#40D4DB#40D4DB

#40D4DB is a light, vivid teal. Relative luminance 0.533; OKLCH L 79.7% C 0.121 H 199.7°. Best body text is #000000 at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#40D4DB
RGB	rgb(64, 212, 219)
HSL	hsl(183, 68%, 55%)
HSV	hsv(183, 71%, 86%)
CMYK	cmyk(70.8%, 3.2%, 0%, 14.1%)
CIE-LAB	lab(78.04, -35.61, -14.69)
CIE-LCH	lch(78.04, 38.52, 202.42°)
OKLab	oklab(79.72% -0.1138 -0.0408)
OKLCH	oklch(79.72% 0.121 199.7)
XYZ	xyz(38.4383, 53.2869, 75.2637)
Luminance	0.5329 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D4DB #DB4740

analogous

#40DB95 #40D4DB #4086DB

triadic

#40D4DB #DB40D4 #D4DB40

tetradic

#40D4DB #9540DB #DB4740 #86DB40

square

#40D4DB #9540DB #DB4740 #86DB40

split-complementary

#40D4DB #DB4086 #DB9540

monochromatic

#198287 #23B4BB #40D4DB #73E0E5 #A7EBEE

Accessibility & contrast

On white

1.80

#40D4DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.66

#40D4DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D4DB

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D4DB	#FFFFFF	#000000	##000000
##40D4DB	1.00	1.80	11.66	11.66
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.66	21.00	1.00	1.00
##000000	11.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5CADC

Deuteranopia (green-blind)

#AEBADC

Tritanopia (blue-blind)

#00DCD6

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #40d4db;
/* rgb */ color: rgb(64, 212, 219);
/* oklch */ color: oklch(79.7% 0.121 199.7);

Tailwind

colors: {
  custom: {
    50: '#8be1e6',
    500: '#40d4db',
    950: '#000000',
  },
}

SCSS

$custom: #40d4db;
$custom-light: #8be1e6;
$custom-dark: #000000;

JSON

{
  "hex": "#40d4db",
  "rgb": {
    "r": 64,
    "g": 212,
    "b": 219
  },
  "hsl": {
    "h": 182.71,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.79723,
    "c": 0.12093,
    "h": 199.7
  },
  "luminance": 0.53291
}

Semantic roles & 50–950 ramp

primary

#40D4DB

secondary

#8D3632

accent

#453DEB

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #40D4DB

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

Preview Lab → · Contrast checker → · Palette generator →