#40D9B3#40D9B3

#40D9B3 is a light, vivid teal. Relative luminance 0.540; OKLCH L 79.7% C 0.138 H 172.3°. Best body text is #000000 at 11.79:1 contrast (WCAG AA passes).

Color values

HEX#40D9B3
RGBrgb(64, 217, 179)
HSLhsl(165, 67%, 55%)
HSVhsv(165, 71%, 85%)
CMYKcmyk(70.5%, 0%, 17.5%, 14.9%)
CIE-LABlab(78.44, -48.49, 7.30)
CIE-LCHlch(78.44, 49.04, 171.44°)
OKLaboklab(79.69% -0.1364 0.0185)
OKLCHoklch(79.69% 0.138 172.3)
XYZxyz(35.0597, 53.9663, 51.2079)
Luminance0.5397 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D9B3 #D94066
analogous
#40D966 #40D9B3 #40B2D9
triadic
#40D9B3 #B340D9 #D9B340
tetradic
#40D9B3 #6640D9 #D94066 #B2D940
square
#40D9B3 #6640D9 #D94066 #B2D940
split-complementary
#40D9B3 #D940B2 #D96640
monochromatic
#1A846A #24B793 #40D9B3 #73E3C7 #A6EDDC

Accessibility & contrast

On white

1.78
#40D9B3 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.79
#40D9B3 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9B3
11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D9B3#FFFFFF#000000##000000
##40D9B31.001.7811.7911.79
#FFFFFF1.781.0021.0021.00
#00000011.7921.001.001.00
##00000011.7921.001.001.00

Color blindness preview

Protanopia (red-blind)
#D2CBB1
Deuteranopia (green-blind)
#BEBCB6
Tritanopia (blue-blind)
#00DBCE
Achromatopsia (no color)
#C2C2C2

Design tokens & code

CSS
--color: #40d9b3;
/* rgb */ color: rgb(64, 217, 179);
/* oklch */ color: oklch(79.7% 0.138 172.3);
Tailwind
colors: {
  custom: {
    50: '#89e5c9',
    500: '#40d9b3',
    950: '#000000',
  },
}
SCSS
$custom: #40d9b3;
$custom-light: #89e5c9;
$custom-dark: #000000;
JSON
{
  "hex": "#40d9b3",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 179
  },
  "hsl": {
    "h": 165.098,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.79686,
    "c": 0.13768,
    "h": 172.3
  },
  "luminance": 0.5397
}

Semantic roles & 50–950 ramp

primary
#40D9B3
secondary
#8B3248
accent
#3E69EA
background
#FCFEFD
surface
#F4FCF9
border
#CED5D2
text
#0D1613
muted
#7F8482

Preview Lab

Preview with #40D9B3

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

Preview Lab → · Contrast checker → · Palette generator →

#40D9B3 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva