#42ADC8#42ADC8

#42ADC8 is a light, moderate cyan. Relative luminance 0.352; OKLCH L 69.7% C 0.103 H 217.7°. Best body text is #000000 at 8.04:1 contrast (WCAG AA passes).

Color values

HEX	#42ADC8
RGB	rgb(66, 173, 200)
HSL	hsl(192, 55%, 52%)
HSV	hsv(192, 67%, 78%)
CMYK	cmyk(67%, 13.5%, 0%, 21.6%)
CIE-LAB	lab(65.91, -21.93, -22.71)
CIE-LCH	lch(65.91, 31.57, 226.01°)
OKLab	oklab(69.74% -0.0818 -0.0633)
OKLCH	oklch(69.74% 0.103 217.7)
XYZ	xyz(27.6114, 35.2125, 59.9739)
Luminance	0.3522 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ADC8 #C85D42

analogous

#42C8A0 #42ADC8 #426AC8

triadic

#42ADC8 #C842AD #ADC842

tetradic

#42ADC8 #A042C8 #C85D42 #6AC842

square

#42ADC8 #A042C8 #C85D42 #6AC842

split-complementary

#42ADC8 #C8426A #C8A042

monochromatic

#205F6F #2E889F #42ADC8 #71C2D6 #A1D6E4

Accessibility & contrast

On white

2.61

#42ADC8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.04

#42ADC8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ADC8

8.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ADC8	#FFFFFF	#000000	##000000
##42ADC8	1.00	2.61	8.04	8.04
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.04	21.00	1.00	1.00
##000000	8.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BA8C9

Deuteranopia (green-blind)

#889AC8

Tritanopia (blue-blind)

#00B6B5

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #42adc8;
/* rgb */ color: rgb(66, 173, 200);
/* oklch */ color: oklch(69.7% 0.103 217.7);

Tailwind

colors: {
  custom: {
    50: '#86c5d8',
    500: '#42adc8',
    950: '#000000',
  },
}

SCSS

$custom: #42adc8;
$custom-light: #86c5d8;
$custom-dark: #000000;

JSON

{
  "hex": "#42adc8",
  "rgb": {
    "r": 66,
    "g": 173,
    "b": 200
  },
  "hsl": {
    "h": 192.09,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.6974,
    "c": 0.10343,
    "h": 217.7
  },
  "luminance": 0.35216
}

Semantic roles & 50–950 ramp

primary

#42ADC8

secondary

#D0A196

accent

#684ADE

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1314

muted

#7D8283

Preview Lab

Preview with #42ADC8

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

Preview Lab → · Contrast checker → · Palette generator →