#40CAFF#40CAFF

#40CAFF is a light, vivid cyan. Relative luminance 0.506; OKLCH L 78.8% C 0.137 H 228.6°. Best body text is #000000 at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#40CAFF
RGB	rgb(64, 202, 255)
HSL	hsl(197, 100%, 63%)
HSV	hsv(197, 75%, 100%)
CMYK	cmyk(74.9%, 20.8%, 0%, 0%)
CIE-LAB	lab(76.40, -19.65, -36.49)
CIE-LCH	lch(76.40, 41.44, 241.70°)
OKLab	oklab(78.82% -0.0905 -0.1025)
OKLCH	oklch(78.82% 0.137 228.6)
XYZ	xyz(41.2775, 50.5461, 102.1692)
Luminance	0.5055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CAFF #FF7540

analogous

#40FFD4 #40CAFF #406BFF

triadic

#40CAFF #FF40CA #CAFF40

tetradic

#40CAFF #D440FF #FF7540 #6BFF40

square

#40CAFF #D440FF #FF7540 #6BFF40

split-complementary

#40CAFF #FF406B #FFD440

monochromatic

#008EC5 #03B9FF #40CAFF #7DDBFF #BAECFF

Accessibility & contrast

On white

1.89

#40CAFF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.11

#40CAFF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CAFF

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CAFF	#FFFFFF	#000000	##000000
##40CAFF	1.00	1.89	11.11	11.11
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.11	21.00	1.00	1.00
##000000	11.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEC7FF

Deuteranopia (green-blind)

#95B4FE

Tritanopia (blue-blind)

#00D9DC

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #40caff;
/* rgb */ color: rgb(64, 202, 255);
/* oklch */ color: oklch(78.8% 0.137 228.6);

Tailwind

colors: {
  custom: {
    50: '#8fdaff',
    500: '#40caff',
    950: '#000000',
  },
}

SCSS

$custom: #40caff;
$custom-light: #8fdaff;
$custom-dark: #000000;

JSON

{
  "hex": "#40caff",
  "rgb": {
    "r": 64,
    "g": 202,
    "b": 255
  },
  "hsl": {
    "h": 196.649,
    "s": 100,
    "l": 62.549
  },
  "oklch": {
    "l": 0.7882,
    "c": 0.13673,
    "h": 228.6
  },
  "luminance": 0.50551
}

Semantic roles & 50–950 ramp

primary

#40CAFF

secondary

#C14E22

accent

#4000E6

background

#FCFEFF

surface

#F5FBFF

border

#CFD4D7

text

#0E1418

muted

#7F8386

Preview Lab

Preview with #40CAFF

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

Preview Lab → · Contrast checker → · Palette generator →