#40AEC7#40AEC7

#40AEC7 is a light, moderate cyan. Relative luminance 0.355; OKLCH L 69.9% C 0.104 H 215.8°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#40AEC7
RGB	rgb(64, 174, 199)
HSL	hsl(191, 55%, 52%)
HSV	hsv(191, 68%, 78%)
CMYK	cmyk(67.8%, 12.6%, 0%, 22%)
CIE-LAB	lab(66.12, -23.06, -21.85)
CIE-LCH	lch(66.12, 31.76, 223.46°)
OKLab	oklab(69.88% -0.0843 -0.0608)
OKLCH	oklch(69.88% 0.104 215.8)
XYZ	xyz(27.5549, 35.4825, 59.4184)
Luminance	0.3549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AEC7 #C75940

analogous

#40C79D #40AEC7 #406BC7

triadic

#40AEC7 #C740AE #AEC740

tetradic

#40AEC7 #9D40C7 #C75940 #6BC740

square

#40AEC7 #9D40C7 #C75940 #6BC740

split-complementary

#40AEC7 #C7406B #C79D40

monochromatic

#205E6D #2E889C #40AEC7 #6FC2D5 #9FD6E3

Accessibility & contrast

On white

2.59

#40AEC7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#40AEC7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AEC7

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AEC7	#FFFFFF	#000000	##000000
##40AEC7	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DA9C8

Deuteranopia (green-blind)

#8A9BC7

Tritanopia (blue-blind)

#00B7B6

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40aec7;
/* rgb */ color: rgb(64, 174, 199);
/* oklch */ color: oklch(69.9% 0.104 215.8);

Tailwind

colors: {
  custom: {
    50: '#85c6d8',
    500: '#40aec7',
    950: '#000000',
  },
}

SCSS

$custom: #40aec7;
$custom-light: #85c6d8;
$custom-dark: #000000;

JSON

{
  "hex": "#40aec7",
  "rgb": {
    "r": 64,
    "g": 174,
    "b": 199
  },
  "hsl": {
    "h": 191.111,
    "s": 54.656,
    "l": 51.569
  },
  "oklch": {
    "l": 0.69881,
    "c": 0.10393,
    "h": 215.8
  },
  "luminance": 0.35486
}

Semantic roles & 50–950 ramp

primary

#40AEC7

secondary

#CF9F94

accent

#654ADE

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #40AEC7

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

Preview Lab → · Contrast checker → · Palette generator →