#40AFD0#40AFD0

#40AFD0 is a light, moderate cyan. Relative luminance 0.363; OKLCH L 70.5% C 0.109 H 221.4°. Best body text is #000000 at 8.26:1 contrast (WCAG AA passes).

Color values

HEX	#40AFD0
RGB	rgb(64, 175, 208)
HSL	hsl(194, 61%, 53%)
HSV	hsv(194, 69%, 82%)
CMYK	cmyk(69.2%, 15.9%, 0%, 18.4%)
CIE-LAB	lab(66.75, -20.75, -25.86)
CIE-LCH	lch(66.75, 33.16, 231.26°)
OKLab	oklab(70.49% -0.0818 -0.0722)
OKLCH	oklch(70.49% 0.109 221.4)
XYZ	xyz(28.8248, 36.3007, 65.1499)
Luminance	0.3630 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AFD0 #D06140

analogous

#40D0A9 #40AFD0 #4067D0

triadic

#40AFD0 #D040AF #AFD040

tetradic

#40AFD0 #A940D0 #D06140 #67D040

square

#40AFD0 #A940D0 #D06140 #67D040

split-complementary

#40AFD0 #D04067 #D0A940

monochromatic

#1E6378 #2A8CA9 #40AFD0 #71C4DC #A2D8E8

Accessibility & contrast

On white

2.54

#40AFD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.26

#40AFD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AFD0

8.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AFD0	#FFFFFF	#000000	##000000
##40AFD0	1.00	2.54	8.26	8.26
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.26	21.00	1.00	1.00
##000000	8.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BABD2

Deuteranopia (green-blind)

#879CD0

Tritanopia (blue-blind)

#00BABA

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40afd0;
/* rgb */ color: rgb(64, 175, 208);
/* oklch */ color: oklch(70.5% 0.109 221.4);

Tailwind

colors: {
  custom: {
    50: '#86c7de',
    500: '#40afd0',
    950: '#000000',
  },
}

SCSS

$custom: #40afd0;
$custom-light: #86c7de;
$custom-dark: #000000;

JSON

{
  "hex": "#40afd0",
  "rgb": {
    "r": 64,
    "g": 175,
    "b": 208
  },
  "hsl": {
    "h": 193.75,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.70493,
    "c": 0.1091,
    "h": 221.4
  },
  "luminance": 0.36304
}

Semantic roles & 50–950 ramp

primary

#40AFD0

secondary

#D5A597

accent

#6944E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #40AFD0

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

Preview Lab → · Contrast checker → · Palette generator →