#40B9BF#40B9BF

#40B9BF is a light, moderate teal. Relative luminance 0.396; OKLCH L 72.2% C 0.105 H 199.8°. Best body text is #000000 at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#40B9BF
RGB	rgb(64, 185, 191)
HSL	hsl(183, 50%, 50%)
HSV	hsv(183, 66%, 75%)
CMYK	cmyk(66.5%, 3.1%, 0%, 25.1%)
CIE-LAB	lab(69.15, -30.93, -12.86)
CIE-LCH	lch(69.15, 33.49, 202.57°)
OKLab	oklab(72.23% -0.0988 -0.0356)
OKLCH	oklch(72.23% 0.105 199.8)
XYZ	xyz(28.8632, 39.5463, 55.3921)
Luminance	0.3955 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B9BF #BF4640

analogous

#40BF86 #40B9BF #4079BF

triadic

#40B9BF #BF40B9 #B9BF40

tetradic

#40B9BF #8640BF #BF4640 #79BF40

square

#40B9BF #8640BF #BF4640 #79BF40

split-complementary

#40B9BF #BF4079 #BF8640

monochromatic

#216063 #318D91 #40B9BF #6ECACE #9CDBDE

Accessibility & contrast

On white

2.36

#40B9BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.91

#40B9BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B9BF

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B9BF	#FFFFFF	#000000	##000000
##40B9BF	1.00	2.36	8.91	8.91
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.91	21.00	1.00	1.00
##000000	8.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB1C0

Deuteranopia (green-blind)

#99A3C0

Tritanopia (blue-blind)

#00C0BB

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #40b9bf;
/* rgb */ color: rgb(64, 185, 191);
/* oklch */ color: oklch(72.2% 0.105 199.8);

Tailwind

colors: {
  custom: {
    50: '#86ced2',
    500: '#40b9bf',
    950: '#000000',
  },
}

SCSS

$custom: #40b9bf;
$custom-light: #86ced2;
$custom-dark: #000000;

JSON

{
  "hex": "#40b9bf",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 191
  },
  "hsl": {
    "h": 182.835,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.72229,
    "c": 0.10504,
    "h": 199.8
  },
  "luminance": 0.3955
}

Semantic roles & 50–950 ramp

primary

#40B9BF

secondary

#CA9491

accent

#554ED9

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #40B9BF

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

Preview Lab → · Contrast checker → · Palette generator →