#40B9AB#40B9AB

#40B9AB is a light, moderate teal. Relative luminance 0.387; OKLCH L 71.6% C 0.108 H 184.2°. Best body text is #000000 at 8.75:1 contrast (WCAG AA passes).

Color values

HEX	#40B9AB
RGB	rgb(64, 185, 171)
HSL	hsl(173, 49%, 49%)
HSV	hsv(173, 65%, 73%)
CMYK	cmyk(65.4%, 0%, 7.6%, 27.5%)
CIE-LAB	lab(68.55, -36.53, -2.73)
CIE-LCH	lch(68.55, 36.64, 184.28°)
OKLab	oklab(71.55% -0.1076 -0.008)
OKLCH	oklch(71.55% 0.108 184.2)
XYZ	xyz(26.8106, 38.7252, 44.5819)
Luminance	0.3873 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B9AB #B9404E

analogous

#40B96F #40B9AB #408BB9

triadic

#40B9AB #AB40B9 #B9AB40

tetradic

#40B9AB #6F40B9 #B9404E #8BB940

square

#40B9AB #6F40B9 #B9404E #8BB940

split-complementary

#40B9AB #B9408B #B96F40

monochromatic

#215E57 #308C81 #40B9AB #6BCCC0 #98DBD4

Accessibility & contrast

On white

2.40

#40B9AB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.75

#40B9AB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B9AB

8.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B9AB	#FFFFFF	#000000	##000000
##40B9AB	1.00	2.40	8.75	8.75
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.75	21.00	1.00	1.00
##000000	8.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0AFAB

Deuteranopia (green-blind)

#9EA2AC

Tritanopia (blue-blind)

#00BDB5

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #40b9ab;
/* rgb */ color: rgb(64, 185, 171);
/* oklch */ color: oklch(71.6% 0.108 184.2);

Tailwind

colors: {
  custom: {
    50: '#84cec3',
    500: '#40b9ab',
    950: '#000000',
  },
}

SCSS

$custom: #40b9ab;
$custom-light: #84cec3;
$custom-dark: #000000;

JSON

{
  "hex": "#40b9ab",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 171
  },
  "hsl": {
    "h": 173.058,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.71551,
    "c": 0.10793,
    "h": 184.2
  },
  "luminance": 0.38728
}

Semantic roles & 50–950 ramp

primary

#40B9AB

secondary

#C78E94

accent

#505FD8

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1412

muted

#7D8281

Preview Lab

Preview with #40B9AB

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

Preview Lab → · Contrast checker → · Palette generator →