#42DAE3#42DAE3

#42DAE3 is a light, vivid teal. Relative luminance 0.568; OKLCH L 81.5% C 0.124 H 200.9°. Best body text is #000000 at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#42DAE3
RGB	rgb(66, 218, 227)
HSL	hsl(183, 74%, 57%)
HSV	hsv(183, 71%, 89%)
CMYK	cmyk(70.9%, 4%, 0%, 11%)
CIE-LAB	lab(80.09, -35.85, -15.89)
CIE-LCH	lch(80.09, 39.21, 203.90°)
OKLab	oklab(81.47% -0.1155 -0.0441)
OKLCH	oklch(81.47% 0.124 200.9)
XYZ	xyz(41.1771, 56.8422, 81.4596)
Luminance	0.5685 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42DAE3 #E34B42

analogous

#42E39C #42DAE3 #428AE3

triadic

#42DAE3 #E342DA #DAE342

tetradic

#42DAE3 #9C42E3 #E34B42 #8AE342

square

#42DAE3 #9C42E3 #E34B42 #8AE342

split-complementary

#42DAE3 #E3428A #E39C42

monochromatic

#168E95 #1EC0CA #42DAE3 #77E4EB #ADEFF3

Accessibility & contrast

On white

1.70

#42DAE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.37

#42DAE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42DAE3

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42DAE3	#FFFFFF	#000000	##000000
##42DAE3	1.00	1.70	12.37	12.37
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.37	21.00	1.00	1.00
##000000	12.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAD0E4

Deuteranopia (green-blind)

#B3BFE4

Tritanopia (blue-blind)

#00E2DC

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #42dae3;
/* rgb */ color: rgb(66, 218, 227);
/* oklch */ color: oklch(81.5% 0.124 200.9);

Tailwind

colors: {
  custom: {
    50: '#8de6eb',
    500: '#42dae3',
    950: '#000000',
  },
}

SCSS

$custom: #42dae3;
$custom-light: #8de6eb;
$custom-dark: #000000;

JSON

{
  "hex": "#42dae3",
  "rgb": {
    "r": 66,
    "g": 218,
    "b": 227
  },
  "hsl": {
    "h": 183.354,
    "s": 74.194,
    "l": 57.451
  },
  "oklch": {
    "l": 0.81474,
    "c": 0.12366,
    "h": 200.9
  },
  "luminance": 0.56847
}

Semantic roles & 50–950 ramp

primary

#42DAE3

secondary

#993630

accent

#4137F1

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1616

muted

#7F8484

Preview Lab

Preview with #42DAE3

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

Preview Lab → · Contrast checker → · Palette generator →