#40C9DA#40C9DA

#40C9DA is a light, moderate teal. Relative luminance 0.479; OKLCH L 77.1% C 0.116 H 207.1°. Best body text is #000000 at 10.59:1 contrast (WCAG AA passes).

Color values

HEX	#40C9DA
RGB	rgb(64, 201, 218)
HSL	hsl(187, 68%, 55%)
HSV	hsv(187, 71%, 85%)
CMYK	cmyk(70.6%, 7.8%, 0%, 14.5%)
CIE-LAB	lab(74.78, -30.68, -19.08)
CIE-LCH	lch(74.78, 36.13, 211.88°)
OKLab	oklab(77.07% -0.1035 -0.053)
OKLCH	oklch(77.07% 0.116 207.1)
XYZ	xyz(35.6504, 47.9211, 73.6869)
Luminance	0.4793 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C9DA #DA5140

analogous

#40DA9E #40C9DA #407CDA

triadic

#40C9DA #DA40C9 #C9DA40

tetradic

#40C9DA #9E40DA #DA5140 #7CDA40

square

#40C9DA #9E40DA #DA5140 #7CDA40

split-complementary

#40C9DA #DA407C #DA9E40

monochromatic

#1A7A86 #24A9B9 #40C9DA #73D7E4 #A7E6EE

Accessibility & contrast

On white

1.98

#40C9DA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.59

#40C9DA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C9DA

10.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C9DA	#FFFFFF	#000000	##000000
##40C9DA	1.00	1.98	10.59	10.59
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.59	21.00	1.00	1.00
##000000	10.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8C1DB

Deuteranopia (green-blind)

#A2B1DA

Tritanopia (blue-blind)

#00D2CE

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #40c9da;
/* rgb */ color: rgb(64, 201, 218);
/* oklch */ color: oklch(77.1% 0.116 207.1);

Tailwind

colors: {
  custom: {
    50: '#8ad9e5',
    500: '#40c9da',
    950: '#000000',
  },
}

SCSS

$custom: #40c9da;
$custom-light: #8ad9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#40c9da",
  "rgb": {
    "r": 64,
    "g": 201,
    "b": 218
  },
  "hsl": {
    "h": 186.623,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.77069,
    "c": 0.11633,
    "h": 207.1
  },
  "luminance": 0.47925
}

Semantic roles & 50–950 ramp

primary

#40C9DA

secondary

#DBA29B

accent

#503DEA

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1515

muted

#7E8384

Preview Lab

Preview with #40C9DA

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

Preview Lab → · Contrast checker → · Palette generator →