#40C9D5#40C9D5

#40C9D5 is a light, moderate teal. Relative luminance 0.477; OKLCH L 76.9% C 0.115 H 203.6°. Best body text is #000000 at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#40C9D5
RGB	rgb(64, 201, 213)
HSL	hsl(185, 64%, 54%)
HSV	hsv(185, 70%, 84%)
CMYK	cmyk(70%, 5.6%, 0%, 16.5%)
CIE-LAB	lab(74.61, -32.17, -16.63)
CIE-LCH	lch(74.61, 36.21, 207.33°)
OKLab	oklab(76.88% -0.1056 -0.0462)
OKLCH	oklch(76.88% 0.115 203.6)
XYZ	xyz(35.0060, 47.6633, 70.2929)
Luminance	0.4767 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C9D5 #D54C40

analogous

#40D597 #40C9D5 #407FD5

triadic

#40C9D5 #D540C9 #C9D540

tetradic

#40C9D5 #9740D5 #D54C40 #7FD540

square

#40C9D5 #9740D5 #D54C40 #7FD540

split-complementary

#40C9D5 #D5407F #D59740

monochromatic

#1C777F #27A6B1 #40C9D5 #72D7E0 #A4E5EB

Accessibility & contrast

On white

1.99

#40C9D5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.53

#40C9D5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C9D5

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C9D5	#FFFFFF	#000000	##000000
##40C9D5	1.00	1.99	10.53	10.53
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.53	21.00	1.00	1.00
##000000	10.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9C1D6

Deuteranopia (green-blind)

#A4B1D6

Tritanopia (blue-blind)

#00D1CC

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #40c9d5;
/* rgb */ color: rgb(64, 201, 213);
/* oklch */ color: oklch(76.9% 0.115 203.6);

Tailwind

colors: {
  custom: {
    50: '#89dae1',
    500: '#40c9d5',
    950: '#000000',
  },
}

SCSS

$custom: #40c9d5;
$custom-light: #89dae1;
$custom-dark: #000000;

JSON

{
  "hex": "#40c9d5",
  "rgb": {
    "r": 64,
    "g": 201,
    "b": 213
  },
  "hsl": {
    "h": 184.832,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.76883,
    "c": 0.11525,
    "h": 203.6
  },
  "luminance": 0.47667
}

Semantic roles & 50–950 ramp

primary

#40C9D5

secondary

#D89E99

accent

#4E41E7

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1515

muted

#7E8383

Preview Lab

Preview with #40C9D5

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

Preview Lab → · Contrast checker → · Palette generator →