#40DCE9#40DCE9

#40DCE9 is a very light, vivid teal. Relative luminance 0.582; OKLCH L 82.1% C 0.126 H 203.3°. Best body text is #000000 at 12.63:1 contrast (WCAG AA passes).

Color values

HEX	#40DCE9
RGB	rgb(64, 220, 233)
HSL	hsl(185, 79%, 58%)
HSV	hsv(185, 73%, 91%)
CMYK	cmyk(72.5%, 5.6%, 0%, 8.6%)
CIE-LAB	lab(80.82, -35.28, -17.98)
CIE-LCH	lch(80.82, 39.60, 207.01°)
OKLab	oklab(82.12% -0.1157 -0.0499)
OKLCH	oklch(82.12% 0.126 203.3)
XYZ	xyz(42.4090, 58.1545, 86.0648)
Luminance	0.5816 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DCE9 #E94D40

analogous

#40E9A1 #40DCE9 #4088E9

triadic

#40DCE9 #E940DC #DCE940

tetradic

#40DCE9 #A140E9 #E94D40 #88E940

square

#40DCE9 #A140E9 #E94D40 #88E940

split-complementary

#40DCE9 #E94088 #E9A140

monochromatic

#12929D #18C5D3 #40DCE9 #77E6EF #AEF0F6

Accessibility & contrast

On white

1.66

#40DCE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.63

#40DCE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DCE9

12.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DCE9	#FFFFFF	#000000	##000000
##40DCE9	1.00	1.66	12.63	12.63
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.63	21.00	1.00	1.00
##000000	12.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBD3EA

Deuteranopia (green-blind)

#B3C1EA

Tritanopia (blue-blind)

#00E5E0

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #40dce9;
/* rgb */ color: rgb(64, 220, 233);
/* oklch */ color: oklch(82.1% 0.126 203.3);

Tailwind

colors: {
  custom: {
    50: '#8de7f0',
    500: '#40dce9',
    950: '#000000',
  },
}

SCSS

$custom: #40dce9;
$custom-light: #8de7f0;
$custom-dark: #000000;

JSON

{
  "hex": "#40dce9",
  "rgb": {
    "r": 64,
    "g": 220,
    "b": 233
  },
  "hsl": {
    "h": 184.615,
    "s": 79.343,
    "l": 58.235
  },
  "oklch": {
    "l": 0.8212,
    "c": 0.12606,
    "h": 203.3
  },
  "luminance": 0.5816
}

Semantic roles & 50–950 ramp

primary

#40DCE9

secondary

#A0362E

accent

#4132F6

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1616

muted

#7F8485

Preview Lab

Preview with #40DCE9

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

Preview Lab → · Contrast checker → · Palette generator →