#40C4DB#40C4DB

#40C4DB is a light, moderate teal. Relative luminance 0.457; OKLCH L 75.9% C 0.115 H 211.7°. Best body text is #000000 at 10.14:1 contrast (WCAG AA passes).

Color values

HEX#40C4DB
RGBrgb(64, 196, 219)
HSLhsl(189, 68%, 55%)
HSVhsv(189, 71%, 86%)
CMYKcmyk(70.8%, 10.5%, 0%, 14.1%)
CIE-LABlab(73.34, -27.94, -21.81)
CIE-LCHlch(73.34, 35.45, 217.97°)
OKLaboklab(75.92% -0.0982 -0.0607)
OKLCHoklch(75.92% 0.115 211.7)
XYZxyz(34.6350, 45.6803, 73.9959)
Luminance0.4568 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40C4DB #DB5740
analogous
#40DBA4 #40C4DB #4076DB
triadic
#40C4DB #DB40C4 #C4DB40
tetradic
#40C4DB #A440DB #DB5740 #76DB40
square
#40C4DB #A440DB #DB5740 #76DB40
split-complementary
#40C4DB #DB4076 #DBA440
monochromatic
#197787 #23A4BB #40C4DB #73D4E5 #A7E4EE

Accessibility & contrast

On white

2.07
#40C4DB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

10.14
#40C4DB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C4DB
10.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40C4DB#FFFFFF#000000##000000
##40C4DB1.002.0710.1410.14
#FFFFFF2.071.0021.0021.00
#00000010.1421.001.001.00
##00000010.1421.001.001.00

Color blindness preview

Protanopia (red-blind)
#B2BDDC
Deuteranopia (green-blind)
#9CADDB
Tritanopia (blue-blind)
#00CECB
Achromatopsia (no color)
#B4B4B4

Design tokens & code

CSS
--color: #40c4db;
/* rgb */ color: rgb(64, 196, 219);
/* oklch */ color: oklch(75.9% 0.115 211.7);
Tailwind
colors: {
  custom: {
    50: '#8ad6e6',
    500: '#40c4db',
    950: '#000000',
  },
}
SCSS
$custom: #40c4db;
$custom-light: #8ad6e6;
$custom-dark: #000000;
JSON
{
  "hex": "#40c4db",
  "rgb": {
    "r": 64,
    "g": 196,
    "b": 219
  },
  "hsl": {
    "h": 188.903,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.7592,
    "c": 0.11548,
    "h": 211.7
  },
  "luminance": 0.45684
}

Semantic roles & 50–950 ramp

primary
#40C4DB
secondary
#DCA59B
accent
#573DEB
background
#F9FDFE
surface
#F1FAFC
border
#CBD3D5
text
#0D1415
muted
#7E8384

Preview Lab

Preview with #40C4DB

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

Preview Lab → · Contrast checker → · Palette generator →

#40C4DB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva