#40BEFF#40BEFF

#40BEFF is a light, vivid cyan. Relative luminance 0.451; OKLCH L 76.1% C 0.142 H 236.0°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#40BEFF
RGB	rgb(64, 190, 255)
HSL	hsl(200, 100%, 63%)
HSV	hsv(200, 75%, 100%)
CMYK	cmyk(74.9%, 25.5%, 0%, 0%)
CIE-LAB	lab(72.98, -13.35, -41.81)
CIE-LCH	lch(72.98, 43.89, 252.29°)
OKLab	oklab(76.09% -0.0796 -0.118)
OKLCH	oklch(76.09% 0.142 236)
XYZ	xyz(38.5706, 45.1323, 101.2669)
Luminance	0.4514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BEFF #FF8140

analogous

#40FFE1 #40BEFF #405EFF

triadic

#40BEFF #FF40BE #BEFF40

tetradic

#40BEFF #E140FF #FF8140 #5EFF40

square

#40BEFF #E140FF #FF8140 #5EFF40

split-complementary

#40BEFF #FF405E #FFE140

monochromatic

#0082C5 #03A9FF #40BEFF #7DD3FF #BAE8FF

Accessibility & contrast

On white

2.09

#40BEFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#40BEFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BEFF

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BEFF	#FFFFFF	#000000	##000000
##40BEFF	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FBDFF

Deuteranopia (green-blind)

#85ABFE

Tritanopia (blue-blind)

#00CFD4

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #40beff;
/* rgb */ color: rgb(64, 190, 255);
/* oklch */ color: oklch(76.1% 0.142 236.0);

Tailwind

colors: {
  custom: {
    50: '#8ed1ff',
    500: '#40beff',
    950: '#000000',
  },
}

SCSS

$custom: #40beff;
$custom-light: #8ed1ff;
$custom-dark: #000000;

JSON

{
  "hex": "#40beff",
  "rgb": {
    "r": 64,
    "g": 190,
    "b": 255
  },
  "hsl": {
    "h": 200.419,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.76088,
    "c": 0.14229,
    "h": 236
  },
  "luminance": 0.45137
}

Semantic roles & 50–950 ramp

primary

#40BEFF

secondary

#F0C2AB

accent

#4E00E6

background

#F9FCFF

surface

#F2F9FF

border

#CCD2D7

text

#0E1418

muted

#7E8286

Preview Lab

Preview with #40BEFF

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

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