#40B0B2#40B0B2

#40B0B2 is a light, moderate teal. Relative luminance 0.354; OKLCH L 69.6% C 0.099 H 196.8°. Best body text is #000000 at 8.07:1 contrast (WCAG AA passes).

Color values

HEX#40B0B2
RGBrgb(64, 176, 178)
HSLhsl(181, 47%, 47%)
HSVhsv(181, 64%, 70%)
CMYKcmyk(64%, 1.1%, 0%, 30.2%)
CIE-LABlab(66.02, -30.34, -10.35)
CIE-LCHlch(66.02, 32.06, 198.84°)
OKLaboklab(69.57% -0.0951 -0.0287)
OKLCHoklch(69.57% 0.099 196.8)
XYZxyz(25.6720, 35.3522, 47.5815)
Luminance0.3535 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40B0B2 #B24240
analogous
#40B27B #40B0B2 #4077B2
triadic
#40B0B2 #B240B0 #B0B240
tetradic
#40B0B2 #7B40B2 #B24240 #77B240
square
#40B0B2 #7B40B2 #B24240 #77B240
split-complementary
#40B0B2 #B24077 #B27B40
monochromatic
#205758 #308385 #40B0B2 #67C7C8 #94D7D8

Accessibility & contrast

On white

2.60
#40B0B2 on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

8.07
#40B0B2 on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B0B2
8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40B0B2#FFFFFF#000000##000000
##40B0B21.002.608.078.07
#FFFFFF2.601.0021.0021.00
#0000008.0721.001.001.00
##0000008.0721.001.001.00

Color blindness preview

Protanopia (red-blind)
#A4A8B2
Deuteranopia (green-blind)
#939BB3
Tritanopia (blue-blind)
#00B6B0
Achromatopsia (no color)
#A0A0A0

Design tokens & code

CSS
--color: #40b0b2;
/* rgb */ color: rgb(64, 176, 178);
/* oklch */ color: oklch(69.6% 0.099 196.8);
Tailwind
colors: {
  custom: {
    50: '#83c8c9',
    500: '#40b0b2',
    950: '#000000',
  },
}
SCSS
$custom: #40b0b2;
$custom-light: #83c8c9;
$custom-dark: #000000;
JSON
{
  "hex": "#40b0b2",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 178
  },
  "hsl": {
    "h": 181.053,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.69567,
    "c": 0.09934,
    "h": 196.8
  },
  "luminance": 0.35355
}

Semantic roles & 50–950 ramp

primary
#40B0B2
secondary
#C48B8A
accent
#5351D7
background
#F8FCFC
surface
#F0F8F8
border
#CBD1D1
text
#0C1313
muted
#7D8282

Preview Lab

Preview with #40B0B2

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

Preview Lab → · Contrast checker → · Palette generator →

#40B0B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva