#40C3D3#40C3D3

#40C3D3 is a light, moderate teal. Relative luminance 0.448; OKLCH L 75.4% C 0.113 H 206.9°. Best body text is #000000 at 9.96:1 contrast (WCAG AA passes).

Color values

HEX	#40C3D3
RGB	rgb(64, 195, 211)
HSL	hsl(187, 63%, 54%)
HSV	hsv(187, 70%, 83%)
CMYK	cmyk(69.7%, 7.6%, 0%, 17.3%)
CIE-LAB	lab(72.77, -29.87, -18.32)
CIE-LCH	lch(72.77, 35.04, 211.52°)
OKLab	oklab(75.38% -0.1005 -0.0509)
OKLCH	oklch(75.38% 0.113 206.9)
XYZ	xyz(33.3822, 44.8195, 68.5071)
Luminance	0.4482 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C3D3 #D35040

analogous

#40D39A #40C3D3 #407AD3

triadic

#40C3D3 #D340C3 #C3D340

tetradic

#40C3D3 #9A40D3 #D35040 #7AD340

square

#40C3D3 #9A40D3 #D35040 #7AD340

split-complementary

#40C3D3 #D3407A #D39A40

monochromatic

#1D727C #289FAE #40C3D3 #72D3DE #A3E2EA

Accessibility & contrast

On white

2.11

#40C3D3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.96

#40C3D3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C3D3

9.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C3D3	#FFFFFF	#000000	##000000
##40C3D3	1.00	2.11	9.96	9.96
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.96	21.00	1.00	1.00
##000000	9.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3BBD4

Deuteranopia (green-blind)

#9EACD3

Tritanopia (blue-blind)

#00CBC8

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #40c3d3;
/* rgb */ color: rgb(64, 195, 211);
/* oklch */ color: oklch(75.4% 0.113 206.9);

Tailwind

colors: {
  custom: {
    50: '#89d5e0',
    500: '#40c3d3',
    950: '#000000',
  },
}

SCSS

$custom: #40c3d3;
$custom-light: #89d5e0;
$custom-dark: #000000;

JSON

{
  "hex": "#40c3d3",
  "rgb": {
    "r": 64,
    "g": 195,
    "b": 211
  },
  "hsl": {
    "h": 186.531,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.75375,
    "c": 0.11265,
    "h": 206.9
  },
  "luminance": 0.44823
}

Semantic roles & 50–950 ramp

primary

#40C3D3

secondary

#D79F98

accent

#5442E6

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1415

muted

#7E8383

Preview Lab

Preview with #40C3D3

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

Preview Lab → · Contrast checker → · Palette generator →