#40B4C7#40B4C7

#40B4C7 is a light, moderate teal. Relative luminance 0.379; OKLCH L 71.3% C 0.105 H 210.5°. Best body text is #000000 at 8.57:1 contrast (WCAG AA passes).

Color values

HEX	#40B4C7
RGB	rgb(64, 180, 199)
HSL	hsl(188, 55%, 52%)
HSV	hsv(188, 68%, 78%)
CMYK	cmyk(67.8%, 9.5%, 0%, 22%)
CIE-LAB	lab(67.91, -26.09, -19.12)
CIE-LCH	lch(67.91, 32.35, 216.24°)
OKLab	oklab(71.32% -0.0904 -0.0531)
OKLCH	oklch(71.32% 0.105 210.5)
XYZ	xyz(28.7400, 37.8528, 59.8134)
Luminance	0.3786 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B4C7 #C75340

analogous

#40C796 #40B4C7 #4071C7

triadic

#40B4C7 #C740B4 #B4C740

tetradic

#40B4C7 #9640C7 #C75340 #71C740

square

#40B4C7 #9640C7 #C75340 #71C740

split-complementary

#40B4C7 #C74071 #C79640

monochromatic

#20626D #2E8D9C #40B4C7 #6FC7D5 #9FD9E3

Accessibility & contrast

On white

2.45

#40B4C7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.57

#40B4C7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B4C7

8.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B4C7	#FFFFFF	#000000	##000000
##40B4C7	1.00	2.45	8.57	8.57
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.57	21.00	1.00	1.00
##000000	8.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4AEC8

Deuteranopia (green-blind)

#919FC7

Tritanopia (blue-blind)

#00BCBA

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40b4c7;
/* rgb */ color: rgb(64, 180, 199);
/* oklch */ color: oklch(71.3% 0.105 210.5);

Tailwind

colors: {
  custom: {
    50: '#86cad8',
    500: '#40b4c7',
    950: '#000000',
  },
}

SCSS

$custom: #40b4c7;
$custom-light: #86cad8;
$custom-dark: #000000;

JSON

{
  "hex": "#40b4c7",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 199
  },
  "hsl": {
    "h": 188.444,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.71321,
    "c": 0.10484,
    "h": 210.5
  },
  "luminance": 0.37856
}

Semantic roles & 50–950 ramp

primary

#40B4C7

secondary

#CF9C94

accent

#5F4ADE

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #40B4C7

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

Preview Lab → · Contrast checker → · Palette generator →