#40D3DA#40D3DA

#40D3DA is a light, vivid teal. Relative luminance 0.527; OKLCH L 79.4% C 0.120 H 199.7°. Best body text is #000000 at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#40D3DA
RGB	rgb(64, 211, 218)
HSL	hsl(183, 68%, 55%)
HSV	hsv(183, 71%, 85%)
CMYK	cmyk(70.6%, 3.2%, 0%, 14.5%)
CIE-LAB	lab(77.72, -35.43, -14.64)
CIE-LCH	lch(77.72, 38.34, 202.46°)
OKLab	oklab(79.45% -0.1133 -0.0406)
OKLCH	oklch(79.45% 0.12 199.7)
XYZ	xyz(38.0579, 52.7360, 74.4894)
Luminance	0.5274 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3DA #DA4740

analogous

#40DA94 #40D3DA #4086DA

triadic

#40D3DA #DA40D3 #D3DA40

tetradic

#40D3DA #9440DA #DA4740 #86DA40

square

#40D3DA #9440DA #DA4740 #86DA40

split-complementary

#40D3DA #DA4086 #DA9440

monochromatic

#1A8186 #24B2B9 #40D3DA #73DFE4 #A7EBEE

Accessibility & contrast

On white

1.82

#40D3DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.55

#40D3DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3DA

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3DA	#FFFFFF	#000000	##000000
##40D3DA	1.00	1.82	11.55	11.55
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.55	21.00	1.00	1.00
##000000	11.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4CADB

Deuteranopia (green-blind)

#ADB9DB

Tritanopia (blue-blind)

#00DBD5

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #40d3da;
/* rgb */ color: rgb(64, 211, 218);
/* oklch */ color: oklch(79.4% 0.120 199.7);

Tailwind

colors: {
  custom: {
    50: '#8be1e5',
    500: '#40d3da',
    950: '#000000',
  },
}

SCSS

$custom: #40d3da;
$custom-light: #8be1e5;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3da",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 218
  },
  "hsl": {
    "h": 182.727,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.79449,
    "c": 0.12036,
    "h": 199.7
  },
  "luminance": 0.5274
}

Semantic roles & 50–950 ramp

primary

#40D3DA

secondary

#8C3632

accent

#453DEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #40D3DA

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

Preview Lab → · Contrast checker → · Palette generator →