#40A3D2#40A3D2

#40A3D2 is a light, moderate cyan. Relative luminance 0.319; OKLCH L 67.8% C 0.114 H 232.7°. Best body text is #000000 at 7.39:1 contrast (WCAG AA passes).

Color values

HEX	#40A3D2
RGB	rgb(64, 163, 210)
HSL	hsl(199, 62%, 54%)
HSV	hsv(199, 70%, 82%)
CMYK	cmyk(69.5%, 22.4%, 0%, 17.6%)
CIE-LAB	lab(63.29, -13.73, -32.31)
CIE-LCH	lch(63.29, 35.10, 246.98°)
OKLab	oklab(67.75% -0.0691 -0.0907)
OKLCH	oklch(67.75% 0.114 232.7)
XYZ	xyz(26.8398, 31.9345, 65.7097)
Luminance	0.3194 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A3D2 #D26F40

analogous

#40D2B8 #40A3D2 #405AD2

triadic

#40A3D2 #D240A3 #A3D240

tetradic

#40A3D2 #B840D2 #D26F40 #5AD240

square

#40A3D2 #B840D2 #D26F40 #5AD240

split-complementary

#40A3D2 #D2405A #D2B840

monochromatic

#1D5D7B #2982AC #40A3D2 #72BBDE #A3D3E9

Accessibility & contrast

On white

2.84

#40A3D2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.39

#40A3D2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A3D2

7.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A3D2	#FFFFFF	#000000	##000000
##40A3D2	1.00	2.84	7.39	7.39
#FFFFFF	2.84	1.00	21.00	21.00
#000000	7.39	21.00	1.00	1.00
##000000	7.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8CA1D4

Deuteranopia (green-blind)

#7893D1

Tritanopia (blue-blind)

#00B0B3

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40a3d2;
/* rgb */ color: rgb(64, 163, 210);
/* oklch */ color: oklch(67.8% 0.114 232.7);

Tailwind

colors: {
  custom: {
    50: '#86bee0',
    500: '#40a3d2',
    950: '#000000',
  },
}

SCSS

$custom: #40a3d2;
$custom-light: #86bee0;
$custom-dark: #000000;

JSON

{
  "hex": "#40a3d2",
  "rgb": {
    "r": 64,
    "g": 163,
    "b": 210
  },
  "hsl": {
    "h": 199.315,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.67753,
    "c": 0.11403,
    "h": 232.7
  },
  "luminance": 0.31938
}

Semantic roles & 50–950 ramp

primary

#40A3D2

secondary

#D6AC98

accent

#7743E5

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #40A3D2

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

Preview Lab → · Contrast checker → · Palette generator →