#40B8A3#40B8A3

#40B8A3 is a light, moderate teal. Relative luminance 0.380; OKLCH L 71.1% C 0.110 H 179.1°. Best body text is #000000 at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#40B8A3
RGB	rgb(64, 184, 163)
HSL	hsl(170, 48%, 49%)
HSV	hsv(170, 65%, 72%)
CMYK	cmyk(65.2%, 0%, 11.4%, 27.8%)
CIE-LAB	lab(68.03, -38.20, 0.91)
CIE-LCH	lch(68.03, 38.21, 178.64°)
OKLab	oklab(71.05% -0.1102 0.0018)
OKLCH	oklch(71.05% 0.11 179.1)
XYZ	xyz(25.8626, 38.0125, 40.6174)
Luminance	0.3801 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B8A3 #B84055

analogous

#40B867 #40B8A3 #4091B8

triadic

#40B8A3 #A340B8 #B8A340

tetradic

#40B8A3 #6740B8 #B84055 #91B840

square

#40B8A3 #6740B8 #B84055 #91B840

split-complementary

#40B8A3 #B84091 #B86740

monochromatic

#205D53 #308B7B #40B8A3 #6ACBBA #97DBCF

Accessibility & contrast

On white

2.44

#40B8A3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.60

#40B8A3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B8A3

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B8A3	#FFFFFF	#000000	##000000
##40B8A3	1.00	2.44	8.60	8.60
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.60	21.00	1.00	1.00
##000000	8.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1ADA2

Deuteranopia (green-blind)

#9FA1A5

Tritanopia (blue-blind)

#00BBB2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #40b8a3;
/* rgb */ color: rgb(64, 184, 163);
/* oklch */ color: oklch(71.1% 0.110 179.1);

Tailwind

colors: {
  custom: {
    50: '#83cebe',
    500: '#40b8a3',
    950: '#000000',
  },
}

SCSS

$custom: #40b8a3;
$custom-light: #83cebe;
$custom-dark: #000000;

JSON

{
  "hex": "#40b8a3",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 163
  },
  "hsl": {
    "h": 169.5,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.71054,
    "c": 0.11026,
    "h": 179.1
  },
  "luminance": 0.38015
}

Semantic roles & 50–950 ramp

primary

#40B8A3

secondary

#C78D97

accent

#5068D8

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #40B8A3

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

Preview Lab → · Contrast checker → · Palette generator →