#40D5DB#40D5DB

#40D5DB is a light, vivid teal. Relative luminance 0.538; OKLCH L 80.0% C 0.121 H 199.0°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#40D5DB
RGB	rgb(64, 213, 219)
HSL	hsl(182, 68%, 55%)
HSV	hsv(182, 71%, 86%)
CMYK	cmyk(70.8%, 2.7%, 0%, 14.1%)
CIE-LAB	lab(78.34, -36.07, -14.25)
CIE-LCH	lch(78.34, 38.79, 201.55°)
OKLab	oklab(79.96% -0.1148 -0.0396)
OKLCH	oklch(79.96% 0.121 199)
XYZ	xyz(38.6891, 53.7884, 75.3472)
Luminance	0.5379 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D5DB #DB4640

analogous

#40DB94 #40D5DB #4087DB

triadic

#40D5DB #DB40D5 #D5DB40

tetradic

#40D5DB #9440DB #DB4640 #87DB40

square

#40D5DB #9440DB #DB4640 #87DB40

split-complementary

#40D5DB #DB4087 #DB9440

monochromatic

#198387 #23B5BB #40D5DB #73E0E5 #A7ECEE

Accessibility & contrast

On white

1.79

#40D5DB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#40D5DB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D5DB

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D5DB	#FFFFFF	#000000	##000000
##40D5DB	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6CBDC

Deuteranopia (green-blind)

#AFBBDC

Tritanopia (blue-blind)

#00DDD6

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #40d5db;
/* rgb */ color: rgb(64, 213, 219);
/* oklch */ color: oklch(80.0% 0.121 199.0);

Tailwind

colors: {
  custom: {
    50: '#8be2e6',
    500: '#40d5db',
    950: '#000000',
  },
}

SCSS

$custom: #40d5db;
$custom-light: #8be2e6;
$custom-dark: #000000;

JSON

{
  "hex": "#40d5db",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 219
  },
  "hsl": {
    "h": 182.323,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.79961,
    "c": 0.12143,
    "h": 199
  },
  "luminance": 0.53793
}

Semantic roles & 50–950 ramp

primary

#40D5DB

secondary

#8D3532

accent

#433DEB

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #40D5DB

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

Preview Lab → · Contrast checker → · Palette generator →