#40C5BF#40C5BF

#40C5BF is a light, moderate teal. Relative luminance 0.448; OKLCH L 75.1% C 0.113 H 190.7°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX#40C5BF
RGBrgb(64, 197, 191)
HSLhsl(177, 53%, 51%)
HSVhsv(177, 68%, 77%)
CMYKcmyk(67.5%, 0%, 3%, 22.7%)
CIE-LABlab(72.75, -36.59, -7.48)
CIE-LCHlch(72.75, 37.35, 191.55°)
OKLaboklab(75.15% -0.111 -0.0209)
OKLCHoklch(75.15% 0.113 190.7)
XYZxyz(31.4803, 44.7805, 56.2645)
Luminance0.4478 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40C5BF #C54046
analogous
#40C57C #40C5BF #4088C5
triadic
#40C5BF #BF40C5 #C5BF40
tetradic
#40C5BF #7C40C5 #C54046 #88C540
square
#40C5BF #7C40C5 #C54046 #88C540
split-complementary
#40C5BF #C54088 #C57C40
monochromatic
#206A67 #2F9994 #40C5BF #6FD3CF #9EE2DE

Accessibility & contrast

On white

2.11
#40C5BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

9.96
#40C5BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C5BF
9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40C5BF#FFFFFF#000000##000000
##40C5BF1.002.119.969.96
#FFFFFF2.111.0021.0021.00
#0000009.9621.001.001.00
##0000009.9621.001.001.00

Color blindness preview

Protanopia (red-blind)
#BABBBF
Deuteranopia (green-blind)
#A6ACC0
Tritanopia (blue-blind)
#00CAC3
Achromatopsia (no color)
#B2B2B2

Design tokens & code

CSS
--color: #40c5bf;
/* rgb */ color: rgb(64, 197, 191);
/* oklch */ color: oklch(75.1% 0.113 190.7);
Tailwind
colors: {
  custom: {
    50: '#87d7d2',
    500: '#40c5bf',
    950: '#000000',
  },
}
SCSS
$custom: #40c5bf;
$custom-light: #87d7d2;
$custom-dark: #000000;
JSON
{
  "hex": "#40c5bf",
  "rgb": {
    "r": 64,
    "g": 197,
    "b": 191
  },
  "hsl": {
    "h": 177.293,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.75148,
    "c": 0.11296,
    "h": 190.7
  },
  "luminance": 0.44784
}

Semantic roles & 50–950 ramp

primary
#40C5BF
secondary
#CE9396
accent
#4B52DD
background
#F9FDFC
surface
#F1FAF9
border
#CBD3D2
text
#0D1414
muted
#7E8382

Preview Lab

Preview with #40C5BF

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

Preview Lab → · Contrast checker → · Palette generator →

#40C5BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva