#40B6BF#40B6BF

#40B6BF is a light, moderate teal. Relative luminance 0.383; OKLCH L 71.5% C 0.104 H 202.4°. Best body text is #000000 at 8.66:1 contrast (WCAG AA passes).

Color values

HEX#40B6BF
RGBrgb(64, 182, 191)
HSLhsl(184, 50%, 50%)
HSVhsv(184, 66%, 75%)
CMYKcmyk(66.5%, 4.7%, 0%, 25.1%)
CIE-LABlab(68.24, -29.47, -14.21)
CIE-LCHlch(68.24, 32.72, 205.74°)
OKLaboklab(71.5% -0.0957 -0.0394)
OKLCHoklch(71.5% 0.104 202.4)
XYZxyz(28.2422, 38.3043, 55.1852)
Luminance0.3831 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B6BF #BF4940
analogous
#40BF89 #40B6BF #4076BF
triadic
#40B6BF #BF40B6 #B6BF40
tetradic
#40B6BF #8940BF #BF4940 #76BF40
square
#40B6BF #8940BF #BF4940 #76BF40
split-complementary
#40B6BF #BF4076 #BF8940
monochromatic
#215F63 #318A91 #40B6BF #6EC8CE #9CD9DE

Accessibility & contrast

On white

2.42
#40B6BF on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.66
#40B6BF on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B6BF
8.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B6BF#FFFFFF#000000##000000
##40B6BF1.002.428.668.66
#FFFFFF2.421.0021.0021.00
#0000008.6621.001.001.00
##0000008.6621.001.001.00

Color blindness preview

Protanopia (red-blind)
#A8AEC0
Deuteranopia (green-blind)
#95A0C0
Tritanopia (blue-blind)
#00BDB8
Achromatopsia (no color)
#A6A6A6

Design tokens & code

CSS
--color: #40b6bf;
/* rgb */ color: rgb(64, 182, 191);
/* oklch */ color: oklch(71.5% 0.104 202.4);
Tailwind
colors: {
  custom: {
    50: '#85ccd2',
    500: '#40b6bf',
    950: '#000000',
  },
}
SCSS
$custom: #40b6bf;
$custom-light: #85ccd2;
$custom-dark: #000000;
JSON
{
  "hex": "#40b6bf",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 191
  },
  "hsl": {
    "h": 184.252,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.71501,
    "c": 0.10353,
    "h": 202.4
  },
  "luminance": 0.38307
}

Semantic roles & 50–950 ramp

primary
#40B6BF
secondary
#CA9591
accent
#584ED9
background
#F8FCFC
surface
#F0F9F9
border
#CBD2D2
text
#0C1314
muted
#7D8282

Preview Lab

Preview with #40B6BF

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

Preview Lab → · Contrast checker → · Palette generator →

#40B6BF Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva