#40C2EA#40C2EA

#40C2EA is a light, vivid cyan. Relative luminance 0.456; OKLCH L 76.1% C 0.123 H 222.8°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#40C2EA
RGB	rgb(64, 194, 234)
HSL	hsl(194, 80%, 58%)
HSV	hsv(194, 73%, 92%)
CMYK	cmyk(72.6%, 17.1%, 0%, 8.2%)
CIE-LAB	lab(73.29, -22.27, -30.00)
CIE-LCH	lch(73.29, 37.37, 233.41°)
OKLab	oklab(76.06% -0.0906 -0.0839)
OKLCH	oklch(76.06% 0.123 222.8)
XYZ	xyz(36.2513, 45.6098, 84.7190)
Luminance	0.4561 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C2EA #EA6840

analogous

#40EABD #40C2EA #406DEA

triadic

#40C2EA #EA40C2 #C2EA40

tetradic

#40C2EA #BD40EA #EA6840 #6DEA40

square

#40C2EA #BD40EA #EA6840 #6DEA40

split-complementary

#40C2EA #EA406D #EABD40

monochromatic

#117D9E #17A9D5 #40C2EA #77D4F0 #AEE5F6

Accessibility & contrast

On white

2.07

#40C2EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#40C2EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C2EA

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C2EA	#FFFFFF	#000000	##000000
##40C2EA	1.00	2.07	10.12	10.12
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABBDEC

Deuteranopia (green-blind)

#94ADEA

Tritanopia (blue-blind)

#00CECF

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #40c2ea;
/* rgb */ color: rgb(64, 194, 234);
/* oklch */ color: oklch(76.1% 0.123 222.8);

Tailwind

colors: {
  custom: {
    50: '#8bd4f0',
    500: '#40c2ea',
    950: '#000000',
  },
}

SCSS

$custom: #40c2ea;
$custom-light: #8bd4f0;
$custom-dark: #000000;

JSON

{
  "hex": "#40c2ea",
  "rgb": {
    "r": 64,
    "g": 194,
    "b": 234
  },
  "hsl": {
    "h": 194.118,
    "s": 80.189,
    "l": 58.431
  },
  "oklch": {
    "l": 0.76062,
    "c": 0.12349,
    "h": 222.8
  },
  "luminance": 0.45614
}

Semantic roles & 50–950 ramp

primary

#40C2EA

secondary

#E5B1A1

accent

#6031F7

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #40C2EA

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

Preview Lab → · Contrast checker → · Palette generator →