#40B8BE#40B8BE

#40B8BE is a light, moderate teal. Relative luminance 0.391; OKLCH L 72.0% C 0.104 H 199.9°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#40B8BE
RGB	rgb(64, 184, 190)
HSL	hsl(183, 50%, 50%)
HSV	hsv(183, 66%, 75%)
CMYK	cmyk(66.3%, 3.2%, 0%, 25.5%)
CIE-LAB	lab(68.81, -30.74, -12.81)
CIE-LCH	lch(68.81, 33.30, 202.62°)
OKLab	oklab(71.95% -0.0982 -0.0355)
OKLCH	oklch(71.95% 0.104 199.9)
XYZ	xyz(28.5450, 39.0855, 54.7451)
Luminance	0.3909 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B8BE #BE4640

analogous

#40BE85 #40B8BE #4079BE

triadic

#40B8BE #BE40B8 #B8BE40

tetradic

#40B8BE #8540BE #BE4640 #79BE40

square

#40B8BE #8540BE #BE4640 #79BE40

split-complementary

#40B8BE #BE4079 #BE8540

monochromatic

#215F62 #318C90 #40B8BE #6DC9CE #9BDADD

Accessibility & contrast

On white

2.38

#40B8BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#40B8BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B8BE

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B8BE	#FFFFFF	#000000	##000000
##40B8BE	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB0BF

Deuteranopia (green-blind)

#98A2BF

Tritanopia (blue-blind)

#00BFBA

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #40b8be;
/* rgb */ color: rgb(64, 184, 190);
/* oklch */ color: oklch(72.0% 0.104 199.9);

Tailwind

colors: {
  custom: {
    50: '#85cdd1',
    500: '#40b8be',
    950: '#000000',
  },
}

SCSS

$custom: #40b8be;
$custom-light: #85cdd1;
$custom-dark: #000000;

JSON

{
  "hex": "#40b8be",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 190
  },
  "hsl": {
    "h": 182.857,
    "s": 49.606,
    "l": 49.804
  },
  "oklch": {
    "l": 0.7195,
    "c": 0.10443,
    "h": 199.9
  },
  "luminance": 0.39089
}

Semantic roles & 50–950 ramp

primary

#40B8BE

secondary

#C99390

accent

#554FD9

background

#F8FCFC

surface

#F0F9F9

border

#CBD2D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #40B8BE

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

Preview Lab → · Contrast checker → · Palette generator →