#40B9C6#40B9C6

#40B9C6 is a light, moderate teal. Relative luminance 0.399; OKLCH L 72.5% C 0.106 H 205.3°. Best body text is #000000 at 8.97:1 contrast (WCAG AA passes).

Color values

HEX	#40B9C6
RGB	rgb(64, 185, 198)
HSL	hsl(186, 54%, 51%)
HSV	hsv(186, 68%, 78%)
CMYK	cmyk(67.7%, 6.6%, 0%, 22.4%)
CIE-LAB	lab(69.37, -28.87, -16.36)
CIE-LCH	lch(69.37, 33.18, 209.55°)
OKLab	oklab(72.49% -0.0959 -0.0454)
OKLCH	oklch(72.49% 0.106 205.3)
XYZ	xyz(29.6520, 39.8618, 59.5465)
Luminance	0.3987 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B9C6 #C64D40

analogous

#40C690 #40B9C6 #4076C6

triadic

#40B9C6 #C640B9 #B9C640

tetradic

#40B9C6 #9040C6 #C64D40 #76C640

square

#40B9C6 #9040C6 #C64D40 #76C640

split-complementary

#40B9C6 #C64076 #C69040

monochromatic

#20646C #2E909B #40B9C6 #6FCAD4 #9EDCE2

Accessibility & contrast

On white

2.34

#40B9C6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.97

#40B9C6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B9C6

8.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B9C6	#FFFFFF	#000000	##000000
##40B9C6	1.00	2.34	8.97	8.97
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.97	21.00	1.00	1.00
##000000	8.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AAB2C7

Deuteranopia (green-blind)

#97A3C6

Tritanopia (blue-blind)

#00C1BD

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #40b9c6;
/* rgb */ color: rgb(64, 185, 198);
/* oklch */ color: oklch(72.5% 0.106 205.3);

Tailwind

colors: {
  custom: {
    50: '#86ced7',
    500: '#40b9c6',
    950: '#000000',
  },
}

SCSS

$custom: #40b9c6;
$custom-light: #86ced7;
$custom-dark: #000000;

JSON

{
  "hex": "#40b9c6",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 198
  },
  "hsl": {
    "h": 185.821,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.72486,
    "c": 0.10607,
    "h": 205.3
  },
  "luminance": 0.39865
}

Semantic roles & 50–950 ramp

primary

#40B9C6

secondary

#CE9993

accent

#594ADD

background

#F8FCFD

surface

#F0F9FA

border

#CBD2D3

text

#0D1314

muted

#7D8283

Preview Lab

Preview with #40B9C6

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

Preview Lab → · Contrast checker → · Palette generator →