#40B8B3#40B8B3

#40B8B3 is a light, moderate teal. Relative luminance 0.386; OKLCH L 71.6% C 0.105 H 191.1°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#40B8B3
RGB	rgb(64, 184, 179)
HSL	hsl(178, 48%, 49%)
HSV	hsv(178, 65%, 72%)
CMYK	cmyk(65.2%, 0%, 2.7%, 27.8%)
CIE-LAB	lab(68.48, -33.87, -7.25)
CIE-LCH	lch(68.48, 34.64, 192.08°)
OKLab	oklab(71.57% -0.103 -0.0202)
OKLCH	oklch(71.57% 0.105 191.1)
XYZ	xyz(27.3879, 38.6226, 48.6506)
Luminance	0.3863 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B8B3 #B84045

analogous

#40B877 #40B8B3 #4081B8

triadic

#40B8B3 #B340B8 #B8B340

tetradic

#40B8B3 #7740B8 #B84045 #81B840

square

#40B8B3 #7740B8 #B84045 #81B840

split-complementary

#40B8B3 #B84081 #B87740

monochromatic

#205D5B #308B87 #40B8B3 #6ACBC7 #97DBD8

Accessibility & contrast

On white

2.41

#40B8B3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#40B8B3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B8B3

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B8B3	#FFFFFF	#000000	##000000
##40B8B3	1.00	2.41	8.73	8.73
#FFFFFF	2.41	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADAFB3

Deuteranopia (green-blind)

#9BA1B4

Tritanopia (blue-blind)

#00BDB6

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #40b8b3;
/* rgb */ color: rgb(64, 184, 179);
/* oklch */ color: oklch(71.6% 0.105 191.1);

Tailwind

colors: {
  custom: {
    50: '#84cec9',
    500: '#40b8b3',
    950: '#000000',
  },
}

SCSS

$custom: #40b8b3;
$custom-light: #84cec9;
$custom-dark: #000000;

JSON

{
  "hex": "#40b8b3",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 179
  },
  "hsl": {
    "h": 177.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.71566,
    "c": 0.10497,
    "h": 191.1
  },
  "luminance": 0.38626
}

Semantic roles & 50–950 ramp

primary

#40B8B3

secondary

#C78D8F

accent

#5056D8

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B8B3

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

Preview Lab → · Contrast checker → · Palette generator →