#40A8DA#40A8DA

#40A8DA is a light, moderate cyan. Relative luminance 0.342; OKLCH L 69.3% C 0.119 H 233.3°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#40A8DA
RGB	rgb(64, 168, 218)
HSL	hsl(199, 68%, 55%)
HSV	hsv(199, 71%, 85%)
CMYK	cmyk(70.6%, 22.9%, 0%, 14.5%)
CIE-LAB	lab(65.08, -13.80, -33.95)
CIE-LCH	lch(65.08, 36.65, 247.88°)
OKLab	oklab(69.29% -0.0712 -0.0954)
OKLCH	oklch(69.29% 0.119 233.3)
XYZ	xyz(28.7668, 34.1540, 71.3924)
Luminance	0.3416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A8DA #DA7240

analogous

#40DABF #40A8DA #405BDA

triadic

#40A8DA #DA40A8 #A8DA40

tetradic

#40A8DA #BF40DA #DA7240 #5BDA40

square

#40A8DA #BF40DA #DA7240 #5BDA40

split-complementary

#40A8DA #DA405B #DABF40

monochromatic

#1A6386 #2489B9 #40A8DA #73BFE4 #A7D7EE

Accessibility & contrast

On white

2.68

#40A8DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#40A8DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A8DA

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A8DA	#FFFFFF	#000000	##000000
##40A8DA	1.00	2.68	7.83	7.83
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.83	21.00	1.00	1.00
##000000	7.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8FA6DC

Deuteranopia (green-blind)

#7A97D9

Tritanopia (blue-blind)

#00B5B9

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40a8da;
/* rgb */ color: rgb(64, 168, 218);
/* oklch */ color: oklch(69.3% 0.119 233.3);

Tailwind

colors: {
  custom: {
    50: '#87c1e5',
    500: '#40a8da',
    950: '#000000',
  },
}

SCSS

$custom: #40a8da;
$custom-light: #87c1e5;
$custom-dark: #000000;

JSON

{
  "hex": "#40a8da",
  "rgb": {
    "r": 64,
    "g": 168,
    "b": 218
  },
  "hsl": {
    "h": 199.481,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.69293,
    "c": 0.11908,
    "h": 233.3
  },
  "luminance": 0.34157
}

Semantic roles & 50–950 ramp

primary

#40A8DA

secondary

#DBB09B

accent

#763DEA

background

#F9FBFE

surface

#F1F7FC

border

#CBD0D5

text

#0D1215

muted

#7E8184

Preview Lab

Preview with #40A8DA

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

Preview Lab → · Contrast checker → · Palette generator →