#42AED0#42AED0

#42AED0 is a light, moderate cyan. Relative luminance 0.360; OKLCH L 70.3% C 0.108 H 222.6°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#42AED0
RGB	rgb(66, 174, 208)
HSL	hsl(194, 60%, 54%)
HSV	hsv(194, 68%, 82%)
CMYK	cmyk(68.3%, 16.3%, 0%, 18.4%)
CIE-LAB	lab(66.51, -19.94, -26.23)
CIE-LCH	lch(66.51, 32.95, 232.76°)
OKLab	oklab(70.31% -0.0798 -0.0733)
OKLCH	oklch(70.31% 0.108 222.6)
XYZ	xyz(28.7633, 35.9812, 65.0915)
Luminance	0.3598 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AED0 #D06442

analogous

#42D0AB #42AED0 #4267D0

triadic

#42AED0 #D042AE #AED042

tetradic

#42AED0 #AB42D0 #D06442 #67D042

square

#42AED0 #AB42D0 #D06442 #67D042

split-complementary

#42AED0 #D04267 #D0AB42

monochromatic

#1E6479 #2A8CAA #42AED0 #73C3DC #A4D8E8

Accessibility & contrast

On white

2.56

#42AED0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.20

#42AED0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AED0

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AED0	#FFFFFF	#000000	##000000
##42AED0	1.00	2.56	8.20	8.20
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.20	21.00	1.00	1.00
##000000	8.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AAAD2

Deuteranopia (green-blind)

#879BD0

Tritanopia (blue-blind)

#00B9B9

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #42aed0;
/* rgb */ color: rgb(66, 174, 208);
/* oklch */ color: oklch(70.3% 0.108 222.6);

Tailwind

colors: {
  custom: {
    50: '#87c6de',
    500: '#42aed0',
    950: '#000000',
  },
}

SCSS

$custom: #42aed0;
$custom-light: #87c6de;
$custom-dark: #000000;

JSON

{
  "hex": "#42aed0",
  "rgb": {
    "r": 66,
    "g": 174,
    "b": 208
  },
  "hsl": {
    "h": 194.366,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.70313,
    "c": 0.1083,
    "h": 222.6
  },
  "luminance": 0.35984
}

Semantic roles & 50–950 ramp

primary

#42AED0

secondary

#D5A799

accent

#6B44E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #42AED0

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

Preview Lab → · Contrast checker → · Palette generator →