#40AFC7#40AFC7

#40AFC7 is a light, moderate cyan. Relative luminance 0.359; OKLCH L 70.1% C 0.104 H 214.9°. Best body text is #000000 at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#40AFC7
RGB	rgb(64, 175, 199)
HSL	hsl(191, 55%, 52%)
HSV	hsv(191, 68%, 78%)
CMYK	cmyk(67.8%, 12.1%, 0%, 22%)
CIE-LAB	lab(66.42, -23.57, -21.39)
CIE-LCH	lch(66.42, 31.83, 222.23°)
OKLab	oklab(70.12% -0.0853 -0.0595)
OKLCH	oklch(70.12% 0.104 214.9)
XYZ	xyz(27.7488, 35.8704, 59.4830)
Luminance	0.3587 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AFC7 #C75840

analogous

#40C79C #40AFC7 #406CC7

triadic

#40AFC7 #C740AF #AFC740

tetradic

#40AFC7 #9C40C7 #C75840 #6CC740

square

#40AFC7 #9C40C7 #C75840 #6CC740

split-complementary

#40AFC7 #C7406C #C79C40

monochromatic

#205F6D #2E889C #40AFC7 #6FC3D5 #9FD7E3

Accessibility & contrast

On white

2.57

#40AFC7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.17

#40AFC7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AFC7

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AFC7	#FFFFFF	#000000	##000000
##40AFC7	1.00	2.57	8.17	8.17
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.17	21.00	1.00	1.00
##000000	8.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EAAC8

Deuteranopia (green-blind)

#8B9BC7

Tritanopia (blue-blind)

#00B8B6

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40afc7;
/* rgb */ color: rgb(64, 175, 199);
/* oklch */ color: oklch(70.1% 0.104 214.9);

Tailwind

colors: {
  custom: {
    50: '#85c7d8',
    500: '#40afc7',
    950: '#000000',
  },
}

SCSS

$custom: #40afc7;
$custom-light: #85c7d8;
$custom-dark: #000000;

JSON

{
  "hex": "#40afc7",
  "rgb": {
    "r": 64,
    "g": 175,
    "b": 199
  },
  "hsl": {
    "h": 190.667,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.70121,
    "c": 0.10402,
    "h": 214.9
  },
  "luminance": 0.35873
}

Semantic roles & 50–950 ramp

primary

#40AFC7

secondary

#CF9E94

accent

#644ADE

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #40AFC7

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

Preview Lab → · Contrast checker → · Palette generator →