#40C5D4#40C5D4

#40C5D4 is a light, moderate teal. Relative luminance 0.458; OKLCH L 75.9% C 0.114 H 206.0°. Best body text is #000000 at 10.16:1 contrast (WCAG AA passes).

Color values

HEX#40C5D4
RGBrgb(64, 197, 212)
HSLhsl(186, 63%, 54%)
HSVhsv(186, 70%, 83%)
CMYKcmyk(69.8%, 7.1%, 0%, 16.9%)
CIE-LABlab(73.40, -30.54, -17.92)
CIE-LCHlch(73.40, 35.41, 210.40°)
OKLaboklab(75.89% -0.1021 -0.0498)
OKLCHoklch(75.89% 0.114 206)
XYZxyz(33.9591, 45.7720, 69.3197)
Luminance0.4578 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40C5D4 #D44F40
analogous
#40D499 #40C5D4 #407BD4
triadic
#40C5D4 #D440C5 #C5D440
tetradic
#40C5D4 #9940D4 #D44F40 #7BD440
square
#40C5D4 #9940D4 #D44F40 #7BD440
split-complementary
#40C5D4 #D4407B #D49940
monochromatic
#1C747D #27A2AF #40C5D4 #72D4DF #A4E3EA

Accessibility & contrast

On white

2.07
#40C5D4 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.16
#40C5D4 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C5D4
10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40C5D4#FFFFFF#000000##000000
##40C5D41.002.0710.1610.16
#FFFFFF2.071.0021.0021.00
#00000010.1621.001.001.00
##00000010.1621.001.001.00

Color blindness preview

Protanopia (red-blind)
#B5BDD5
Deuteranopia (green-blind)
#A0AED4
Tritanopia (blue-blind)
#00CDC9
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #40c5d4;
/* rgb */ color: rgb(64, 197, 212);
/* oklch */ color: oklch(75.9% 0.114 206.0);
Tailwind
colors: {
  custom: {
    50: '#89d7e1',
    500: '#40c5d4',
    950: '#000000',
  },
}
SCSS
$custom: #40c5d4;
$custom-light: #89d7e1;
$custom-dark: #000000;
JSON
{
  "hex": "#40c5d4",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 212
  },
  "hsl": {
    "h": 186.081,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.7589,
    "c": 0.11356,
    "h": 206
  },
  "luminance": 0.45776
}

Semantic roles & 50–950 ramp

primary
#40C5D4
secondary
#D79F98
accent
#5242E6
background
#F9FDFD
surface
#F1FAFB
border
#CBD3D4
text
#0D1415
muted
#7E8383

Preview Lab

Preview with #40C5D4

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

Preview Lab → · Contrast checker → · Palette generator →

#40C5D4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva