#40B5AB#40B5AB

#40B5AB is a light, moderate teal. Relative luminance 0.371; OKLCH L 70.6% C 0.104 H 187.1°. Best body text is #000000 at 8.42:1 contrast (WCAG AA passes).

Color values

HEX	#40B5AB
RGB	rgb(64, 181, 171)
HSL	hsl(175, 48%, 48%)
HSV	hsv(175, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 5.5%, 29%)
CIE-LAB	lab(67.33, -34.68, -4.53)
CIE-LCH	lch(67.33, 34.98, 187.44°)
OKLab	oklab(70.56% -0.1034 -0.0128)
OKLCH	oklch(70.56% 0.104 187.1)
XYZ	xyz(25.9856, 37.0752, 44.3069)
Luminance	0.3708 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B5AB #B5404A

analogous

#40B570 #40B5AB #4084B5

triadic

#40B5AB #AB40B5 #B5AB40

tetradic

#40B5AB #7040B5 #B5404A #84B540

square

#40B5AB #7040B5 #B5404A #84B540

split-complementary

#40B5AB #B54084 #B57040

monochromatic

#205B56 #308880 #40B5AB #68CAC1 #96DAD4

Accessibility & contrast

On white

2.50

#40B5AB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.42

#40B5AB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B5AB

8.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B5AB	#FFFFFF	#000000	##000000
##40B5AB	1.00	2.50	8.42	8.42
#FFFFFF	2.50	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)

#ACABAB

Deuteranopia (green-blind)

#9A9FAC

Tritanopia (blue-blind)

#00B9B2

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40b5ab;
/* rgb */ color: rgb(64, 181, 171);
/* oklch */ color: oklch(70.6% 0.104 187.1);

Tailwind

colors: {
  custom: {
    50: '#83cbc3',
    500: '#40b5ab',
    950: '#000000',
  },
}

SCSS

$custom: #40b5ab;
$custom-light: #83cbc3;
$custom-dark: #000000;

JSON

{
  "hex": "#40b5ab",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 171
  },
  "hsl": {
    "h": 174.872,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.70561,
    "c": 0.10424,
    "h": 187.1
  },
  "luminance": 0.37078
}

Semantic roles & 50–950 ramp

primary

#40B5AB

secondary

#C58B90

accent

#505CD7

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #40B5AB

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

Preview Lab → · Contrast checker → · Palette generator →