#40B4B8#40B4B8

#40B4B8 is a light, moderate teal. Relative luminance 0.372; OKLCH L 70.8% C 0.102 H 198.4°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#40B4B8
RGB	rgb(64, 180, 184)
HSL	hsl(182, 48%, 49%)
HSV	hsv(182, 65%, 72%)
CMYK	cmyk(65.2%, 2.2%, 0%, 27.8%)
CIE-LAB	lab(67.42, -30.54, -11.59)
CIE-LCH	lch(67.42, 32.67, 200.77°)
OKLab	oklab(70.76% -0.0967 -0.0321)
OKLCH	oklch(70.76% 0.102 198.4)
XYZ	xyz(27.0835, 37.1902, 51.0892)
Luminance	0.3719 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B4B8 #B84440

analogous

#40B880 #40B4B8 #4078B8

triadic

#40B4B8 #B840B4 #B4B840

tetradic

#40B4B8 #8040B8 #B84440 #78B840

square

#40B4B8 #8040B8 #B84440 #78B840

split-complementary

#40B4B8 #B84078 #B88040

monochromatic

#205B5D #30888B #40B4B8 #6AC8CB #97D9DB

Accessibility & contrast

On white

2.49

#40B4B8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.44

#40B4B8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B4B8

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B4B8	#FFFFFF	#000000	##000000
##40B4B8	1.00	2.49	8.44	8.44
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.44	21.00	1.00	1.00
##000000	8.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8ACB8

Deuteranopia (green-blind)

#959EB9

Tritanopia (blue-blind)

#00BAB5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40b4b8;
/* rgb */ color: rgb(64, 180, 184);
/* oklch */ color: oklch(70.8% 0.102 198.4);

Tailwind

colors: {
  custom: {
    50: '#84cbcd',
    500: '#40b4b8',
    950: '#000000',
  },
}

SCSS

$custom: #40b4b8;
$custom-light: #84cbcd;
$custom-dark: #000000;

JSON

{
  "hex": "#40b4b8",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 184
  },
  "hsl": {
    "h": 182,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.7076,
    "c": 0.10187,
    "h": 198.4
  },
  "luminance": 0.37193
}

Semantic roles & 50–950 ramp

primary

#40B4B8

secondary

#C78F8D

accent

#5450D8

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1313

muted

#7D8282

Preview Lab

Preview with #40B4B8

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

Preview Lab → · Contrast checker → · Palette generator →