#40A8D1#40A8D1

#40A8D1 is a light, moderate cyan. Relative luminance 0.337; OKLCH L 68.9% C 0.111 H 228.0°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#40A8D1
RGB	rgb(64, 168, 209)
HSL	hsl(197, 61%, 54%)
HSV	hsv(197, 69%, 82%)
CMYK	cmyk(69.4%, 19.6%, 0%, 18%)
CIE-LAB	lab(64.72, -16.75, -29.54)
CIE-LCH	lch(64.72, 33.95, 240.45°)
OKLab	oklab(68.88% -0.0744 -0.0827)
OKLCH	oklch(68.88% 0.111 228)
XYZ	xyz(27.6210, 33.6956, 65.3574)
Luminance	0.3370 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A8D1 #D16940

analogous

#40D1B2 #40A8D1 #405FD1

triadic

#40A8D1 #D140A8 #A8D140

tetradic

#40A8D1 #B240D1 #D16940 #5FD140

square

#40A8D1 #B240D1 #D16940 #5FD140

split-complementary

#40A8D1 #D1405F #D1B240

monochromatic

#1D5F79 #2986AB #40A8D1 #71BEDD #A3D5E9

Accessibility & contrast

On white

2.71

#40A8D1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#40A8D1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A8D1

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A8D1	#FFFFFF	#000000	##000000
##40A8D1	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A5D3

Deuteranopia (green-blind)

#7F97D0

Tritanopia (blue-blind)

#00B4B5

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40a8d1;
/* rgb */ color: rgb(64, 168, 209);
/* oklch */ color: oklch(68.9% 0.111 228.0);

Tailwind

colors: {
  custom: {
    50: '#86c2df',
    500: '#40a8d1',
    950: '#000000',
  },
}

SCSS

$custom: #40a8d1;
$custom-light: #86c2df;
$custom-dark: #000000;

JSON

{
  "hex": "#40a8d1",
  "rgb": {
    "r": 64,
    "g": 168,
    "b": 209
  },
  "hsl": {
    "h": 196.966,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.68882,
    "c": 0.11129,
    "h": 228
  },
  "luminance": 0.33699
}

Semantic roles & 50–950 ramp

primary

#40A8D1

secondary

#D5A997

accent

#7144E4

background

#F8FBFD

surface

#F0F7FB

border

#CBD0D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #40A8D1

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

Preview Lab → · Contrast checker → · Palette generator →