#40B3BF#40B3BF

#40B3BF is a light, moderate teal. Relative luminance 0.371; OKLCH L 70.8% C 0.102 H 205.0°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#40B3BF
RGB	rgb(64, 179, 191)
HSL	hsl(186, 50%, 50%)
HSV	hsv(186, 66%, 75%)
CMYK	cmyk(66.5%, 6.3%, 0%, 25.1%)
CIE-LAB	lab(67.34, -28.00, -15.57)
CIE-LCH	lch(67.34, 32.04, 209.07°)
OKLab	oklab(70.77% -0.0926 -0.0432)
OKLCH	oklch(70.77% 0.102 205)
XYZ	xyz(27.6344, 37.0887, 54.9826)
Luminance	0.3709 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B3BF #BF4C40

analogous

#40BF8B #40B3BF #4074BF

triadic

#40B3BF #BF40B3 #B3BF40

tetradic

#40B3BF #8B40BF #BF4C40 #74BF40

square

#40B3BF #8B40BF #BF4C40 #74BF40

split-complementary

#40B3BF #BF4074 #BF8B40

monochromatic

#215D63 #318891 #40B3BF #6EC5CE #9CD7DE

Accessibility & contrast

On white

2.49

#40B3BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.42

#40B3BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B3BF

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B3BF	#FFFFFF	#000000	##000000
##40B3BF	1.00	2.49	8.42	8.42
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.42	21.00	1.00	1.00
##000000	8.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5ACC0

Deuteranopia (green-blind)

#929EBF

Tritanopia (blue-blind)

#00BAB6

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40b3bf;
/* rgb */ color: rgb(64, 179, 191);
/* oklch */ color: oklch(70.8% 0.102 205.0);

Tailwind

colors: {
  custom: {
    50: '#85cad2',
    500: '#40b3bf',
    950: '#000000',
  },
}

SCSS

$custom: #40b3bf;
$custom-light: #85cad2;
$custom-dark: #000000;

JSON

{
  "hex": "#40b3bf",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 191
  },
  "hsl": {
    "h": 185.669,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.70773,
    "c": 0.10222,
    "h": 205
  },
  "luminance": 0.37092
}

Semantic roles & 50–950 ramp

primary

#40B3BF

secondary

#CA9691

accent

#5C4ED9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #40B3BF

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

Preview Lab → · Contrast checker → · Palette generator →