#40AFD1#40AFD1

#40AFD1 is a light, moderate cyan. Relative luminance 0.364; OKLCH L 70.5% C 0.110 H 222.1°. Best body text is #000000 at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#40AFD1
RGB	rgb(64, 175, 209)
HSL	hsl(194, 61%, 54%)
HSV	hsv(194, 69%, 82%)
CMYK	cmyk(69.4%, 16.3%, 0%, 18%)
CIE-LAB	lab(66.79, -20.43, -26.35)
CIE-LCH	lch(66.79, 33.35, 232.21°)
OKLab	oklab(70.54% -0.0814 -0.0736)
OKLCH	oklch(70.54% 0.11 222.1)
XYZ	xyz(28.9482, 36.3501, 65.7999)
Luminance	0.3635 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AFD1 #D16240

analogous

#40D1AA #40AFD1 #4066D1

triadic

#40AFD1 #D140AF #AFD140

tetradic

#40AFD1 #AA40D1 #D16240 #66D140

square

#40AFD1 #AA40D1 #D16240 #66D140

split-complementary

#40AFD1 #D14066 #D1AA40

monochromatic

#1D6479 #298CAB #40AFD1 #71C4DD #A3D8E9

Accessibility & contrast

On white

2.54

#40AFD1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.27

#40AFD1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AFD1

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AFD1	#FFFFFF	#000000	##000000
##40AFD1	1.00	2.54	8.27	8.27
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.27	21.00	1.00	1.00
##000000	8.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BABD3

Deuteranopia (green-blind)

#879CD1

Tritanopia (blue-blind)

#00BABA

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40afd1;
/* rgb */ color: rgb(64, 175, 209);
/* oklch */ color: oklch(70.5% 0.110 222.1);

Tailwind

colors: {
  custom: {
    50: '#87c7df',
    500: '#40afd1',
    950: '#000000',
  },
}

SCSS

$custom: #40afd1;
$custom-light: #87c7df;
$custom-dark: #000000;

JSON

{
  "hex": "#40afd1",
  "rgb": {
    "r": 64,
    "g": 175,
    "b": 209
  },
  "hsl": {
    "h": 194.069,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.70535,
    "c": 0.10975,
    "h": 222.1
  },
  "luminance": 0.36353
}

Semantic roles & 50–950 ramp

primary

#40AFD1

secondary

#D5A697

accent

#6944E4

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #40AFD1

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

Preview Lab → · Contrast checker → · Palette generator →