#40B3BC#40B3BC

#40B3BC is a light, moderate teal. Relative luminance 0.370; OKLCH L 70.7% C 0.102 H 202.5°. Best body text is #000000 at 8.39:1 contrast (WCAG AA passes).

Color values

HEX#40B3BC
RGBrgb(64, 179, 188)
HSLhsl(184, 49%, 49%)
HSVhsv(184, 66%, 74%)
CMYKcmyk(66%, 4.8%, 0%, 26.3%)
CIE-LABlab(67.25, -28.89, -14.06)
CIE-LCHlch(67.25, 32.13, 205.95°)
OKLaboklab(70.66% -0.0939 -0.039)
OKLCHoklch(70.66% 0.102 202.5)
XYZxyz(27.3076, 36.9580, 53.2616)
Luminance0.3696 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B3BC #BC4940
analogous
#40BC87 #40B3BC #4075BC
triadic
#40B3BC #BC40B3 #B3BC40
tetradic
#40B3BC #8740BC #BC4940 #75BC40
square
#40B3BC #8740BC #BC4940 #75BC40
split-complementary
#40B3BC #BC4075 #BC8740
monochromatic
#215C61 #30888E #40B3BC #6CC6CD #9AD8DD

Accessibility & contrast

On white

2.50
#40B3BC on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.39
#40B3BC on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B3BC
8.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B3BC#FFFFFF#000000##000000
##40B3BC1.002.508.398.39
#FFFFFF2.501.0021.0021.00
#0000008.3921.001.001.00
##0000008.3921.001.001.00

Color blindness preview

Protanopia (red-blind)
#A6ACBD
Deuteranopia (green-blind)
#939EBD
Tritanopia (blue-blind)
#00BAB5
Achromatopsia (no color)
#A4A4A4

Design tokens & code

CSS
--color: #40b3bc;
/* rgb */ color: rgb(64, 179, 188);
/* oklch */ color: oklch(70.7% 0.102 202.5);
Tailwind
colors: {
  custom: {
    50: '#85cad0',
    500: '#40b3bc',
    950: '#000000',
  },
}
SCSS
$custom: #40b3bc;
$custom-light: #85cad0;
$custom-dark: #000000;
JSON
{
  "hex": "#40b3bc",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 188
  },
  "hsl": {
    "h": 184.355,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.70661,
    "c": 0.10169,
    "h": 202.5
  },
  "luminance": 0.36961
}

Semantic roles & 50–950 ramp

primary
#40B3BC
secondary
#C9938F
accent
#594FD9
background
#F8FCFC
surface
#F0F8F9
border
#CBD1D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #40B3BC

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

Preview Lab → · Contrast checker → · Palette generator →

#40B3BC Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva