#40A9BB#40A9BB

#40A9BB is a light, moderate teal. Relative luminance 0.331; OKLCH L 68.2% C 0.098 H 210.9°. Best body text is #000000 at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#40A9BB
RGB	rgb(64, 169, 187)
HSL	hsl(189, 49%, 49%)
HSV	hsv(189, 66%, 73%)
CMYK	cmyk(65.8%, 9.6%, 0%, 26.7%)
CIE-LAB	lab(64.20, -24.20, -18.10)
CIE-LCH	lch(64.20, 30.22, 216.80°)
OKLab	oklab(68.2% -0.084 -0.0503)
OKLCH	oklch(68.2% 0.098 210.9)
XYZ	xyz(25.2682, 33.0510, 52.0519)
Luminance	0.3305 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A9BB #BB5240

analogous

#40BB8F #40A9BB #406CBB

triadic

#40A9BB #BB40A9 #A9BB40

tetradic

#40A9BB #8F40BB #BB5240 #6CBB40

square

#40A9BB #8F40BB #BB5240 #6CBB40

split-complementary

#40A9BB #BB406C #BB8F40

monochromatic

#215760 #30808D #40A9BB #6CBECD #99D2DC

Accessibility & contrast

On white

2.76

#40A9BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.61

#40A9BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A9BB

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A9BB	#FFFFFF	#000000	##000000
##40A9BB	1.00	2.76	7.61	7.61
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.61	21.00	1.00	1.00
##000000	7.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA3BC

Deuteranopia (green-blind)

#8896BB

Tritanopia (blue-blind)

#00B1AE

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40a9bb;
/* rgb */ color: rgb(64, 169, 187);
/* oklch */ color: oklch(68.2% 0.098 210.9);

Tailwind

colors: {
  custom: {
    50: '#84c3cf',
    500: '#40a9bb',
    950: '#000000',
  },
}

SCSS

$custom: #40a9bb;
$custom-light: #84c3cf;
$custom-dark: #000000;

JSON

{
  "hex": "#40a9bb",
  "rgb": {
    "r": 64,
    "g": 169,
    "b": 187
  },
  "hsl": {
    "h": 188.78,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.68196,
    "c": 0.09786,
    "h": 210.9
  },
  "luminance": 0.33054
}

Semantic roles & 50–950 ramp

primary

#40A9BB

secondary

#C8978F

accent

#634FD9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1213

muted

#7D8182

Preview Lab

Preview with #40A9BB

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

Preview Lab → · Contrast checker → · Palette generator →