#40A9DA#40A9DA

#40A9DA is a light, moderate cyan. Relative luminance 0.345; OKLCH L 69.5% C 0.119 H 232.5°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#40A9DA
RGB	rgb(64, 169, 218)
HSL	hsl(199, 68%, 55%)
HSV	hsv(199, 71%, 85%)
CMYK	cmyk(70.6%, 22.5%, 0%, 14.5%)
CIE-LAB	lab(65.38, -14.34, -33.50)
CIE-LCH	lch(65.38, 36.44, 246.82°)
OKLab	oklab(69.53% -0.0722 -0.0941)
OKLCH	oklch(69.53% 0.119 232.5)
XYZ	xyz(28.9522, 34.5246, 71.4541)
Luminance	0.3453 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A9DA #DA7140

analogous

#40DABE #40A9DA #405CDA

triadic

#40A9DA #DA40A9 #A9DA40

tetradic

#40A9DA #BE40DA #DA7140 #5CDA40

square

#40A9DA #BE40DA #DA7140 #5CDA40

split-complementary

#40A9DA #DA405C #DABE40

monochromatic

#1A6386 #248AB9 #40A9DA #73C0E4 #A7D7EE

Accessibility & contrast

On white

2.66

#40A9DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#40A9DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A9DA

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A9DA	#FFFFFF	#000000	##000000
##40A9DA	1.00	2.66	7.91	7.91
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91A7DC

Deuteranopia (green-blind)

#7C98D9

Tritanopia (blue-blind)

#00B6B9

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40a9da;
/* rgb */ color: rgb(64, 169, 218);
/* oklch */ color: oklch(69.5% 0.119 232.5);

Tailwind

colors: {
  custom: {
    50: '#87c2e5',
    500: '#40a9da',
    950: '#000000',
  },
}

SCSS

$custom: #40a9da;
$custom-light: #87c2e5;
$custom-dark: #000000;

JSON

{
  "hex": "#40a9da",
  "rgb": {
    "r": 64,
    "g": 169,
    "b": 218
  },
  "hsl": {
    "h": 199.091,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.69526,
    "c": 0.11862,
    "h": 232.5
  },
  "luminance": 0.34528
}

Semantic roles & 50–950 ramp

primary

#40A9DA

secondary

#DBAF9B

accent

#743DEA

background

#F9FBFE

surface

#F1F7FC

border

#CBD0D5

text

#0D1215

muted

#7E8184

Preview Lab

Preview with #40A9DA

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

Preview Lab → · Contrast checker → · Palette generator →