#40DDE3#40DDE3

#40DDE3 is a very light, vivid teal. Relative luminance 0.583; OKLCH L 82.1% C 0.126 H 198.8°. Best body text is #000000 at 12.67:1 contrast (WCAG AA passes).

Color values

HEX	#40DDE3
RGB	rgb(64, 221, 227)
HSL	hsl(182, 74%, 57%)
HSV	hsv(182, 72%, 89%)
CMYK	cmyk(71.8%, 2.6%, 0%, 11%)
CIE-LAB	lab(80.93, -37.48, -14.63)
CIE-LCH	lch(80.93, 40.23, 201.33°)
OKLab	oklab(82.14% -0.1192 -0.0406)
OKLCH	oklch(82.14% 0.126 198.8)
XYZ	xyz(41.8297, 58.3439, 81.7151)
Luminance	0.5835 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DDE3 #E34640

analogous

#40E398 #40DDE3 #408BE3

triadic

#40DDE3 #E340DD #DDE340

tetradic

#40DDE3 #9840E3 #E34640 #8BE340

square

#40DDE3 #9840E3 #E34640 #8BE340

split-complementary

#40DDE3 #E3408B #E39840

monochromatic

#168E93 #1DC2C8 #40DDE3 #75E7EB #ABF0F3

Accessibility & contrast

On white

1.66

#40DDE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.67

#40DDE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DDE3

12.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DDE3	#FFFFFF	#000000	##000000
##40DDE3	1.00	1.66	12.67	12.67
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.67	21.00	1.00	1.00
##000000	12.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDD3E4

Deuteranopia (green-blind)

#B6C2E4

Tritanopia (blue-blind)

#00E5DE

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #40dde3;
/* rgb */ color: rgb(64, 221, 227);
/* oklch */ color: oklch(82.1% 0.126 198.8);

Tailwind

colors: {
  custom: {
    50: '#8de8eb',
    500: '#40dde3',
    950: '#000000',
  },
}

SCSS

$custom: #40dde3;
$custom-light: #8de8eb;
$custom-dark: #000000;

JSON

{
  "hex": "#40dde3",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 227
  },
  "hsl": {
    "h": 182.209,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.82143,
    "c": 0.12591,
    "h": 198.8
  },
  "luminance": 0.58349
}

Semantic roles & 50–950 ramp

primary

#40DDE3

secondary

#973430

accent

#3E37F1

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #40DDE3

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

Preview Lab → · Contrast checker → · Palette generator →