#40B2B3#40B2B3

#40B2B3 is a light, moderate teal. Relative luminance 0.362; OKLCH L 70.1% C 0.101 H 195.9°. Best body text is #000000 at 8.24:1 contrast (WCAG AA passes).

Color values

HEX	#40B2B3
RGB	rgb(64, 178, 179)
HSL	hsl(181, 47%, 48%)
HSV	hsv(181, 64%, 70%)
CMYK	cmyk(64.2%, 0.6%, 0%, 29.8%)
CIE-LAB	lab(66.66, -31.02, -9.96)
CIE-LCH	lch(66.66, 32.58, 197.80°)
OKLab	oklab(70.09% -0.0968 -0.0276)
OKLCH	oklch(70.09% 0.101 195.9)
XYZ	xyz(26.1678, 36.1826, 48.2439)
Luminance	0.3619 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B2B3 #B34140

analogous

#40B37B #40B2B3 #4078B3

triadic

#40B2B3 #B340B2 #B2B340

tetradic

#40B2B3 #7B40B3 #B34140 #78B340

square

#40B2B3 #7B40B3 #B34140 #78B340

split-complementary

#40B2B3 #B34078 #B37B40

monochromatic

#205859 #308586 #40B2B3 #67C8C9 #94D8D9

Accessibility & contrast

On white

2.55

#40B2B3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.24

#40B2B3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B2B3

8.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B2B3	#FFFFFF	#000000	##000000
##40B2B3	1.00	2.55	8.24	8.24
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.24	21.00	1.00	1.00
##000000	8.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7AAB3

Deuteranopia (green-blind)

#959DB4

Tritanopia (blue-blind)

#00B8B2

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b2b3;
/* rgb */ color: rgb(64, 178, 179);
/* oklch */ color: oklch(70.1% 0.101 195.9);

Tailwind

colors: {
  custom: {
    50: '#84c9c9',
    500: '#40b2b3',
    950: '#000000',
  },
}

SCSS

$custom: #40b2b3;
$custom-light: #84c9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#40b2b3",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 179
  },
  "hsl": {
    "h": 180.522,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.70093,
    "c": 0.10062,
    "h": 195.9
  },
  "luminance": 0.36185
}

Semantic roles & 50–950 ramp

primary

#40B2B3

secondary

#C48B8A

accent

#5251D7

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B2B3

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

Preview Lab → · Contrast checker → · Palette generator →