#40A3CC#40A3CC

#40A3CC is a light, moderate cyan. Relative luminance 0.316; OKLCH L 67.5% C 0.109 H 229.1°. Best body text is #000000 at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#40A3CC
RGB	rgb(64, 163, 204)
HSL	hsl(198, 58%, 53%)
HSV	hsv(198, 69%, 80%)
CMYK	cmyk(68.6%, 20.1%, 0%, 20%)
CIE-LAB	lab(63.05, -15.70, -29.35)
CIE-LCH	lch(63.05, 33.28, 241.86°)
OKLab	oklab(67.48% -0.0712 -0.0822)
OKLCH	oklch(67.48% 0.109 229.1)
XYZ	xyz(26.1063, 31.6411, 61.8465)
Luminance	0.3164 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A3CC #CC6940

analogous

#40CCAF #40A3CC #405DCC

triadic

#40A3CC #CC40A3 #A3CC40

tetradic

#40A3CC #AF40CC #CC6940 #5DCC40

square

#40A3CC #AF40CC #CC6940 #5DCC40

split-complementary

#40A3CC #CC405D #CCAF40

monochromatic

#1F5A73 #2C80A3 #40A3CC #70BAD9 #A1D2E6

Accessibility & contrast

On white

2.87

#40A3CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.33

#40A3CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A3CC

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A3CC	#FFFFFF	#000000	##000000
##40A3CC	1.00	2.87	7.33	7.33
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.33	21.00	1.00	1.00
##000000	7.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA0CE

Deuteranopia (green-blind)

#7B92CB

Tritanopia (blue-blind)

#00AFB1

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40a3cc;
/* rgb */ color: rgb(64, 163, 204);
/* oklch */ color: oklch(67.5% 0.109 229.1);

Tailwind

colors: {
  custom: {
    50: '#85bedb',
    500: '#40a3cc',
    950: '#000000',
  },
}

SCSS

$custom: #40a3cc;
$custom-light: #85bedb;
$custom-dark: #000000;

JSON

{
  "hex": "#40a3cc",
  "rgb": {
    "r": 64,
    "g": 163,
    "b": 204
  },
  "hsl": {
    "h": 197.571,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.67478,
    "c": 0.10878,
    "h": 229.1
  },
  "luminance": 0.31644
}

Semantic roles & 50–950 ramp

primary

#40A3CC

secondary

#D2A795

accent

#7447E1

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40A3CC

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

Preview Lab → · Contrast checker → · Palette generator →