#40D9CB#40D9CB

#40D9CB is a light, vivid teal. Relative luminance 0.550; OKLCH L 80.4% C 0.126 H 186.0°. Best body text is #000000 at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#40D9CB
RGB	rgb(64, 217, 203)
HSL	hsl(175, 67%, 55%)
HSV	hsv(175, 71%, 85%)
CMYK	cmyk(70.5%, 0%, 6.5%, 14.9%)
CIE-LAB	lab(79.05, -42.34, -4.62)
CIE-LCH	lch(79.05, 42.59, 186.23°)
OKLab	oklab(80.39% -0.1256 -0.0132)
OKLCH	oklch(80.39% 0.126 186)
XYZ	xyz(37.7016, 55.0231, 65.1219)
Luminance	0.5503 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D9CB #D9404E

analogous

#40D97F #40D9CB #409AD9

triadic

#40D9CB #CB40D9 #D9CB40

tetradic

#40D9CB #7F40D9 #D9404E #9AD940

square

#40D9CB #7F40D9 #D9404E #9AD940

split-complementary

#40D9CB #D9409A #D97F40

monochromatic

#1A847B #24B7AA #40D9CB #73E3D9 #A6EDE7

Accessibility & contrast

On white

1.75

#40D9CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.01

#40D9CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D9CB

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D9CB	#FFFFFF	#000000	##000000
##40D9CB	1.00	1.75	12.01	12.01
#FFFFFF	1.75	1.00	21.00	21.00
#000000	12.01	21.00	1.00	1.00
##000000	12.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CECDCB

Deuteranopia (green-blind)

#B8BDCD

Tritanopia (blue-blind)

#00DED4

Achromatopsia (no color)

#C4C4C4

Design tokens & code

CSS

--color: #40d9cb;
/* rgb */ color: rgb(64, 217, 203);
/* oklch */ color: oklch(80.4% 0.126 186.0);

Tailwind

colors: {
  custom: {
    50: '#8ae5da',
    500: '#40d9cb',
    950: '#000000',
  },
}

SCSS

$custom: #40d9cb;
$custom-light: #8ae5da;
$custom-dark: #000000;

JSON

{
  "hex": "#40d9cb",
  "rgb": {
    "r": 64,
    "g": 217,
    "b": 203
  },
  "hsl": {
    "h": 174.51,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.80389,
    "c": 0.1263,
    "h": 186
  },
  "luminance": 0.55027
}

Semantic roles & 50–950 ramp

primary

#40D9CB

secondary

#8B323A

accent

#3E4EEA

background

#FCFEFE

surface

#F4FCFB

border

#CED5D4

text

#0D1614

muted

#7F8483

Preview Lab

Preview with #40D9CB

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

Preview Lab → · Contrast checker → · Palette generator →