#40E3E4#40E3E4

#40E3E4 is a very light, vivid teal. Relative luminance 0.616; OKLCH L 83.6% C 0.129 H 195.6°. Best body text is #000000 at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#40E3E4
RGB	rgb(64, 227, 228)
HSL	hsl(180, 75%, 57%)
HSV	hsv(180, 72%, 89%)
CMYK	cmyk(71.9%, 0.4%, 0%, 10.6%)
CIE-LAB	lab(82.71, -39.93, -12.49)
CIE-LCH	lch(82.71, 41.84, 197.37°)
OKLab	oklab(83.6% -0.1245 -0.0347)
OKLCH	oklch(83.6% 0.129 195.6)
XYZ	xyz(43.5806, 61.6244, 82.9816)
Luminance	0.6163 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E3E4 #E44140

analogous

#40E493 #40E3E4 #4091E4

triadic

#40E3E4 #E440E3 #E3E440

tetradic

#40E3E4 #9340E4 #E44140 #91E440

square

#40E3E4 #9340E4 #E44140 #91E440

split-complementary

#40E3E4 #E44091 #E49340

monochromatic

#159495 #1DC9CA #40E3E4 #76EBEC #ABF3F3

Accessibility & contrast

On white

1.58

#40E3E4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.33

#40E3E4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E3E4

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E3E4	#FFFFFF	#000000	##000000
##40E3E4	1.00	1.58	13.33	13.33
#FFFFFF	1.58	1.00	21.00	21.00
#000000	13.33	21.00	1.00	1.00
##000000	13.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4D8E4

Deuteranopia (green-blind)

#BCC6E5

Tritanopia (blue-blind)

#00EAE3

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #40e3e4;
/* rgb */ color: rgb(64, 227, 228);
/* oklch */ color: oklch(83.6% 0.129 195.6);

Tailwind

colors: {
  custom: {
    50: '#8eecec',
    500: '#40e3e4',
    950: '#000000',
  },
}

SCSS

$custom: #40e3e4;
$custom-light: #8eecec;
$custom-dark: #000000;

JSON

{
  "hex": "#40e3e4",
  "rgb": {
    "r": 64,
    "g": 227,
    "b": 228
  },
  "hsl": {
    "h": 180.366,
    "s": 75.229,
    "l": 57.255
  },
  "oklch": {
    "l": 0.836,
    "c": 0.12923,
    "h": 195.6
  },
  "luminance": 0.6163
}

Semantic roles & 50–950 ramp

primary

#40E3E4

secondary

#99302F

accent

#3736F2

background

#FCFFFE

surface

#F5FEFD

border

#CFD6D5

text

#0E1616

muted

#7F8584

Preview Lab

Preview with #40E3E4

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

Preview Lab → · Contrast checker → · Palette generator →