#40C8DF#40C8DF

#40C8DF is a light, moderate teal. Relative luminance 0.477; OKLCH L 77.0% C 0.118 H 211.3°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#40C8DF
RGB	rgb(64, 200, 223)
HSL	hsl(189, 71%, 56%)
HSV	hsv(189, 71%, 87%)
CMYK	cmyk(71.3%, 10.3%, 0%, 12.5%)
CIE-LAB	lab(74.65, -28.69, -21.98)
CIE-LCH	lch(74.65, 36.14, 217.45°)
OKLab	oklab(77.02% -0.1006 -0.0612)
OKLCH	oklch(77.02% 0.118 211.3)
XYZ	xyz(36.0822, 47.7220, 77.1073)
Luminance	0.4773 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C8DF #DF5740

analogous

#40DFA7 #40C8DF #4079DF

triadic

#40C8DF #DF40C8 #C8DF40

tetradic

#40C8DF #A740DF #DF5740 #79DF40

square

#40C8DF #A740DF #DF5740 #79DF40

split-complementary

#40C8DF #DF4079 #DFA740

monochromatic

#187C8D #20AAC1 #40C8DF #74D7E8 #A9E6F1

Accessibility & contrast

On white

1.99

#40C8DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#40C8DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C8DF

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C8DF	#FFFFFF	#000000	##000000
##40C8DF	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C1E0

Deuteranopia (green-blind)

#9FB1DF

Tritanopia (blue-blind)

#00D2CF

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #40c8df;
/* rgb */ color: rgb(64, 200, 223);
/* oklch */ color: oklch(77.0% 0.118 211.3);

Tailwind

colors: {
  custom: {
    50: '#8ad9e9',
    500: '#40c8df',
    950: '#000000',
  },
}

SCSS

$custom: #40c8df;
$custom-light: #8ad9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#40c8df",
  "rgb": {
    "r": 64,
    "g": 200,
    "b": 223
  },
  "hsl": {
    "h": 188.679,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.77023,
    "c": 0.1177,
    "h": 211.3
  },
  "luminance": 0.47726
}

Semantic roles & 50–950 ramp

primary

#40C8DF

secondary

#DEA69D

accent

#543AEE

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #40C8DF

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

Preview Lab → · Contrast checker → · Palette generator →