#42C8DC#42C8DC

#42C8DC is a light, moderate teal. Relative luminance 0.476; OKLCH L 77.0% C 0.116 H 209.4°. Best body text is #000000 at 10.53:1 contrast (WCAG AA passes).

Color values

HEX	#42C8DC
RGB	rgb(66, 200, 220)
HSL	hsl(188, 69%, 56%)
HSV	hsv(188, 70%, 86%)
CMYK	cmyk(70%, 9.1%, 0%, 13.7%)
CIE-LAB	lab(74.59, -29.34, -20.44)
CIE-LCH	lch(74.59, 35.76, 214.86°)
OKLab	oklab(76.95% -0.1009 -0.0568)
OKLCH	oklch(76.95% 0.116 209.4)
XYZ	xyz(35.8138, 47.6300, 75.0023)
Luminance	0.4763 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C8DC #DC5642

analogous

#42DCA3 #42C8DC #427BDC

triadic

#42C8DC #DC42C8 #C8DC42

tetradic

#42C8DC #A342DC #DC5642 #7BDC42

square

#42C8DC #A342DC #DC5642 #7BDC42

split-complementary

#42C8DC #DC427B #DCA342

monochromatic

#1A7B8A #23AABE #42C8DC #76D7E6 #A9E6EF

Accessibility & contrast

On white

1.99

#42C8DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.53

#42C8DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C8DC

10.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C8DC	#FFFFFF	#000000	##000000
##42C8DC	1.00	1.99	10.53	10.53
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.53	21.00	1.00	1.00
##000000	10.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C1DD

Deuteranopia (green-blind)

#A0B1DC

Tritanopia (blue-blind)

#00D1CE

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #42c8dc;
/* rgb */ color: rgb(66, 200, 220);
/* oklch */ color: oklch(77.0% 0.116 209.4);

Tailwind

colors: {
  custom: {
    50: '#8bd9e6',
    500: '#42c8dc',
    950: '#000000',
  },
}

SCSS

$custom: #42c8dc;
$custom-light: #8bd9e6;
$custom-dark: #000000;

JSON

{
  "hex": "#42c8dc",
  "rgb": {
    "r": 66,
    "g": 200,
    "b": 220
  },
  "hsl": {
    "h": 187.792,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.76954,
    "c": 0.1158,
    "h": 209.4
  },
  "luminance": 0.47634
}

Semantic roles & 50–950 ramp

primary

#42C8DC

secondary

#DDA59D

accent

#533CEC

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #42C8DC

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

Preview Lab → · Contrast checker → · Palette generator →