#40B1B2#40B1B2

#40B1B2 is a light, moderate teal. Relative luminance 0.357; OKLCH L 69.8% C 0.100 H 195.9°. Best body text is #000000 at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#40B1B2
RGB	rgb(64, 177, 178)
HSL	hsl(181, 47%, 47%)
HSV	hsv(181, 64%, 70%)
CMYK	cmyk(64%, 0.6%, 0%, 30.2%)
CIE-LAB	lab(66.33, -30.82, -9.90)
CIE-LCH	lch(66.33, 32.37, 197.81°)
OKLab	oklab(69.81% -0.0961 -0.0275)
OKLCH	oklch(69.81% 0.1 195.9)
XYZ	xyz(25.8688, 35.7458, 47.6471)
Luminance	0.3575 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B1B2 #B24140

analogous

#40B27A #40B1B2 #4078B2

triadic

#40B1B2 #B240B1 #B1B240

tetradic

#40B1B2 #7A40B2 #B24140 #78B240

square

#40B1B2 #7A40B2 #B24140 #78B240

split-complementary

#40B1B2 #B24078 #B27A40

monochromatic

#205758 #308485 #40B1B2 #67C7C8 #94D8D8

Accessibility & contrast

On white

2.58

#40B1B2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.15

#40B1B2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B1B2

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B1B2	#FFFFFF	#000000	##000000
##40B1B2	1.00	2.58	8.15	8.15
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.15	21.00	1.00	1.00
##000000	8.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6A9B2

Deuteranopia (green-blind)

#949CB3

Tritanopia (blue-blind)

#00B7B1

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b1b2;
/* rgb */ color: rgb(64, 177, 178);
/* oklch */ color: oklch(69.8% 0.100 195.9);

Tailwind

colors: {
  custom: {
    50: '#83c8c9',
    500: '#40b1b2',
    950: '#000000',
  },
}

SCSS

$custom: #40b1b2;
$custom-light: #83c8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#40b1b2",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 178
  },
  "hsl": {
    "h": 180.526,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.69812,
    "c": 0.1,
    "h": 195.9
  },
  "luminance": 0.35749
}

Semantic roles & 50–950 ramp

primary

#40B1B2

secondary

#C48A8A

accent

#5251D7

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B1B2

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

Preview Lab → · Contrast checker → · Palette generator →