#40CCE8#40CCE8

#40CCE8 is a light, vivid cyan. Relative luminance 0.501; OKLCH L 78.3% C 0.122 H 214.2°. Best body text is #000000 at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#40CCE8
RGB	rgb(64, 204, 232)
HSL	hsl(190, 79%, 58%)
HSV	hsv(190, 72%, 91%)
CMYK	cmyk(72.4%, 12.1%, 0%, 9%)
CIE-LAB	lab(76.13, -27.91, -24.57)
CIE-LCH	lch(76.13, 37.18, 221.37°)
OKLab	oklab(78.32% -0.1009 -0.0685)
OKLCH	oklch(78.32% 0.122 214.2)
XYZ	xyz(38.2665, 50.0974, 83.9813)
Luminance	0.5010 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CCE8 #E85C40

analogous

#40E8B0 #40CCE8 #4078E8

triadic

#40CCE8 #E840CC #CCE840

tetradic

#40CCE8 #B040E8 #E85C40 #78E840

square

#40CCE8 #B040E8 #E85C40 #78E840

split-complementary

#40CCE8 #E84078 #E8B040

monochromatic

#13849B #19B3D2 #40CCE8 #77DBEF #ADE9F5

Accessibility & contrast

On white

1.91

#40CCE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.02

#40CCE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CCE8

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CCE8	#FFFFFF	#000000	##000000
##40CCE8	1.00	1.91	11.02	11.02
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.02	21.00	1.00	1.00
##000000	11.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8C5EA

Deuteranopia (green-blind)

#A1B4E8

Tritanopia (blue-blind)

#00D7D5

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #40cce8;
/* rgb */ color: rgb(64, 204, 232);
/* oklch */ color: oklch(78.3% 0.122 214.2);

Tailwind

colors: {
  custom: {
    50: '#8cdcef',
    500: '#40cce8',
    950: '#000000',
  },
}

SCSS

$custom: #40cce8;
$custom-light: #8cdcef;
$custom-dark: #000000;

JSON

{
  "hex": "#40cce8",
  "rgb": {
    "r": 64,
    "g": 204,
    "b": 232
  },
  "hsl": {
    "h": 190,
    "s": 78.505,
    "l": 58.039
  },
  "oklch": {
    "l": 0.78318,
    "c": 0.12192,
    "h": 214.2
  },
  "luminance": 0.50102
}

Semantic roles & 50–950 ramp

primary

#40CCE8

secondary

#9E412E

accent

#5333F5

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #40CCE8

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

Preview Lab → · Contrast checker → · Palette generator →