#40C4E2#40C4E2

#40C4E2 is a light, moderate cyan. Relative luminance 0.461; OKLCH L 76.2% C 0.119 H 216.4°. Best body text is #000000 at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#40C4E2
RGB	rgb(64, 196, 226)
HSL	hsl(191, 74%, 57%)
HSV	hsv(191, 72%, 89%)
CMYK	cmyk(71.7%, 13.3%, 0%, 11.4%)
CIE-LAB	lab(73.58, -25.79, -25.23)
CIE-LCH	lch(73.58, 36.08, 224.36°)
OKLab	oklab(76.2% -0.0955 -0.0704)
OKLCH	oklch(76.2% 0.119 216.4)
XYZ	xyz(35.5760, 46.0567, 78.9516)
Luminance	0.4606 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C4E2 #E25E40

analogous

#40E2AF #40C4E2 #4073E2

triadic

#40C4E2 #E240C4 #C4E240

tetradic

#40C4E2 #AF40E2 #E25E40 #73E240

square

#40C4E2 #AF40E2 #E25E40 #73E240

split-complementary

#40C4E2 #E24073 #E2AF40

monochromatic

#167B92 #1EA7C7 #40C4E2 #75D4EA #AAE5F2

Accessibility & contrast

On white

2.06

#40C4E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.21

#40C4E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C4E2

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C4E2	#FFFFFF	#000000	##000000
##40C4E2	1.00	2.06	10.21	10.21
#FFFFFF	2.06	1.00	21.00	21.00
#000000	10.21	21.00	1.00	1.00
##000000	10.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0BEE4

Deuteranopia (green-blind)

#99AEE2

Tritanopia (blue-blind)

#00CFCD

Achromatopsia (no color)

#B5B5B5

Design tokens & code

CSS

--color: #40c4e2;
/* rgb */ color: rgb(64, 196, 226);
/* oklch */ color: oklch(76.2% 0.119 216.4);

Tailwind

colors: {
  custom: {
    50: '#8ad6eb',
    500: '#40c4e2',
    950: '#000000',
  },
}

SCSS

$custom: #40c4e2;
$custom-light: #8ad6eb;
$custom-dark: #000000;

JSON

{
  "hex": "#40c4e2",
  "rgb": {
    "r": 64,
    "g": 196,
    "b": 226
  },
  "hsl": {
    "h": 191.111,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.76198,
    "c": 0.11862,
    "h": 216.4
  },
  "luminance": 0.46061
}

Semantic roles & 50–950 ramp

primary

#40C4E2

secondary

#E0AA9E

accent

#5A38F0

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #40C4E2

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

Preview Lab → · Contrast checker → · Palette generator →