#40A5D3#40A5D3

#40A5D3 is a light, moderate cyan. Relative luminance 0.327; OKLCH L 68.3% C 0.114 H 231.7°. Best body text is #000000 at 7.54:1 contrast (WCAG AA passes).

Color values

HEX	#40A5D3
RGB	rgb(64, 165, 211)
HSL	hsl(199, 63%, 54%)
HSV	hsv(199, 70%, 83%)
CMYK	cmyk(69.7%, 21.8%, 0%, 17.3%)
CIE-LAB	lab(63.92, -14.48, -31.89)
CIE-LCH	lch(63.92, 35.02, 245.57°)
OKLab	oklab(68.27% -0.0707 -0.0895)
OKLCH	oklch(68.27% 0.114 231.7)
XYZ	xyz(27.3227, 32.7004, 66.4872)
Luminance	0.3270 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A5D3 #D36E40

analogous

#40D3B8 #40A5D3 #405CD3

triadic

#40A5D3 #D340A5 #A5D340

tetradic

#40A5D3 #B840D3 #D36E40 #5CD340

square

#40A5D3 #B840D3 #D36E40 #5CD340

split-complementary

#40A5D3 #D3405C #D3B840

monochromatic

#1D5E7C #2884AE #40A5D3 #72BCDE #A3D4EA

Accessibility & contrast

On white

2.78

#40A5D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.54

#40A5D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A5D3

7.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A5D3	#FFFFFF	#000000	##000000
##40A5D3	1.00	2.78	7.54	7.54
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.54	21.00	1.00	1.00
##000000	7.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8EA3D5

Deuteranopia (green-blind)

#7A94D2

Tritanopia (blue-blind)

#00B1B4

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40a5d3;
/* rgb */ color: rgb(64, 165, 211);
/* oklch */ color: oklch(68.3% 0.114 231.7);

Tailwind

colors: {
  custom: {
    50: '#86bfe0',
    500: '#40a5d3',
    950: '#000000',
  },
}

SCSS

$custom: #40a5d3;
$custom-light: #86bfe0;
$custom-dark: #000000;

JSON

{
  "hex": "#40a5d3",
  "rgb": {
    "r": 64,
    "g": 165,
    "b": 211
  },
  "hsl": {
    "h": 198.776,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.68268,
    "c": 0.11408,
    "h": 231.7
  },
  "luminance": 0.32703
}

Semantic roles & 50–950 ramp

primary

#40A5D3

secondary

#D7AC98

accent

#7542E6

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #40A5D3

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

Preview Lab → · Contrast checker → · Palette generator →