS
$custom: #40b2b8;
$custom-light: #84c9cd;
$custom-dark: #000000;
JSON
{
  "hex": "#40b2b8",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 184
  },
  "hsl": {
    "h": 183,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.70272,
    "c": 0.10073,
    "h": 200.1
  },
  "luminance": 0.36391
}

Semantic roles & 50–950 ramp

primary
#40B2B8
secondary
#C7908D
accent
#5750D8
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #40B2B8

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

Preview Lab → · Contrast checker → · Palette generator →

#40B2B8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva