#40AAD9#40AAD9

#40AAD9 is a light, moderate cyan. Relative luminance 0.348; OKLCH L 69.7% C 0.117 H 231.2°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#40AAD9
RGB	rgb(64, 170, 217)
HSL	hsl(198, 67%, 55%)
HSV	hsv(198, 71%, 85%)
CMYK	cmyk(70.5%, 21.7%, 0%, 14.9%)
CIE-LAB	lab(65.63, -15.21, -32.55)
CIE-LCH	lch(65.63, 35.93, 244.96°)
OKLab	oklab(69.71% -0.0735 -0.0914)
OKLCH	oklch(69.71% 0.117 231.2)
XYZ	xyz(29.0085, 34.8459, 70.8293)
Luminance	0.3485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AAD9 #D96F40

analogous

#40D9BB #40AAD9 #405ED9

triadic

#40AAD9 #D940AA #AAD940

tetradic

#40AAD9 #BB40D9 #D96F40 #5ED940

square

#40AAD9 #BB40D9 #D96F40 #5ED940

split-complementary

#40AAD9 #D9405E #D9BB40

monochromatic

#1A6484 #248AB7 #40AAD9 #73C1E3 #A6D7ED

Accessibility & contrast

On white

2.63

#40AAD9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.97

#40AAD9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AAD9

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AAD9	#FFFFFF	#000000	##000000
##40AAD9	1.00	2.63	7.97	7.97
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.97	21.00	1.00	1.00
##000000	7.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92A8DB

Deuteranopia (green-blind)

#7D99D8

Tritanopia (blue-blind)

#00B7BA

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40aad9;
/* rgb */ color: rgb(64, 170, 217);
/* oklch */ color: oklch(69.7% 0.117 231.2);

Tailwind

colors: {
  custom: {
    50: '#87c3e5',
    500: '#40aad9',
    950: '#000000',
  },
}

SCSS

$custom: #40aad9;
$custom-light: #87c3e5;
$custom-dark: #000000;

JSON

{
  "hex": "#40aad9",
  "rgb": {
    "r": 64,
    "g": 170,
    "b": 217
  },
  "hsl": {
    "h": 198.431,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.69713,
    "c": 0.11731,
    "h": 231.2
  },
  "luminance": 0.34849
}

Semantic roles & 50–950 ramp

primary

#40AAD9

secondary

#DAAE9A

accent

#733EEA

background

#F9FBFE

surface

#F1F7FC

border

#CBD0D5

text

#0D1215

muted

#7E8184

Preview Lab

Preview with #40AAD9

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

Preview Lab → · Contrast checker → · Palette generator →