#40A3AA#40A3AA

#40A3AA is a light, moderate teal. Relative luminance 0.302; OKLCH L 66.1% C 0.091 H 201.7°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX#40A3AA
RGBrgb(64, 163, 170)
HSLhsl(184, 45%, 46%)
HSVhsv(184, 62%, 67%)
CMYKcmyk(62.4%, 4.1%, 0%, 33.3%)
CIE-LABlab(61.81, -26.26, -12.19)
CIE-LCHlch(61.81, 28.95, 204.90°)
OKLaboklab(66.08% -0.0848 -0.0338)
OKLCHoklch(66.08% 0.091 201.7)
XYZxyz(22.4641, 30.1843, 42.6647)
Luminance0.3019 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#40A3AA #AA4740
analogous
#40AA7C #40A3AA #406EAA
triadic
#40A3AA #AA40A3 #A3AA40
tetradic
#40A3AA #7C40AA #AA4740 #6EAA40
square
#40A3AA #7C40AA #AA4740 #6EAA40
split-complementary
#40A3AA #AA406E #AA7C40
monochromatic
#1F4E51 #2F787E #40A3AA #63BEC4 #8FD0D5

Accessibility & contrast

On white

2.98
#40A3AA on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

7.04
#40A3AA on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A3AA
7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##40A3AA#FFFFFF#000000##000000
##40A3AA1.002.987.047.04
#FFFFFF2.981.0021.0021.00
#0000007.0421.001.001.00
##0000007.0421.001.001.00

Color blindness preview

Protanopia (red-blind)
#979CAB
Deuteranopia (green-blind)
#8790AA
Tritanopia (blue-blind)
#00A9A5
Achromatopsia (no color)
#959595

Design tokens & code

CSS
--color: #40a3aa;
/* rgb */ color: rgb(64, 163, 170);
/* oklch */ color: oklch(66.1% 0.091 201.7);
Tailwind
colors: {
  custom: {
    50: '#81bec3',
    500: '#40a3aa',
    950: '#000000',
  },
}
SCSS
$custom: #40a3aa;
$custom-light: #81bec3;
$custom-dark: #000000;
JSON
{
  "hex": "#40a3aa",
  "rgb": {
    "r": 64,
    "g": 163,
    "b": 170
  },
  "hsl": {
    "h": 183.962,
    "s": 45.299,
    "l": 45.882
  },
  "oklch": {
    "l": 0.66081,
    "c": 0.09123,
    "h": 201.7
  },
  "luminance": 0.30187
}

Semantic roles & 50–950 ramp

primary
#40A3AA
secondary
#C08A86
accent
#5B53D5
background
#F8FBFB
surface
#F0F7F7
border
#CBD0D0
text
#0B1212
muted
#7C8181

Preview Lab

Preview with #40A3AA

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

Preview Lab → · Contrast checker → · Palette generator →

#40A3AA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva