#40B5B3#40B5B3

#40B5B3 is a light, moderate teal. Relative luminance 0.374; OKLCH L 70.8% C 0.103 H 193.5°. Best body text is #000000 at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#40B5B3
RGB	rgb(64, 181, 179)
HSL	hsl(179, 48%, 48%)
HSV	hsv(179, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 1.1%, 29%)
CIE-LAB	lab(67.57, -32.45, -8.60)
CIE-LCH	lch(67.57, 33.57, 194.84°)
OKLab	oklab(70.83% -0.0999 -0.0239)
OKLCH	oklch(70.83% 0.103 193.5)
XYZ	xyz(26.7713, 37.3894, 48.4451)
Luminance	0.3739 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B5B3 #B54042

analogous

#40B578 #40B5B3 #407DB5

triadic

#40B5B3 #B340B5 #B5B340

tetradic

#40B5B3 #7840B5 #B54042 #7DB540

square

#40B5B3 #7840B5 #B54042 #7DB540

split-complementary

#40B5B3 #B5407D #B57840

monochromatic

#205B5A #308886 #40B5B3 #68CAC8 #96DAD9

Accessibility & contrast

On white

2.48

#40B5B3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.48

#40B5B3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B5B3

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B5B3	#FFFFFF	#000000	##000000
##40B5B3	1.00	2.48	8.48	8.48
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.48	21.00	1.00	1.00
##000000	8.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAACB3

Deuteranopia (green-blind)

#989FB4

Tritanopia (blue-blind)

#00BAB4

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40b5b3;
/* rgb */ color: rgb(64, 181, 179);
/* oklch */ color: oklch(70.8% 0.103 193.5);

Tailwind

colors: {
  custom: {
    50: '#84cbc9',
    500: '#40b5b3',
    950: '#000000',
  },
}

SCSS

$custom: #40b5b3;
$custom-light: #84cbc9;
$custom-dark: #000000;

JSON

{
  "hex": "#40b5b3",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 179
  },
  "hsl": {
    "h": 178.974,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.70829,
    "c": 0.10271,
    "h": 193.5
  },
  "luminance": 0.37392
}

Semantic roles & 50–950 ramp

primary

#40B5B3

secondary

#C58B8C

accent

#5053D7

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B5B3

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

Preview Lab → · Contrast checker → · Palette generator →