#40AEDB#40AEDB

#40AEDB is a light, moderate cyan. Relative luminance 0.365; OKLCH L 70.7% C 0.117 H 229.2°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#40AEDB
RGB	rgb(64, 174, 219)
HSL	hsl(197, 68%, 55%)
HSV	hsv(197, 71%, 86%)
CMYK	cmyk(70.8%, 20.5%, 0%, 14.1%)
CIE-LAB	lab(66.88, -16.69, -31.72)
CIE-LCH	lch(66.88, 35.84, 242.25°)
OKLab	oklab(70.74% -0.0767 -0.089)
OKLCH	oklch(70.74% 0.117 229.2)
XYZ	xyz(30.0314, 36.4731, 72.4614)
Luminance	0.3648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AEDB #DB6D40

analogous

#40DBBA #40AEDB #4061DB

triadic

#40AEDB #DB40AE #AEDB40

tetradic

#40AEDB #BA40DB #DB6D40 #61DB40

square

#40AEDB #BA40DB #DB6D40 #61DB40

split-complementary

#40AEDB #DB4061 #DBBA40

monochromatic

#196787 #238FBB #40AEDB #73C4E5 #A7DAEE

Accessibility & contrast

On white

2.53

#40AEDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#40AEDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AEDB

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AEDB	#FFFFFF	#000000	##000000
##40AEDB	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97ABDD

Deuteranopia (green-blind)

#829CDA

Tritanopia (blue-blind)

#00BBBD

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #40aedb;
/* rgb */ color: rgb(64, 174, 219);
/* oklch */ color: oklch(70.7% 0.117 229.2);

Tailwind

colors: {
  custom: {
    50: '#88c6e6',
    500: '#40aedb',
    950: '#000000',
  },
}

SCSS

$custom: #40aedb;
$custom-light: #88c6e6;
$custom-dark: #000000;

JSON

{
  "hex": "#40aedb",
  "rgb": {
    "r": 64,
    "g": 174,
    "b": 219
  },
  "hsl": {
    "h": 197.419,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.70738,
    "c": 0.11749,
    "h": 229.2
  },
  "luminance": 0.36477
}

Semantic roles & 50–950 ramp

primary

#40AEDB

secondary

#DCAE9B

accent

#6F3DEB

background

#F9FCFE

surface

#F1F8FC

border

#CBD1D5

text

#0D1316

muted

#7E8284

Preview Lab

Preview with #40AEDB

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

Preview Lab → · Contrast checker → · Palette generator →