#40B09B#40B09B

#40B09B is a light, moderate teal. Relative luminance 0.345; OKLCH L 68.8% C 0.106 H 178.2°. Best body text is #000000 at 7.90:1 contrast (WCAG AA passes).

Color values

HEX	#40B09B
RGB	rgb(64, 176, 155)
HSL	hsl(169, 47%, 47%)
HSV	hsv(169, 64%, 69%)
CMYK	cmyk(63.6%, 0%, 11.9%, 31%)
CIE-LAB	lab(65.36, -36.64, 1.44)
CIE-LCH	lch(65.36, 36.67, 177.75°)
OKLab	oklab(68.81% -0.1055 0.0033)
OKLCH	oklch(68.81% 0.106 178.2)
XYZ	xyz(23.5533, 34.5047, 36.4228)
Luminance	0.3451 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B09B #B04055

analogous

#40B063 #40B09B #408DB0

triadic

#40B09B #9B40B0 #B09B40

tetradic

#40B09B #6340B0 #B04055 #8DB040

square

#40B09B #6340B0 #B04055 #8DB040

split-complementary

#40B09B #B0408D #B06340

monochromatic

#1F564C #308373 #40B09B #66C7B5 #93D8CB

Accessibility & contrast

On white

2.66

#40B09B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.90

#40B09B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B09B

7.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B09B	#FFFFFF	#000000	##000000
##40B09B	1.00	2.66	7.90	7.90
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.90	21.00	1.00	1.00
##000000	7.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9A69A

Deuteranopia (green-blind)

#999A9D

Tritanopia (blue-blind)

#00B3AA

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b09b;
/* rgb */ color: rgb(64, 176, 155);
/* oklch */ color: oklch(68.8% 0.106 178.2);

Tailwind

colors: {
  custom: {
    50: '#82c8b8',
    500: '#40b09b',
    950: '#000000',
  },
}

SCSS

$custom: #40b09b;
$custom-light: #82c8b8;
$custom-dark: #000000;

JSON

{
  "hex": "#40b09b",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 155
  },
  "hsl": {
    "h": 168.75,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.68811,
    "c": 0.10554,
    "h": 178.2
  },
  "luminance": 0.34507
}

Semantic roles & 50–950 ramp

primary

#40B09B

secondary

#C38994

accent

#516AD6

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0B1311

muted

#7C8280

Preview Lab

Preview with #40B09B

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

Preview Lab → · Contrast checker → · Palette generator →