#40B09D#40B09D

#40B09D is a light, moderate teal. Relative luminance 0.346; OKLCH L 68.9% C 0.105 H 179.7°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#40B09D
RGB	rgb(64, 176, 157)
HSL	hsl(170, 47%, 47%)
HSV	hsv(170, 64%, 69%)
CMYK	cmyk(63.6%, 0%, 10.8%, 31%)
CIE-LAB	lab(65.41, -36.12, 0.41)
CIE-LCH	lch(65.41, 36.12, 179.35°)
OKLab	oklab(68.87% -0.1046 0.0005)
OKLCH	oklch(68.87% 0.105 179.7)
XYZ	xyz(23.7226, 34.5724, 37.3147)
Luminance	0.3458 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B09D #B04053

analogous

#40B065 #40B09D #408BB0

triadic

#40B09D #9D40B0 #B09D40

tetradic

#40B09D #6540B0 #B04053 #8BB040

square

#40B09D #6540B0 #B04053 #8BB040

split-complementary

#40B09D #B0408B #B06540

monochromatic

#1F564D #308375 #40B09D #66C7B7 #93D8CC

Accessibility & contrast

On white

2.65

#40B09D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#40B09D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B09D

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B09D	#FFFFFF	#000000	##000000
##40B09D	1.00	2.65	7.91	7.91
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9A69C

Deuteranopia (green-blind)

#989A9F

Tritanopia (blue-blind)

#00B3AA

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b09d;
/* rgb */ color: rgb(64, 176, 157);
/* oklch */ color: oklch(68.9% 0.105 179.7);

Tailwind

colors: {
  custom: {
    50: '#82c8b9',
    500: '#40b09d',
    950: '#000000',
  },
}

SCSS

$custom: #40b09d;
$custom-light: #82c8b9;
$custom-dark: #000000;

JSON

{
  "hex": "#40b09d",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 157
  },
  "hsl": {
    "h": 169.821,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.68872,
    "c": 0.10456,
    "h": 179.7
  },
  "luminance": 0.34575
}

Semantic roles & 50–950 ramp

primary

#40B09D

secondary

#C38993

accent

#5168D6

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0C1311

muted

#7D8280

Preview Lab

Preview with #40B09D

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

Preview Lab → · Contrast checker → · Palette generator →