#40B0B3#40B0B3

#40B0B3 is a light, moderate teal. Relative luminance 0.354; OKLCH L 69.6% C 0.099 H 197.7°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#40B0B3
RGB	rgb(64, 176, 179)
HSL	hsl(182, 47%, 48%)
HSV	hsv(182, 64%, 70%)
CMYK	cmyk(64.2%, 1.7%, 0%, 29.8%)
CIE-LAB	lab(66.05, -30.05, -10.86)
CIE-LCH	lch(66.05, 31.95, 199.87°)
OKLab	oklab(69.6% -0.0947 -0.0301)
OKLCH	oklch(69.6% 0.099 197.7)
XYZ	xyz(25.7728, 35.3925, 48.1122)
Luminance	0.3539 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B0B3 #B34340

analogous

#40B37C #40B0B3 #4077B3

triadic

#40B0B3 #B340B0 #B0B340

tetradic

#40B0B3 #7C40B3 #B34340 #77B340

square

#40B0B3 #7C40B3 #B34340 #77B340

split-complementary

#40B0B3 #B34077 #B37C40

monochromatic

#205759 #308486 #40B0B3 #67C6C9 #94D7D9

Accessibility & contrast

On white

2.60

#40B0B3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#40B0B3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B0B3

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B0B3	#FFFFFF	#000000	##000000
##40B0B3	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4A8B3

Deuteranopia (green-blind)

#939BB4

Tritanopia (blue-blind)

#00B6B1

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40b0b3;
/* rgb */ color: rgb(64, 176, 179);
/* oklch */ color: oklch(69.6% 0.099 197.7);

Tailwind

colors: {
  custom: {
    50: '#83c8c9',
    500: '#40b0b3',
    950: '#000000',
  },
}

SCSS

$custom: #40b0b3;
$custom-light: #83c8c9;
$custom-dark: #000000;

JSON

{
  "hex": "#40b0b3",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 179
  },
  "hsl": {
    "h": 181.565,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.69602,
    "c": 0.09934,
    "h": 197.7
  },
  "luminance": 0.35395
}

Semantic roles & 50–950 ramp

primary

#40B0B3

secondary

#C48C8A

accent

#5451D7

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B0B3

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

Preview Lab → · Contrast checker → · Palette generator →