#40D1DB#40D1DB

#40D1DB is a light, moderate teal. Relative luminance 0.518; OKLCH L 79.0% C 0.120 H 201.8°. Best body text is #000000 at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#40D1DB
RGB	rgb(64, 209, 219)
HSL	hsl(184, 68%, 55%)
HSV	hsv(184, 71%, 86%)
CMYK	cmyk(70.8%, 4.6%, 0%, 14.1%)
CIE-LAB	lab(77.16, -34.20, -16.02)
CIE-LCH	lch(77.16, 37.77, 205.10°)
OKLab	oklab(79.01% -0.1109 -0.0445)
OKLCH	oklch(79.01% 0.12 201.8)
XYZ	xyz(37.6953, 51.8009, 75.0160)
Luminance	0.5181 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D1DB #DB4A40

analogous

#40DB97 #40D1DB #4083DB

triadic

#40D1DB #DB40D1 #D1DB40

tetradic

#40D1DB #9740DB #DB4A40 #83DB40

square

#40D1DB #9740DB #DB4A40 #83DB40

split-complementary

#40D1DB #DB4083 #DB9740

monochromatic

#198087 #23B1BB #40D1DB #73DDE5 #A7EAEE

Accessibility & contrast

On white

1.85

#40D1DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.36

#40D1DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D1DB

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D1DB	#FFFFFF	#000000	##000000
##40D1DB	1.00	1.85	11.36	11.36
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.36	21.00	1.00	1.00
##000000	11.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1C8DC

Deuteranopia (green-blind)

#ABB8DC

Tritanopia (blue-blind)

#00D9D4

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #40d1db;
/* rgb */ color: rgb(64, 209, 219);
/* oklch */ color: oklch(79.0% 0.120 201.8);

Tailwind

colors: {
  custom: {
    50: '#8bdfe6',
    500: '#40d1db',
    950: '#000000',
  },
}

SCSS

$custom: #40d1db;
$custom-light: #8bdfe6;
$custom-dark: #000000;

JSON

{
  "hex": "#40d1db",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 219
  },
  "hsl": {
    "h": 183.871,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.79009,
    "c": 0.11951,
    "h": 201.8
  },
  "luminance": 0.51805
}

Semantic roles & 50–950 ramp

primary

#40D1DB

secondary

#8D3832

accent

#483DEB

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #40D1DB

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

Preview Lab → · Contrast checker → · Palette generator →