#40AED3#40AED3

#40AED3 is a light, moderate cyan. Relative luminance 0.361; OKLCH L 70.4% C 0.111 H 224.3°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#40AED3
RGB	rgb(64, 174, 211)
HSL	hsl(195, 63%, 54%)
HSV	hsv(195, 70%, 83%)
CMYK	cmyk(69.7%, 17.5%, 0%, 17.3%)
CIE-LAB	lab(66.57, -19.27, -27.79)
CIE-LCH	lch(66.57, 33.82, 235.26°)
OKLab	oklab(70.38% -0.0796 -0.0777)
OKLCH	oklch(70.38% 0.111 224.3)
XYZ	xyz(29.0035, 36.0620, 67.0475)
Luminance	0.3607 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AED3 #D36540

analogous

#40D3AF #40AED3 #4065D3

triadic

#40AED3 #D340AE #AED340

tetradic

#40AED3 #AF40D3 #D36540 #65D340

square

#40AED3 #AF40D3 #D36540 #65D340

split-complementary

#40AED3 #D34065 #D3AF40

monochromatic

#1D647C #288CAE #40AED3 #72C3DE #A3D8EA

Accessibility & contrast

On white

2.56

#40AED3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#40AED3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AED3

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AED3	#FFFFFF	#000000	##000000
##40AED3	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99AAD5

Deuteranopia (green-blind)

#859BD3

Tritanopia (blue-blind)

#00B9BA

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40aed3;
/* rgb */ color: rgb(64, 174, 211);
/* oklch */ color: oklch(70.4% 0.111 224.3);

Tailwind

colors: {
  custom: {
    50: '#87c6e0',
    500: '#40aed3',
    950: '#000000',
  },
}

SCSS

$custom: #40aed3;
$custom-light: #87c6e0;
$custom-dark: #000000;

JSON

{
  "hex": "#40aed3",
  "rgb": {
    "r": 64,
    "g": 174,
    "b": 211
  },
  "hsl": {
    "h": 195.102,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.70385,
    "c": 0.1113,
    "h": 224.3
  },
  "luminance": 0.36065
}

Semantic roles & 50–950 ramp

primary

#40AED3

secondary

#D7A898

accent

#6B42E6

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #40AED3

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

Preview Lab → · Contrast checker → · Palette generator →