#42D7EA#42D7EA

#42D7EA is a light, vivid teal. Relative luminance 0.557; OKLCH L 81.0% C 0.124 H 207.6°. Best body text is #000000 at 12.14:1 contrast (WCAG AA passes).

Color values

HEX	#42D7EA
RGB	rgb(66, 215, 234)
HSL	hsl(187, 80%, 59%)
HSV	hsv(187, 72%, 92%)
CMYK	cmyk(71.8%, 8.1%, 0%, 8.2%)
CIE-LAB	lab(79.44, -32.39, -20.61)
CIE-LCH	lch(79.44, 38.39, 212.47°)
OKLab	oklab(81.02% -0.1098 -0.0573)
OKLCH	oklch(81.02% 0.124 207.6)
XYZ	xyz(41.3920, 55.6947, 86.3946)
Luminance	0.5570 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42D7EA #EA5542

analogous

#42EAA9 #42D7EA #4283EA

triadic

#42D7EA #EA42D7 #D7EA42

tetradic

#42D7EA #A942EA #EA5542 #83EA42

square

#42D7EA #A942EA #EA5542 #83EA42

split-complementary

#42D7EA #EA4283 #EAA942

monochromatic

#1290A0 #18C1D7 #42D7EA #79E3F0 #B0EEF6

Accessibility & contrast

On white

1.73

#42D7EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.14

#42D7EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42D7EA

12.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42D7EA	#FFFFFF	#000000	##000000
##42D7EA	1.00	1.73	12.14	12.14
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.14	21.00	1.00	1.00
##000000	12.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4CFEB

Deuteranopia (green-blind)

#ADBDEA

Tritanopia (blue-blind)

#00E1DD

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #42d7ea;
/* rgb */ color: rgb(66, 215, 234);
/* oklch */ color: oklch(81.0% 0.124 207.6);

Tailwind

colors: {
  custom: {
    50: '#8ee3f0',
    500: '#42d7ea',
    950: '#000000',
  },
}

SCSS

$custom: #42d7ea;
$custom-light: #8ee3f0;
$custom-dark: #000000;

JSON

{
  "hex": "#42d7ea",
  "rgb": {
    "r": 66,
    "g": 215,
    "b": 234
  },
  "hsl": {
    "h": 186.786,
    "s": 80,
    "l": 58.824
  },
  "oklch": {
    "l": 0.81022,
    "c": 0.12384,
    "h": 207.6
  },
  "luminance": 0.557
}

Semantic roles & 50–950 ramp

primary

#42D7EA

secondary

#A23B2E

accent

#4831F6

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #42D7EA

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

Preview Lab → · Contrast checker → · Palette generator →