#40AEC6#40AEC6

#40AEC6 is a light, moderate cyan. Relative luminance 0.354; OKLCH L 69.8% C 0.103 H 215.1°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#40AEC6
RGB	rgb(64, 174, 198)
HSL	hsl(191, 54%, 51%)
HSV	hsv(191, 68%, 78%)
CMYK	cmyk(67.7%, 12.1%, 0%, 22.4%)
CIE-LAB	lab(66.09, -23.37, -21.35)
CIE-LCH	lch(66.09, 31.65, 222.41°)
OKLab	oklab(69.84% -0.0847 -0.0594)
OKLCH	oklch(69.84% 0.103 215.1)
XYZ	xyz(27.4392, 35.4362, 58.8089)
Luminance	0.3544 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AEC6 #C65840

analogous

#40C69B #40AEC6 #406BC6

triadic

#40AEC6 #C640AE #AEC640

tetradic

#40AEC6 #9B40C6 #C65840 #6BC640

square

#40AEC6 #9B40C6 #C65840 #6BC640

split-complementary

#40AEC6 #C6406B #C69B40

monochromatic

#205E6C #2E879B #40AEC6 #6FC2D4 #9ED6E2

Accessibility & contrast

On white

2.60

#40AEC6 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.09

#40AEC6 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AEC6

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AEC6	#FFFFFF	#000000	##000000
##40AEC6	1.00	2.60	8.09	8.09
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.09	21.00	1.00	1.00
##000000	8.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9DA9C7

Deuteranopia (green-blind)

#8A9BC6

Tritanopia (blue-blind)

#00B7B5

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40aec6;
/* rgb */ color: rgb(64, 174, 198);
/* oklch */ color: oklch(69.8% 0.103 215.1);

Tailwind

colors: {
  custom: {
    50: '#85c6d7',
    500: '#40aec6',
    950: '#000000',
  },
}

SCSS

$custom: #40aec6;
$custom-light: #85c6d7;
$custom-dark: #000000;

JSON

{
  "hex": "#40aec6",
  "rgb": {
    "r": 64,
    "g": 174,
    "b": 198
  },
  "hsl": {
    "h": 190.746,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.6984,
    "c": 0.10344,
    "h": 215.1
  },
  "luminance": 0.35439
}

Semantic roles & 50–950 ramp

primary

#40AEC6

secondary

#CE9E93

accent

#654ADD

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #40AEC6

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

Preview Lab → · Contrast checker → · Palette generator →