#40DDE8#40DDE8

#40DDE8 is a very light, vivid teal. Relative luminance 0.586; OKLCH L 82.3% C 0.126 H 202.0°. Best body text is #000000 at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#40DDE8
RGB	rgb(64, 221, 232)
HSL	hsl(184, 79%, 58%)
HSV	hsv(184, 72%, 91%)
CMYK	cmyk(72.4%, 4.7%, 0%, 9%)
CIE-LAB	lab(81.08, -36.03, -17.06)
CIE-LCH	lch(81.08, 39.87, 205.33°)
OKLab	oklab(82.32% -0.1171 -0.0474)
OKLCH	oklch(82.32% 0.126 202)
XYZ	xyz(42.5298, 58.6240, 85.4024)
Luminance	0.5863 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DDE8 #E84B40

analogous

#40E89F #40DDE8 #4089E8

triadic

#40DDE8 #E840DD #DDE840

tetradic

#40DDE8 #9F40E8 #E84B40 #89E840

square

#40DDE8 #9F40E8 #E84B40 #89E840

split-complementary

#40DDE8 #E84089 #E89F40

monochromatic

#13929B #19C5D2 #40DDE8 #77E7EF #ADF0F5

Accessibility & contrast

On white

1.65

#40DDE8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.73

#40DDE8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DDE8

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DDE8	#FFFFFF	#000000	##000000
##40DDE8	1.00	1.65	12.73	12.73
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.73	21.00	1.00	1.00
##000000	12.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCD3E9

Deuteranopia (green-blind)

#B4C2E9

Tritanopia (blue-blind)

#00E6E0

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #40dde8;
/* rgb */ color: rgb(64, 221, 232);
/* oklch */ color: oklch(82.3% 0.126 202.0);

Tailwind

colors: {
  custom: {
    50: '#8de8ef',
    500: '#40dde8',
    950: '#000000',
  },
}

SCSS

$custom: #40dde8;
$custom-light: #8de8ef;
$custom-dark: #000000;

JSON

{
  "hex": "#40dde8",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 232
  },
  "hsl": {
    "h": 183.929,
    "s": 78.505,
    "l": 58.039
  },
  "oklch": {
    "l": 0.8232,
    "c": 0.12632,
    "h": 202
  },
  "luminance": 0.58629
}

Semantic roles & 50–950 ramp

primary

#40DDE8

secondary

#9E352E

accent

#4033F5

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1616

muted

#7F8485

Preview Lab

Preview with #40DDE8

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

Preview Lab → · Contrast checker → · Palette generator →