#40AED1#40AED1

#40AED1 is a light, moderate cyan. Relative luminance 0.360; OKLCH L 70.3% C 0.110 H 223.0°. Best body text is #000000 at 8.19:1 contrast (WCAG AA passes).

Color values

HEX	#40AED1
RGB	rgb(64, 174, 209)
HSL	hsl(194, 61%, 54%)
HSV	hsv(194, 69%, 82%)
CMYK	cmyk(69.4%, 16.7%, 0%, 18%)
CIE-LAB	lab(66.49, -19.91, -26.81)
CIE-LCH	lch(66.49, 33.39, 233.40°)
OKLab	oklab(70.3% -0.0804 -0.0749)
OKLCH	oklch(70.3% 0.11 223)
XYZ	xyz(28.7543, 35.9623, 65.7352)
Luminance	0.3597 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AED1 #D16340

analogous

#40D1AB #40AED1 #4065D1

triadic

#40AED1 #D140AE #AED140

tetradic

#40AED1 #AB40D1 #D16340 #65D140

square

#40AED1 #AB40D1 #D16340 #65D140

split-complementary

#40AED1 #D14065 #D1AB40

monochromatic

#1D6379 #298BAB #40AED1 #71C3DD #A3D8E9

Accessibility & contrast

On white

2.56

#40AED1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.19

#40AED1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AED1

8.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AED1	#FFFFFF	#000000	##000000
##40AED1	1.00	2.56	8.19	8.19
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.19	21.00	1.00	1.00
##000000	8.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AAAD3

Deuteranopia (green-blind)

#869BD1

Tritanopia (blue-blind)

#00B9B9

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40aed1;
/* rgb */ color: rgb(64, 174, 209);
/* oklch */ color: oklch(70.3% 0.110 223.0);

Tailwind

colors: {
  custom: {
    50: '#87c6df',
    500: '#40aed1',
    950: '#000000',
  },
}

SCSS

$custom: #40aed1;
$custom-light: #87c6df;
$custom-dark: #000000;

JSON

{
  "hex": "#40aed1",
  "rgb": {
    "r": 64,
    "g": 174,
    "b": 209
  },
  "hsl": {
    "h": 194.483,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.70299,
    "c": 0.1099,
    "h": 223
  },
  "luminance": 0.35966
}

Semantic roles & 50–950 ramp

primary

#40AED1

secondary

#D5A697

accent

#6A44E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #40AED1

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

Preview Lab → · Contrast checker → · Palette generator →