#40D9D8#40D9D8

#40D9D8 is a light, vivid teal. Relative luminance 0.557; OKLCH L 80.8% C 0.124 H 194.3°. Best body text is #000000 at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#40D9D8
RGB	rgb(64, 217, 216)
HSL	hsl(180, 67%, 55%)
HSV	hsv(180, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 0.5%, 14.9%)
CIE-LAB	lab(79.42, -38.77, -11.02)
CIE-LCH	lch(79.42, 40.30, 195.87°)
OKLab	oklab(80.81% -0.12 -0.0306)
OKLCH	oklch(80.81% 0.124 194.3)
XYZ	xyz(39.3162, 55.6689, 73.6255)
Luminance	0.5567 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D9D8 #D94041

analogous

#40D98C #40D9D8 #408DD9

triadic

#40D9D8 #D840D9 #D9D840

tetradic

#40D9D8 #8C40D9 #D94041 #8DD940

square

#40D9D8 #8C40D9 #D94041 #8DD940

split-complementary

#40D9D8 #D9408D #D98C40

monochromatic

#1A8484 #24B7B6 #40D9D8 #73E3E2 #A6EDED

Accessibility & contrast

On white

1.73

#40D9D8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.13

#40D9D8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9D8

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D9D8	#FFFFFF	#000000	##000000
##40D9D8	1.00	1.73	12.13	12.13
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.13	21.00	1.00	1.00
##000000	12.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CBCED8

Deuteranopia (green-blind)

#B5BED9

Tritanopia (blue-blind)

#00E0D8

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #40d9d8;
/* rgb */ color: rgb(64, 217, 216);
/* oklch */ color: oklch(80.8% 0.124 194.3);

Tailwind

colors: {
  custom: {
    50: '#8be5e4',
    500: '#40d9d8',
    950: '#000000',
  },
}

SCSS

$custom: #40d9d8;
$custom-light: #8be5e4;
$custom-dark: #000000;

JSON

{
  "hex": "#40d9d8",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 216
  },
  "hsl": {
    "h": 179.608,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80813,
    "c": 0.12381,
    "h": 194.3
  },
  "luminance": 0.55674
}

Semantic roles & 50–950 ramp

primary

#40D9D8

secondary

#8B3233

accent

#3E3FEA

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1615

muted

#7F8484

Preview Lab

Preview with #40D9D8

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

Preview Lab → · Contrast checker → · Palette generator →