#42C2DC#42C2DC

#42C2DC is a light, moderate cyan. Relative luminance 0.449; OKLCH L 75.5% C 0.115 H 214.1°. Best body text is #000000 at 9.98:1 contrast (WCAG AA passes).

Color values

HEX	#42C2DC
RGB	rgb(66, 194, 220)
HSL	hsl(190, 69%, 56%)
HSV	hsv(190, 70%, 86%)
CMYK	cmyk(70%, 11.8%, 0%, 13.7%)
CIE-LAB	lab(72.83, -26.39, -23.12)
CIE-LCH	lch(72.83, 35.08, 221.23°)
OKLab	oklab(75.54% -0.095 -0.0644)
OKLCH	oklch(75.54% 0.115 214.1)
XYZ	xyz(34.4514, 44.9052, 74.5481)
Luminance	0.4491 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42C2DC #DC5C42

analogous

#42DCA9 #42C2DC #4275DC

triadic

#42C2DC #DC42C2 #C2DC42

tetradic

#42C2DC #A942DC #DC5C42 #75DC42

square

#42C2DC #A942DC #DC5C42 #75DC42

split-complementary

#42C2DC #DC4275 #DCA942

monochromatic

#1A778A #23A4BE #42C2DC #76D3E6 #A9E3EF

Accessibility & contrast

On white

2.10

#42C2DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.98

#42C2DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42C2DC

9.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42C2DC	#FFFFFF	#000000	##000000
##42C2DC	1.00	2.10	9.98	9.98
#FFFFFF	2.10	1.00	21.00	21.00
#000000	9.98	21.00	1.00	1.00
##000000	9.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFBCDD

Deuteranopia (green-blind)

#9AACDC

Tritanopia (blue-blind)

#00CCCA

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #42c2dc;
/* rgb */ color: rgb(66, 194, 220);
/* oklch */ color: oklch(75.5% 0.115 214.1);

Tailwind

colors: {
  custom: {
    50: '#8ad4e7',
    500: '#42c2dc',
    950: '#000000',
  },
}

SCSS

$custom: #42c2dc;
$custom-light: #8ad4e7;
$custom-dark: #000000;

JSON

{
  "hex": "#42c2dc",
  "rgb": {
    "r": 66,
    "g": 194,
    "b": 220
  },
  "hsl": {
    "h": 190.13,
    "s": 68.75,
    "l": 56.078
  },
  "oklch": {
    "l": 0.75535,
    "c": 0.11477,
    "h": 214.1
  },
  "luminance": 0.44909
}

Semantic roles & 50–950 ramp

primary

#42C2DC

secondary

#DDA89D

accent

#5A3CEC

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0D1416

muted

#7E8384

Preview Lab

Preview with #42C2DC

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

Preview Lab → · Contrast checker → · Palette generator →