#40C6E1#40C6E1

#40C6E1 is a light, moderate cyan. Relative luminance 0.469; OKLCH L 76.6% C 0.118 H 214.2°. Best body text is #000000 at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#40C6E1
RGB	rgb(64, 198, 225)
HSL	hsl(190, 73%, 57%)
HSV	hsv(190, 72%, 88%)
CMYK	cmyk(71.6%, 12%, 0%, 11.8%)
CIE-LAB	lab(74.13, -27.10, -23.85)
CIE-LCH	lch(74.13, 36.09, 221.35°)
OKLab	oklab(76.63% -0.0978 -0.0664)
OKLCH	oklch(76.63% 0.118 214.2)
XYZ	xyz(35.8933, 46.9102, 78.3824)
Luminance	0.4691 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C6E1 #E15B40

analogous

#40E1AC #40C6E1 #4076E1

triadic

#40C6E1 #E140C6 #C6E140

tetradic

#40C6E1 #AC40E1 #E15B40 #76E140

square

#40C6E1 #AC40E1 #E15B40 #76E140

split-complementary

#40C6E1 #E14076 #E1AC40

monochromatic

#177C90 #1FA9C5 #40C6E1 #75D6E9 #AAE6F2

Accessibility & contrast

On white

2.02

#40C6E1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.38

#40C6E1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C6E1

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C6E1	#FFFFFF	#000000	##000000
##40C6E1	1.00	2.02	10.38	10.38
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.38	21.00	1.00	1.00
##000000	10.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2C0E3

Deuteranopia (green-blind)

#9CAFE1

Tritanopia (blue-blind)

#00D0CE

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #40c6e1;
/* rgb */ color: rgb(64, 198, 225);
/* oklch */ color: oklch(76.6% 0.118 214.2);

Tailwind

colors: {
  custom: {
    50: '#8ad7ea',
    500: '#40c6e1',
    950: '#000000',
  },
}

SCSS

$custom: #40c6e1;
$custom-light: #8ad7ea;
$custom-dark: #000000;

JSON

{
  "hex": "#40c6e1",
  "rgb": {
    "r": 64,
    "g": 198,
    "b": 225
  },
  "hsl": {
    "h": 190.062,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.76629,
    "c": 0.11826,
    "h": 214.2
  },
  "luminance": 0.46914
}

Semantic roles & 50–950 ramp

primary

#40C6E1

secondary

#DFA99D

accent

#5738F0

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #40C6E1

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

Preview Lab → · Contrast checker → · Palette generator →