#40C4BF#40C4BF

#40C4BF is a light, moderate teal. Relative luminance 0.443; OKLCH L 74.9% C 0.112 H 191.4°. Best body text is #000000 at 9.87:1 contrast (WCAG AA passes).

Color values

HEX#40C4BF
RGBrgb(64, 196, 191)
HSLhsl(178, 53%, 51%)
HSVhsv(178, 67%, 77%)
CMYKcmyk(67.3%, 0%, 2.6%, 23.1%)
CIE-LABlab(72.45, -36.13, -7.93)
CIE-LCHlch(72.45, 36.99, 192.37°)
OKLaboklab(74.91% -0.11 -0.0221)
OKLCHoklch(74.91% 0.112 191.4)
XYZxyz(31.2540, 44.3279, 56.1891)
Luminance0.4433 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40C4BF #C44045
analogous
#40C47D #40C4BF #4087C4
triadic
#40C4BF #BF40C4 #C4BF40
tetradic
#40C4BF #7D40C4 #C44045 #87C440
square
#40C4BF #7D40C4 #C44045 #87C440
split-complementary
#40C4BF #C44087 #C47D40
monochromatic
#206966 #2F9894 #40C4BF #6FD2CF #9EE1DE

Accessibility & contrast

On white

2.13
#40C4BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.87
#40C4BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C4BF
9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40C4BF#FFFFFF#000000##000000
##40C4BF1.002.139.879.87
#FFFFFF2.131.0021.0021.00
#0000009.8721.001.001.00
##0000009.8721.001.001.00

Color blindness preview

Protanopia (red-blind)
#B8BABF
Deuteranopia (green-blind)
#A5ACC0
Tritanopia (blue-blind)
#00C9C2
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #40c4bf;
/* rgb */ color: rgb(64, 196, 191);
/* oklch */ color: oklch(74.9% 0.112 191.4);
Tailwind
colors: {
  custom: {
    50: '#87d6d2',
    500: '#40c4bf',
    950: '#000000',
  },
}
SCSS
$custom: #40c4bf;
$custom-light: #87d6d2;
$custom-dark: #000000;
JSON
{
  "hex": "#40c4bf",
  "rgb": {
    "r": 64,
    "g": 196,
    "b": 191
  },
  "hsl": {
    "h": 177.727,
    "s": 52.8,
    "l": 50.98
  },
  "oklch": {
    "l": 0.74905,
    "c": 0.1122,
    "h": 191.4
  },
  "luminance": 0.44331
}

Semantic roles & 50–950 ramp

primary
#40C4BF
secondary
#CD9395
accent
#4C51DC
background
#F9FDFC
surface
#F1FAF9
border
#CBD3D2
text
#0D1414
muted
#7E8382

Preview Lab

Preview with #40C4BF

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

Preview Lab → · Contrast checker → · Palette generator →

#40C4BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva