#40D5E3#40D5E3

#40D5E3 is a light, vivid teal. Relative luminance 0.542; OKLCH L 80.2% C 0.122 H 204.3°. Best body text is #000000 at 11.85:1 contrast (WCAG AA passes).

Color values

HEX	#40D5E3
RGB	rgb(64, 213, 227)
HSL	hsl(185, 74%, 57%)
HSV	hsv(185, 72%, 89%)
CMYK	cmyk(71.8%, 6.2%, 0%, 11%)
CIE-LAB	lab(78.59, -33.75, -18.15)
CIE-LCH	lch(78.59, 38.32, 208.28°)
OKLab	oklab(80.25% -0.1115 -0.0504)
OKLCH	oklch(80.25% 0.122 204.3)
XYZ	xyz(39.7676, 54.2198, 81.0277)
Luminance	0.5423 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D5E3 #E34E40

analogous

#40E39F #40D5E3 #4084E3

triadic

#40D5E3 #E340D5 #D5E340

tetradic

#40D5E3 #9F40E3 #E34E40 #84E340

square

#40D5E3 #9F40E3 #E34E40 #84E340

split-complementary

#40D5E3 #E34084 #E39F40

monochromatic

#168893 #1DBAC8 #40D5E3 #75E1EB #ABECF3

Accessibility & contrast

On white

1.77

#40D5E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.85

#40D5E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D5E3

11.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D5E3	#FFFFFF	#000000	##000000
##40D5E3	1.00	1.77	11.85	11.85
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.85	21.00	1.00	1.00
##000000	11.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4CCE4

Deuteranopia (green-blind)

#ADBBE4

Tritanopia (blue-blind)

#00DED9

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #40d5e3;
/* rgb */ color: rgb(64, 213, 227);
/* oklch */ color: oklch(80.2% 0.122 204.3);

Tailwind

colors: {
  custom: {
    50: '#8ce2eb',
    500: '#40d5e3',
    950: '#000000',
  },
}

SCSS

$custom: #40d5e3;
$custom-light: #8ce2eb;
$custom-dark: #000000;

JSON

{
  "hex": "#40d5e3",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 227
  },
  "hsl": {
    "h": 185.153,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.80248,
    "c": 0.12237,
    "h": 204.3
  },
  "luminance": 0.54225
}

Semantic roles & 50–950 ramp

primary

#40D5E3

secondary

#973930

accent

#4737F1

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #40D5E3

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

Preview Lab → · Contrast checker → · Palette generator →