#40A3CA#40A3CA

#40A3CA is a light, moderate cyan. Relative luminance 0.315; OKLCH L 67.4% C 0.107 H 227.8°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#40A3CA
RGB	rgb(64, 163, 202)
HSL	hsl(197, 57%, 52%)
HSV	hsv(197, 68%, 79%)
CMYK	cmyk(68.3%, 19.3%, 0%, 20.8%)
CIE-LAB	lab(62.97, -16.35, -28.36)
CIE-LCH	lch(62.97, 32.73, 240.04°)
OKLab	oklab(67.39% -0.0719 -0.0794)
OKLCH	oklch(67.39% 0.107 227.8)
XYZ	xyz(25.8679, 31.5458, 60.5913)
Luminance	0.3155 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A3CA #CA6740

analogous

#40CAAC #40A3CA #405ECA

triadic

#40A3CA #CA40A3 #A3CA40

tetradic

#40A3CA #AC40CA #CA6740 #5ECA40

square

#40A3CA #AC40CA #CA6740 #5ECA40

split-complementary

#40A3CA #CA405E #CAAC40

monochromatic

#1F5970 #2C80A0 #40A3CA #70BAD7 #A0D1E5

Accessibility & contrast

On white

2.87

#40A3CA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#40A3CA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A3CA

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A3CA	#FFFFFF	#000000	##000000
##40A3CA	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA0CC

Deuteranopia (green-blind)

#7B92CA

Tritanopia (blue-blind)

#00AEB0

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #40a3ca;
/* rgb */ color: rgb(64, 163, 202);
/* oklch */ color: oklch(67.4% 0.107 227.8);

Tailwind

colors: {
  custom: {
    50: '#85beda',
    500: '#40a3ca',
    950: '#000000',
  },
}

SCSS

$custom: #40a3ca;
$custom-light: #85beda;
$custom-dark: #000000;

JSON

{
  "hex": "#40a3ca",
  "rgb": {
    "r": 64,
    "g": 163,
    "b": 202
  },
  "hsl": {
    "h": 196.957,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.67388,
    "c": 0.10714,
    "h": 227.8
  },
  "luminance": 0.31549
}

Semantic roles & 50–950 ramp

primary

#40A3CA

secondary

#D1A695

accent

#7348E0

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #40A3CA

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

Preview Lab → · Contrast checker → · Palette generator →