#40D9CD#40D9CD

#40D9CD is a light, vivid teal. Relative luminance 0.551; OKLCH L 80.5% C 0.126 H 187.2°. Best body text is #000000 at 12.02:1 contrast (WCAG AA passes).

Color values

HEX#40D9CD
RGBrgb(64, 217, 205)
HSLhsl(175, 67%, 55%)
HSVhsv(175, 71%, 85%)
CMYKcmyk(70.5%, 0%, 5.5%, 14.9%)
CIE-LABlab(79.11, -41.80, -5.61)
CIE-LCHlch(79.11, 42.18, 187.64°)
OKLaboklab(80.45% -0.1247 -0.0158)
OKLCHoklch(80.45% 0.126 187.2)
XYZxyz(37.9415, 55.1190, 66.3852)
Luminance0.5512 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40D9CD #D9404C
analogous
#40D980 #40D9CD #4099D9
triadic
#40D9CD #CD40D9 #D9CD40
tetradic
#40D9CD #8040D9 #D9404C #99D940
square
#40D9CD #8040D9 #D9404C #99D940
split-complementary
#40D9CD #D94099 #D98040
monochromatic
#1A847C #24B7AC #40D9CD #73E3DA #A6EDE8

Accessibility & contrast

On white

1.75
#40D9CD on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

12.02
#40D9CD on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9CD
12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40D9CD#FFFFFF#000000##000000
##40D9CD1.001.7512.0212.02
#FFFFFF1.751.0021.0021.00
#00000012.0221.001.001.00
##00000012.0221.001.001.00

Color blindness preview

Protanopia (red-blind)
#CDCDCD
Deuteranopia (green-blind)
#B8BDCF
Tritanopia (blue-blind)
#00DED5
Achromatopsia (no color)
#C4C4C4

Design tokens & code

CSS
--color: #40d9cd;
/* rgb */ color: rgb(64, 217, 205);
/* oklch */ color: oklch(80.5% 0.126 187.2);
Tailwind
colors: {
  custom: {
    50: '#8be5dc',
    500: '#40d9cd',
    950: '#000000',
  },
}
SCSS
$custom: #40d9cd;
$custom-light: #8be5dc;
$custom-dark: #000000;
JSON
{
  "hex": "#40d9cd",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 205
  },
  "hsl": {
    "h": 175.294,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80452,
    "c": 0.12573,
    "h": 187.2
  },
  "luminance": 0.55123
}

Semantic roles & 50–950 ramp

primary
#40D9CD
secondary
#8B3239
accent
#3E4CEA
background
#FCFEFE
surface
#F4FCFB
border
#CED5D4
text
#0D1615
muted
#7F8484

Preview Lab

Preview with #40D9CD

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

Preview Lab → · Contrast checker → · Palette generator →

#40D9CD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva