#40C3DD#40C3DD

#40C3DD is a light, moderate teal. Relative luminance 0.453; OKLCH L 75.8% C 0.116 H 213.9°. Best body text is #000000 at 10.07:1 contrast (WCAG AA passes).

Color values

HEX	#40C3DD
RGB	rgb(64, 195, 221)
HSL	hsl(190, 70%, 56%)
HSV	hsv(190, 71%, 87%)
CMYK	cmyk(71%, 11.8%, 0%, 13.3%)
CIE-LAB	lab(73.11, -26.84, -23.23)
CIE-LCH	lch(73.11, 35.50, 220.88°)
OKLab	oklab(75.76% -0.0965 -0.0647)
OKLCH	oklch(75.76% 0.116 213.9)
XYZ	xyz(34.6751, 45.3366, 75.3159)
Luminance	0.4534 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C3DD #DD5A40

analogous

#40DDA8 #40C3DD #4074DD

triadic

#40C3DD #DD40C3 #C3DD40

tetradic

#40C3DD #A840DD #DD5A40 #74DD40

square

#40C3DD #A840DD #DD5A40 #74DD40

split-complementary

#40C3DD #DD4074 #DDA840

monochromatic

#19778A #22A4BE #40C3DD #74D3E6 #A8E4EF

Accessibility & contrast

On white

2.09

#40C3DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.07

#40C3DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C3DD

10.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C3DD	#FFFFFF	#000000	##000000
##40C3DD	1.00	2.09	10.07	10.07
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.07	21.00	1.00	1.00
##000000	10.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0BDDF

Deuteranopia (green-blind)

#9AADDD

Tritanopia (blue-blind)

#00CDCB

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #40c3dd;
/* rgb */ color: rgb(64, 195, 221);
/* oklch */ color: oklch(75.8% 0.116 213.9);

Tailwind

colors: {
  custom: {
    50: '#8ad5e7',
    500: '#40c3dd',
    950: '#000000',
  },
}

SCSS

$custom: #40c3dd;
$custom-light: #8ad5e7;
$custom-dark: #000000;

JSON

{
  "hex": "#40c3dd",
  "rgb": {
    "r": 64,
    "g": 195,
    "b": 221
  },
  "hsl": {
    "h": 189.936,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.75762,
    "c": 0.11618,
    "h": 213.9
  },
  "luminance": 0.45341
}

Semantic roles & 50–950 ramp

primary

#40C3DD

secondary

#DDA79C

accent

#593BED

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #40C3DD

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

Preview Lab → · Contrast checker → · Palette generator →