#40D7E3#40D7E3

#40D7E3 is a light, vivid teal. Relative luminance 0.552; OKLCH L 80.7% C 0.123 H 202.9°. Best body text is #000000 at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#40D7E3
RGB	rgb(64, 215, 227)
HSL	hsl(184, 74%, 57%)
HSV	hsv(184, 72%, 89%)
CMYK	cmyk(71.8%, 5.3%, 0%, 11%)
CIE-LAB	lab(79.17, -34.69, -17.27)
CIE-LCH	lch(79.17, 38.75, 206.47°)
OKLab	oklab(80.72% -0.1134 -0.048)
OKLCH	oklch(80.72% 0.123 202.9)
XYZ	xyz(40.2738, 55.2321, 81.1964)
Luminance	0.5524 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D7E3 #E34C40

analogous

#40E39D #40D7E3 #4086E3

triadic

#40D7E3 #E340D7 #D7E340

tetradic

#40D7E3 #9D40E3 #E34C40 #86E340

square

#40D7E3 #9D40E3 #E34C40 #86E340

split-complementary

#40D7E3 #E34086 #E39D40

monochromatic

#168A93 #1DBCC8 #40D7E3 #75E2EB #ABEDF3

Accessibility & contrast

On white

1.74

#40D7E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.05

#40D7E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D7E3

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D7E3	#FFFFFF	#000000	##000000
##40D7E3	1.00	1.74	12.05	12.05
#FFFFFF	1.74	1.00	21.00	21.00
#000000	12.05	21.00	1.00	1.00
##000000	12.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6CEE4

Deuteranopia (green-blind)

#AFBDE4

Tritanopia (blue-blind)

#00E0DA

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #40d7e3;
/* rgb */ color: rgb(64, 215, 227);
/* oklch */ color: oklch(80.7% 0.123 202.9);

Tailwind

colors: {
  custom: {
    50: '#8ce4eb',
    500: '#40d7e3',
    950: '#000000',
  },
}

SCSS

$custom: #40d7e3;
$custom-light: #8ce4eb;
$custom-dark: #000000;

JSON

{
  "hex": "#40d7e3",
  "rgb": {
    "r": 64,
    "g": 215,
    "b": 227
  },
  "hsl": {
    "h": 184.417,
    "s": 74.429,
    "l": 57.059
  },
  "oklch": {
    "l": 0.80722,
    "c": 0.12315,
    "h": 202.9
  },
  "luminance": 0.55237
}

Semantic roles & 50–950 ramp

primary

#40D7E3

secondary

#973730

accent

#4437F1

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #40D7E3

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

Preview Lab → · Contrast checker → · Palette generator →