#40B7B3#40B7B3

#40B7B3 is a light, moderate teal. Relative luminance 0.382; OKLCH L 71.3% C 0.104 H 191.9°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#40B7B3
RGB	rgb(64, 183, 179)
HSL	hsl(178, 48%, 48%)
HSV	hsv(178, 65%, 72%)
CMYK	cmyk(65%, 0%, 2.2%, 28.2%)
CIE-LAB	lab(68.17, -33.40, -7.70)
CIE-LCH	lch(68.17, 34.28, 192.98°)
OKLab	oklab(71.32% -0.102 -0.0214)
OKLCH	oklch(71.32% 0.104 191.9)
XYZ	xyz(27.1809, 38.2086, 48.5816)
Luminance	0.3821 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B7B3 #B74044

analogous

#40B777 #40B7B3 #407FB7

triadic

#40B7B3 #B340B7 #B7B340

tetradic

#40B7B3 #7740B7 #B74044 #7FB740

square

#40B7B3 #7740B7 #B74044 #7FB740

split-complementary

#40B7B3 #B7407F #B77740

monochromatic

#205C5A #308A87 #40B7B3 #69CBC7 #97DBD8

Accessibility & contrast

On white

2.43

#40B7B3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.64

#40B7B3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B7B3

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B7B3	#FFFFFF	#000000	##000000
##40B7B3	1.00	2.43	8.64	8.64
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.64	21.00	1.00	1.00
##000000	8.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACAEB3

Deuteranopia (green-blind)

#9AA1B4

Tritanopia (blue-blind)

#00BCB5

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #40b7b3;
/* rgb */ color: rgb(64, 183, 179);
/* oklch */ color: oklch(71.3% 0.104 191.9);

Tailwind

colors: {
  custom: {
    50: '#84cdc9',
    500: '#40b7b3',
    950: '#000000',
  },
}

SCSS

$custom: #40b7b3;
$custom-light: #84cdc9;
$custom-dark: #000000;

JSON

{
  "hex": "#40b7b3",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 179
  },
  "hsl": {
    "h": 177.983,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.7132,
    "c": 0.1042,
    "h": 191.9
  },
  "luminance": 0.38212
}

Semantic roles & 50–950 ramp

primary

#40B7B3

secondary

#C68D8E

accent

#5055D8

background

#F8FCFC

surface

#F0F9F8

border

#CBD2D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B7B3

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

Preview Lab → · Contrast checker → · Palette generator →