#40A4D4#40A4D4

#40A4D4 is a light, moderate cyan. Relative luminance 0.324; OKLCH L 68.1% C 0.115 H 233.1°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#40A4D4
RGB	rgb(64, 164, 212)
HSL	hsl(199, 63%, 54%)
HSV	hsv(199, 70%, 83%)
CMYK	cmyk(69.8%, 22.6%, 0%, 16.9%)
CIE-LAB	lab(63.66, -13.61, -32.83)
CIE-LCH	lch(63.66, 35.54, 247.48°)
OKLab	oklab(68.08% -0.0694 -0.0922)
OKLCH	oklch(68.08% 0.115 233.1)
XYZ	xyz(27.2688, 32.3913, 67.0896)
Luminance	0.3239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A4D4 #D47040

analogous

#40D4BA #40A4D4 #405AD4

triadic

#40A4D4 #D440A4 #A4D440

tetradic

#40A4D4 #BA40D4 #D47040 #5AD440

square

#40A4D4 #BA40D4 #D47040 #5AD440

split-complementary

#40A4D4 #D4405A #D4BA40

monochromatic

#1C5E7D #2783AF #40A4D4 #72BCDF #A4D4EA

Accessibility & contrast

On white

2.81

#40A4D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#40A4D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A4D4

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A4D4	#FFFFFF	#000000	##000000
##40A4D4	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CA2D6

Deuteranopia (green-blind)

#7894D3

Tritanopia (blue-blind)

#00B1B4

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40a4d4;
/* rgb */ color: rgb(64, 164, 212);
/* oklch */ color: oklch(68.1% 0.115 233.1);

Tailwind

colors: {
  custom: {
    50: '#86bfe1',
    500: '#40a4d4',
    950: '#000000',
  },
}

SCSS

$custom: #40a4d4;
$custom-light: #86bfe1;
$custom-dark: #000000;

JSON

{
  "hex": "#40a4d4",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 212
  },
  "hsl": {
    "h": 199.459,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.6808,
    "c": 0.11542,
    "h": 233.1
  },
  "luminance": 0.32394
}

Semantic roles & 50–950 ramp

primary

#40A4D4

secondary

#D7AD98

accent

#7742E6

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #40A4D4

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

Preview Lab → · Contrast checker → · Palette generator →