#40A5D4#40A5D4

#40A5D4 is a light, moderate cyan. Relative luminance 0.328; OKLCH L 68.3% C 0.115 H 232.3°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#40A5D4
RGB	rgb(64, 165, 212)
HSL	hsl(199, 63%, 54%)
HSV	hsv(199, 70%, 83%)
CMYK	cmyk(69.8%, 22.2%, 0%, 16.9%)
CIE-LAB	lab(63.96, -14.16, -32.38)
CIE-LCH	lch(63.96, 35.34, 246.39°)
OKLab	oklab(68.31% -0.0704 -0.0909)
OKLCH	oklch(68.31% 0.115 232.3)
XYZ	xyz(27.4484, 32.7507, 67.1495)
Luminance	0.3275 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A5D4 #D46F40

analogous

#40D4B9 #40A5D4 #405BD4

triadic

#40A5D4 #D440A5 #A5D440

tetradic

#40A5D4 #B940D4 #D46F40 #5BD440

square

#40A5D4 #B940D4 #D46F40 #5BD440

split-complementary

#40A5D4 #D4405B #D4B940

monochromatic

#1C5F7D #2784AF #40A5D4 #72BDDF #A4D4EA

Accessibility & contrast

On white

2.78

#40A5D4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#40A5D4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A5D4

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A5D4	#FFFFFF	#000000	##000000
##40A5D4	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA3D6

Deuteranopia (green-blind)

#7995D3

Tritanopia (blue-blind)

#00B2B5

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40a5d4;
/* rgb */ color: rgb(64, 165, 212);
/* oklch */ color: oklch(68.3% 0.115 232.3);

Tailwind

colors: {
  custom: {
    50: '#86bfe1',
    500: '#40a5d4',
    950: '#000000',
  },
}

SCSS

$custom: #40a5d4;
$custom-light: #86bfe1;
$custom-dark: #000000;

JSON

{
  "hex": "#40a5d4",
  "rgb": {
    "r": 64,
    "g": 165,
    "b": 212
  },
  "hsl": {
    "h": 199.054,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.68314,
    "c": 0.11498,
    "h": 232.3
  },
  "luminance": 0.32754
}

Semantic roles & 50–950 ramp

primary

#40A5D4

secondary

#D7AC98

accent

#7642E6

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #40A5D4

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

Preview Lab → · Contrast checker → · Palette generator →