#40D1EA#40D1EA

#40D1EA is a light, vivid teal. Relative luminance 0.526; OKLCH L 79.6% C 0.123 H 211.8°. Best body text is #000000 at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#40D1EA
RGB	rgb(64, 209, 234)
HSL	hsl(189, 80%, 58%)
HSV	hsv(189, 73%, 92%)
CMYK	cmyk(72.6%, 10.7%, 0%, 8.2%)
CIE-LAB	lab(77.65, -29.74, -23.32)
CIE-LCH	lch(77.65, 37.79, 218.10°)
OKLab	oklab(79.57% -0.1049 -0.0649)
OKLCH	oklch(79.57% 0.123 211.8)
XYZ	xyz(39.7597, 52.6267, 85.8884)
Luminance	0.5263 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D1EA #EA5940

analogous

#40EAAE #40D1EA #407CEA

triadic

#40D1EA #EA40D1 #D1EA40

tetradic

#40D1EA #AE40EA #EA5940 #7CEA40

square

#40D1EA #AE40EA #EA5940 #7CEA40

split-complementary

#40D1EA #EA407C #EAAE40

monochromatic

#11899E #17B9D5 #40D1EA #77DEF0 #AEECF6

Accessibility & contrast

On white

1.82

#40D1EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.53

#40D1EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D1EA

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D1EA	#FFFFFF	#000000	##000000
##40D1EA	1.00	1.82	11.53	11.53
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.53	21.00	1.00	1.00
##000000	11.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDCAEB

Deuteranopia (green-blind)

#A6B8EA

Tritanopia (blue-blind)

#00DBD9

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #40d1ea;
/* rgb */ color: rgb(64, 209, 234);
/* oklch */ color: oklch(79.6% 0.123 211.8);

Tailwind

colors: {
  custom: {
    50: '#8cdff0',
    500: '#40d1ea',
    950: '#000000',
  },
}

SCSS

$custom: #40d1ea;
$custom-light: #8cdff0;
$custom-dark: #000000;

JSON

{
  "hex": "#40d1ea",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 234
  },
  "hsl": {
    "h": 188.824,
    "s": 80.189,
    "l": 58.431
  },
  "oklch": {
    "l": 0.7957,
    "c": 0.12334,
    "h": 211.8
  },
  "luminance": 0.52631
}

Semantic roles & 50–950 ramp

primary

#40D1EA

secondary

#A13E2D

accent

#4E31F7

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #40D1EA

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

Preview Lab → · Contrast checker → · Palette generator →