#40A3A4#40A3A4

#40A3A4 is a light, moderate teal. Relative luminance 0.300; OKLCH L 65.9% C 0.091 H 196.1°. Best body text is #000000 at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#40A3A4
RGB	rgb(64, 163, 164)
HSL	hsl(181, 44%, 45%)
HSV	hsv(181, 61%, 64%)
CMYK	cmyk(61%, 0.6%, 0%, 35.7%)
CIE-LAB	lab(61.62, -28.00, -9.10)
CIE-LCH	lch(61.62, 29.45, 198.01°)
OKLab	oklab(65.86% -0.0874 -0.0252)
OKLCH	oklch(65.86% 0.091 196.1)
XYZ	xyz(21.9095, 29.9624, 39.7434)
Luminance	0.2997 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A3A4 #A44140

analogous

#40A473 #40A3A4 #4071A4

triadic

#40A3A4 #A440A3 #A3A440

tetradic

#40A3A4 #7340A4 #A44140 #71A440

square

#40A3A4 #7340A4 #A44140 #71A440

split-complementary

#40A3A4 #A44071 #A47340

monochromatic

#1E4B4C #2F7778 #40A3A4 #60C0C1 #8CD2D2

Accessibility & contrast

On white

3.00

#40A3A4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.99

#40A3A4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A3A4

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A3A4	#FFFFFF	#000000	##000000
##40A3A4	1.00	3.00	6.99	6.99
#FFFFFF	3.00	1.00	21.00	21.00
#000000	6.99	21.00	1.00	1.00
##000000	6.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#999CA4

Deuteranopia (green-blind)

#8990A5

Tritanopia (blue-blind)

#00A8A3

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #40a3a4;
/* rgb */ color: rgb(64, 163, 164);
/* oklch */ color: oklch(65.9% 0.091 196.1);

Tailwind

colors: {
  custom: {
    50: '#81bebe',
    500: '#40a3a4',
    950: '#000000',
  },
}

SCSS

$custom: #40a3a4;
$custom-light: #81bebe;
$custom-dark: #000000;

JSON

{
  "hex": "#40a3a4",
  "rgb": {
    "r": 64,
    "g": 163,
    "b": 164
  },
  "hsl": {
    "h": 180.6,
    "s": 43.86,
    "l": 44.706
  },
  "oklch": {
    "l": 0.65863,
    "c": 0.09094,
    "h": 196.1
  },
  "luminance": 0.29965
}

Semantic roles & 50–950 ramp

primary

#40A3A4

secondary

#BD8383

accent

#5554D4

background

#F8FBFB

surface

#EFF7F6

border

#CAD0D0

text

#0B1212

muted

#7C8181

Preview Lab

Preview with #40A3A4

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

Preview Lab → · Contrast checker → · Palette generator →