#40B8BB#40B8BB

#40B8BB is a light, moderate teal. Relative luminance 0.390; OKLCH L 71.8% C 0.104 H 197.5°. Best body text is #000000 at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#40B8BB
RGB	rgb(64, 184, 187)
HSL	hsl(181, 49%, 49%)
HSV	hsv(181, 66%, 73%)
CMYK	cmyk(65.8%, 1.6%, 0%, 26.7%)
CIE-LAB	lab(68.72, -31.61, -11.29)
CIE-LCH	lch(68.72, 33.56, 199.67°)
OKLab	oklab(71.84% -0.0995 -0.0313)
OKLCH	oklch(71.84% 0.104 197.5)
XYZ	xyz(28.2205, 38.9557, 53.0360)
Luminance	0.3896 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B8BB #BB4340

analogous

#40BB80 #40B8BB #407BBB

triadic

#40B8BB #BB40B8 #B8BB40

tetradic

#40B8BB #8040BB #BB4340 #7BBB40

square

#40B8BB #8040BB #BB4340 #7BBB40

split-complementary

#40B8BB #BB407B #BB8040

monochromatic

#215E60 #308B8D #40B8BB #6CCACD #99DBDC

Accessibility & contrast

On white

2.39

#40B8BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.79

#40B8BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B8BB

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B8BB	#FFFFFF	#000000	##000000
##40B8BB	1.00	2.39	8.79	8.79
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.79	21.00	1.00	1.00
##000000	8.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB0BB

Deuteranopia (green-blind)

#99A2BC

Tritanopia (blue-blind)

#00BEB9

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #40b8bb;
/* rgb */ color: rgb(64, 184, 187);
/* oklch */ color: oklch(71.8% 0.104 197.5);

Tailwind

colors: {
  custom: {
    50: '#85cdcf',
    500: '#40b8bb',
    950: '#000000',
  },
}

SCSS

$custom: #40b8bb;
$custom-light: #85cdcf;
$custom-dark: #000000;

JSON

{
  "hex": "#40b8bb",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 187
  },
  "hsl": {
    "h": 181.463,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.71843,
    "c": 0.10432,
    "h": 197.5
  },
  "luminance": 0.38959
}

Semantic roles & 50–950 ramp

primary

#40B8BB

secondary

#C8908F

accent

#534FD9

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B8BB

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

Preview Lab → · Contrast checker → · Palette generator →