#40B8A4#40B8A4

#40B8A4 is a light, moderate teal. Relative luminance 0.381; OKLCH L 71.1% C 0.110 H 179.8°. Best body text is #000000 at 8.61:1 contrast (WCAG AA passes).

Color values

HEX	#40B8A4
RGB	rgb(64, 184, 164)
HSL	hsl(170, 48%, 49%)
HSV	hsv(170, 65%, 72%)
CMYK	cmyk(65.2%, 0%, 10.9%, 27.8%)
CIE-LAB	lab(68.06, -37.93, 0.39)
CIE-LCH	lch(68.06, 37.94, 179.40°)
OKLab	oklab(71.08% -0.1098 0.0004)
OKLCH	oklch(71.08% 0.11 179.8)
XYZ	xyz(25.9525, 38.0485, 41.0911)
Luminance	0.3805 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B8A4 #B84054

analogous

#40B868 #40B8A4 #4090B8

triadic

#40B8A4 #A440B8 #B8A440

tetradic

#40B8A4 #6840B8 #B84054 #90B840

square

#40B8A4 #6840B8 #B84054 #90B840

split-complementary

#40B8A4 #B84090 #B86840

monochromatic

#205D53 #308B7C #40B8A4 #6ACBBB #97DBD0

Accessibility & contrast

On white

2.44

#40B8A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.61

#40B8A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B8A4

8.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B8A4	#FFFFFF	#000000	##000000
##40B8A4	1.00	2.44	8.61	8.61
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.61	21.00	1.00	1.00
##000000	8.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0ADA3

Deuteranopia (green-blind)

#9FA1A6

Tritanopia (blue-blind)

#00BBB2

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #40b8a4;
/* rgb */ color: rgb(64, 184, 164);
/* oklch */ color: oklch(71.1% 0.110 179.8);

Tailwind

colors: {
  custom: {
    50: '#83cebe',
    500: '#40b8a4',
    950: '#000000',
  },
}

SCSS

$custom: #40b8a4;
$custom-light: #83cebe;
$custom-dark: #000000;

JSON

{
  "hex": "#40b8a4",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 164
  },
  "hsl": {
    "h": 170,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.71085,
    "c": 0.10979,
    "h": 179.8
  },
  "luminance": 0.38051
}

Semantic roles & 50–950 ramp

primary

#40B8A4

secondary

#C78D97

accent

#5067D8

background

#F8FCFB

surface

#F0F9F6

border

#CBD2D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #40B8A4

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

Preview Lab → · Contrast checker → · Palette generator →