#40C2E1#40C2E1

#40C2E1 is a light, moderate cyan. Relative luminance 0.451; OKLCH L 75.7% C 0.118 H 217.3°. Best body text is #000000 at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#40C2E1
RGB	rgb(64, 194, 225)
HSL	hsl(192, 73%, 57%)
HSV	hsv(192, 72%, 88%)
CMYK	cmyk(71.6%, 13.8%, 0%, 11.8%)
CIE-LAB	lab(72.96, -25.10, -25.63)
CIE-LCH	lch(72.96, 35.88, 225.60°)
OKLab	oklab(75.69% -0.094 -0.0715)
OKLCH	oklch(75.69% 0.118 217.3)
XYZ	xyz(34.9910, 45.1057, 78.0817)
Luminance	0.4511 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C2E1 #E15F40

analogous

#40E1B0 #40C2E1 #4072E1

triadic

#40C2E1 #E140C2 #C2E140

tetradic

#40C2E1 #B040E1 #E15F40 #72E140

square

#40C2E1 #B040E1 #E15F40 #72E140

split-complementary

#40C2E1 #E14072 #E1B040

monochromatic

#177990 #1FA5C5 #40C2E1 #75D3E9 #AAE4F2

Accessibility & contrast

On white

2.10

#40C2E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.02

#40C2E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C2E1

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C2E1	#FFFFFF	#000000	##000000
##40C2E1	1.00	2.10	10.02	10.02
#FFFFFF	2.10	1.00	21.00	21.00
#000000	10.02	21.00	1.00	1.00
##000000	10.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEBCE3

Deuteranopia (green-blind)

#97ACE1

Tritanopia (blue-blind)

#00CDCC

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #40c2e1;
/* rgb */ color: rgb(64, 194, 225);
/* oklch */ color: oklch(75.7% 0.118 217.3);

Tailwind

colors: {
  custom: {
    50: '#8ad4ea',
    500: '#40c2e1',
    950: '#000000',
  },
}

SCSS

$custom: #40c2e1;
$custom-light: #8ad4ea;
$custom-dark: #000000;

JSON

{
  "hex": "#40c2e1",
  "rgb": {
    "r": 64,
    "g": 194,
    "b": 225
  },
  "hsl": {
    "h": 191.553,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.75687,
    "c": 0.11808,
    "h": 217.3
  },
  "luminance": 0.4511
}

Semantic roles & 50–950 ramp

primary

#40C2E1

secondary

#DFAA9D

accent

#5C38F0

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #40C2E1

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

Preview Lab → · Contrast checker → · Palette generator →