#40B3B4#40B3B4

#40B3B4 is a light, moderate teal. Relative luminance 0.366; OKLCH L 70.4% C 0.101 H 195.9°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#40B3B4
RGB	rgb(64, 179, 180)
HSL	hsl(181, 48%, 48%)
HSV	hsv(181, 64%, 71%)
CMYK	cmyk(64.4%, 0.6%, 0%, 29.4%)
CIE-LAB	lab(66.99, -31.21, -10.01)
CIE-LCH	lch(66.99, 32.78, 197.78°)
OKLab	oklab(70.37% -0.0974 -0.0278)
OKLCH	oklch(70.37% 0.101 195.9)
XYZ	xyz(26.4690, 36.6226, 48.8451)
Luminance	0.3663 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B3B4 #B44140

analogous

#40B47B #40B3B4 #4079B4

triadic

#40B3B4 #B440B3 #B3B440

tetradic

#40B3B4 #7B40B4 #B44140 #79B440

square

#40B3B4 #7B40B4 #B44140 #79B440

split-complementary

#40B3B4 #B44079 #B47B40

monochromatic

#20595A #308687 #40B3B4 #68C8C9 #95D9D9

Accessibility & contrast

On white

2.52

#40B3B4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#40B3B4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B3B4

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B3B4	#FFFFFF	#000000	##000000
##40B3B4	1.00	2.52	8.32	8.32
#FFFFFF	2.52	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7ABB4

Deuteranopia (green-blind)

#959DB5

Tritanopia (blue-blind)

#00B9B3

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40b3b4;
/* rgb */ color: rgb(64, 179, 180);
/* oklch */ color: oklch(70.4% 0.101 195.9);

Tailwind

colors: {
  custom: {
    50: '#84caca',
    500: '#40b3b4',
    950: '#000000',
  },
}

SCSS

$custom: #40b3b4;
$custom-light: #84caca;
$custom-dark: #000000;

JSON

{
  "hex": "#40b3b4",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 180
  },
  "hsl": {
    "h": 180.517,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.70373,
    "c": 0.10125,
    "h": 195.9
  },
  "luminance": 0.36625
}

Semantic roles & 50–950 ramp

primary

#40B3B4

secondary

#C58B8B

accent

#5251D7

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B3B4

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

Preview Lab → · Contrast checker → · Palette generator →