#40D3BC#40D3BC

#40D3BC is a light, vivid teal. Relative luminance 0.513; OKLCH L 78.5% C 0.126 H 180.1°. Best body text is #000000 at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#40D3BC
RGB	rgb(64, 211, 188)
HSL	hsl(171, 63%, 54%)
HSV	hsv(171, 70%, 83%)
CMYK	cmyk(69.7%, 0%, 10.9%, 17.3%)
CIE-LAB	lab(76.86, -43.67, 0.20)
CIE-LCH	lch(76.86, 43.67, 179.74°)
OKLab	oklab(78.47% -0.1264 -0.0002)
OKLCH	oklch(78.47% 0.126 180.1)
XYZ	xyz(34.4813, 51.3054, 55.6529)
Luminance	0.5131 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D3BC #D34057

analogous

#40D373 #40D3BC #40A1D3

triadic

#40D3BC #BC40D3 #D3BC40

tetradic

#40D3BC #7340D3 #D34057 #A1D340

square

#40D3BC #7340D3 #D34057 #A1D340

split-complementary

#40D3BC #D340A1 #D37340

monochromatic

#1D7C6D #28AE99 #40D3BC #72DECD #A3EADF

Accessibility & contrast

On white

1.86

#40D3BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.26

#40D3BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D3BC

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D3BC	#FFFFFF	#000000	##000000
##40D3BC	1.00	1.86	11.26	11.26
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.26	21.00	1.00	1.00
##000000	11.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAC7BB

Deuteranopia (green-blind)

#B5B7BE

Tritanopia (blue-blind)

#00D7CC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #40d3bc;
/* rgb */ color: rgb(64, 211, 188);
/* oklch */ color: oklch(78.5% 0.126 180.1);

Tailwind

colors: {
  custom: {
    50: '#89e1d0',
    500: '#40d3bc',
    950: '#000000',
  },
}

SCSS

$custom: #40d3bc;
$custom-light: #89e1d0;
$custom-dark: #000000;

JSON

{
  "hex": "#40d3bc",
  "rgb": {
    "r": 64,
    "g": 211,
    "b": 188
  },
  "hsl": {
    "h": 170.612,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.78471,
    "c": 0.12639,
    "h": 180.1
  },
  "luminance": 0.51309
}

Semantic roles & 50–950 ramp

primary

#40D3BC

secondary

#843340

accent

#425CE6

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1513

muted

#7F8483

Preview Lab

Preview with #40D3BC

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

Preview Lab → · Contrast checker → · Palette generator →