#40B1BF#40B1BF

#40B1BF is a light, moderate teal. Relative luminance 0.363; OKLCH L 70.3% C 0.101 H 206.8°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#40B1BF
RGB	rgb(64, 177, 191)
HSL	hsl(187, 50%, 50%)
HSV	hsv(187, 66%, 75%)
CMYK	cmyk(66.5%, 7.3%, 0%, 25.1%)
CIE-LAB	lab(66.74, -27.01, -16.48)
CIE-LCH	lch(66.74, 31.64, 211.38°)
OKLab	oklab(70.29% -0.0906 -0.0457)
OKLCH	oklch(70.29% 0.101 206.8)
XYZ	xyz(27.2364, 36.2928, 54.8499)
Luminance	0.3630 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B1BF #BF4E40

analogous

#40BF8D #40B1BF #4072BF

triadic

#40B1BF #BF40B1 #B1BF40

tetradic

#40B1BF #8D40BF #BF4E40 #72BF40

square

#40B1BF #8D40BF #BF4E40 #72BF40

split-complementary

#40B1BF #BF4072 #BF8D40

monochromatic

#215C63 #318791 #40B1BF #6EC4CE #9CD6DE

Accessibility & contrast

On white

2.54

#40B1BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#40B1BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B1BF

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B1BF	#FFFFFF	#000000	##000000
##40B1BF	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AAC0

Deuteranopia (green-blind)

#909CBF

Tritanopia (blue-blind)

#00B8B5

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b1bf;
/* rgb */ color: rgb(64, 177, 191);
/* oklch */ color: oklch(70.3% 0.101 206.8);

Tailwind

colors: {
  custom: {
    50: '#85c8d2',
    500: '#40b1bf',
    950: '#000000',
  },
}

SCSS

$custom: #40b1bf;
$custom-light: #85c8d2;
$custom-dark: #000000;

JSON

{
  "hex": "#40b1bf",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 191
  },
  "hsl": {
    "h": 186.614,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.70289,
    "c": 0.10148,
    "h": 206.8
  },
  "luminance": 0.36296
}

Semantic roles & 50–950 ramp

primary

#40B1BF

secondary

#CA9791

accent

#5E4ED9

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1314

muted

#7D8282

Preview Lab

Preview with #40B1BF

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

Preview Lab → · Contrast checker → · Palette generator →