#40D9BD#40D9BD

#40D9BD is a light, vivid teal. Relative luminance 0.544; OKLCH L 80.0% C 0.132 H 177.6°. Best body text is #000000 at 11.88:1 contrast (WCAG AA passes).

Color values

HEX#40D9BD
RGBrgb(64, 217, 189)
HSLhsl(169, 67%, 55%)
HSVhsv(169, 71%, 85%)
CMYKcmyk(70.5%, 0%, 12.9%, 14.9%)
CIE-LABlab(78.69, -46.00, 2.32)
CIE-LCHlch(78.69, 46.06, 177.11°)
OKLaboklab(79.97% -0.1319 0.0054)
OKLCHoklch(79.97% 0.132 177.6)
XYZxyz(36.1080, 54.3856, 56.7287)
Luminance0.5439 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D9BD #D9405C
analogous
#40D971 #40D9BD #40A8D9
triadic
#40D9BD #BD40D9 #D9BD40
tetradic
#40D9BD #7140D9 #D9405C #A8D940
square
#40D9BD #7140D9 #D9405C #A8D940
split-complementary
#40D9BD #D940A8 #D97140
monochromatic
#1A8471 #24B79C #40D9BD #73E3CF #A6EDE0

Accessibility & contrast

On white

1.77
#40D9BD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.88
#40D9BD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9BD
11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D9BD#FFFFFF#000000##000000
##40D9BD1.001.7711.8811.88
#FFFFFF1.771.0021.0021.00
#00000011.8821.001.001.00
##00000011.8821.001.001.00

Color blindness preview

Protanopia (red-blind)
#D0CCBC
Deuteranopia (green-blind)
#BCBCBF
Tritanopia (blue-blind)
#00DCD1
Achromatopsia (no color)
#C3C3C3

Design tokens & code

CSS
--color: #40d9bd;
/* rgb */ color: rgb(64, 217, 189);
/* oklch */ color: oklch(80.0% 0.132 177.6);
Tailwind
colors: {
  custom: {
    50: '#8ae5d0',
    500: '#40d9bd',
    950: '#000000',
  },
}
SCSS
$custom: #40d9bd;
$custom-light: #8ae5d0;
$custom-dark: #000000;
JSON
{
  "hex": "#40d9bd",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 189
  },
  "hsl": {
    "h": 169.02,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.79966,
    "c": 0.13198,
    "h": 177.6
  },
  "luminance": 0.5439
}

Semantic roles & 50–950 ramp

primary
#40D9BD
secondary
#8B3243
accent
#3E5DEA
background
#FCFEFE
surface
#F4FCFB
border
#CED5D4
text
#0D1614
muted
#7F8483

Preview Lab

Preview with #40D9BD

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

Preview Lab → · Contrast checker → · Palette generator →

#40D9BD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva