#40C9CF#40C9CF

#40C9CF is a light, moderate teal. Relative luminance 0.474; OKLCH L 76.7% C 0.115 H 199.3°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#40C9CF
RGB	rgb(64, 201, 207)
HSL	hsl(183, 60%, 53%)
HSV	hsv(183, 69%, 81%)
CMYK	cmyk(69.1%, 2.9%, 0%, 18.8%)
CIE-LAB	lab(74.42, -33.92, -13.66)
CIE-LCH	lch(74.42, 36.57, 201.94°)
OKLab	oklab(76.67% -0.1081 -0.0379)
OKLCH	oklch(76.67% 0.115 199.3)
XYZ	xyz(34.2585, 47.3643, 66.3561)
Luminance	0.4737 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C9CF #CF4640

analogous

#40CF8D #40C9CF #4082CF

triadic

#40C9CF #CF40C9 #C9CF40

tetradic

#40C9CF #8D40CF #CF4640 #82CF40

square

#40C9CF #8D40CF #CF4640 #82CF40

split-complementary

#40C9CF #CF4082 #CF8D40

monochromatic

#1E7377 #2AA2A8 #40C9CF #71D7DB #A2E5E8

Accessibility & contrast

On white

2.01

#40C9CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.47

#40C9CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C9CF

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C9CF	#FFFFFF	#000000	##000000
##40C9CF	1.00	2.01	10.47	10.47
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.47	21.00	1.00	1.00
##000000	10.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC0D0

Deuteranopia (green-blind)

#A6B0D0

Tritanopia (blue-blind)

#00D0CA

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #40c9cf;
/* rgb */ color: rgb(64, 201, 207);
/* oklch */ color: oklch(76.7% 0.115 199.3);

Tailwind

colors: {
  custom: {
    50: '#89dadd',
    500: '#40c9cf',
    950: '#000000',
  },
}

SCSS

$custom: #40c9cf;
$custom-light: #89dadd;
$custom-dark: #000000;

JSON

{
  "hex": "#40c9cf",
  "rgb": {
    "r": 64,
    "g": 201,
    "b": 207
  },
  "hsl": {
    "h": 182.517,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.76666,
    "c": 0.11457,
    "h": 199.3
  },
  "luminance": 0.47368
}

Semantic roles & 50–950 ramp

primary

#40C9CF

secondary

#D49997

accent

#4B45E3

background

#F9FDFD

surface

#F1FAFB

border

#CBD3D4

text

#0D1515

muted

#7E8383

Preview Lab

Preview with #40C9CF

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

Preview Lab → · Contrast checker → · Palette generator →