#42ACD2#42ACD2

#42ACD2 is a light, moderate cyan. Relative luminance 0.353; OKLCH L 69.9% C 0.110 H 225.6°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#42ACD2
RGB	rgb(66, 172, 210)
HSL	hsl(196, 62%, 54%)
HSV	hsv(196, 69%, 82%)
CMYK	cmyk(68.6%, 18.1%, 0%, 17.6%)
CIE-LAB	lab(65.99, -18.25, -28.12)
CIE-LCH	lch(65.99, 33.53, 237.01°)
OKLab	oklab(69.93% -0.077 -0.0787)
OKLCH	oklch(69.93% 0.11 225.6)
XYZ	xyz(28.6274, 35.3133, 66.2677)
Luminance	0.3532 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ACD2 #D26842

analogous

#42D2B0 #42ACD2 #4264D2

triadic

#42ACD2 #D242AC #ACD242

tetradic

#42ACD2 #B042D2 #D26842 #64D242

square

#42ACD2 #B042D2 #D26842 #64D242

split-complementary

#42ACD2 #D24264 #D2B042

monochromatic

#1E637C #298BAD #42ACD2 #73C2DE #A5D7EA

Accessibility & contrast

On white

2.60

#42ACD2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#42ACD2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ACD2

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ACD2	#FFFFFF	#000000	##000000
##42ACD2	1.00	2.60	8.06	8.06
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A9D4

Deuteranopia (green-blind)

#839AD2

Tritanopia (blue-blind)

#00B7B8

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #42acd2;
/* rgb */ color: rgb(66, 172, 210);
/* oklch */ color: oklch(69.9% 0.110 225.6);

Tailwind

colors: {
  custom: {
    50: '#87c4e0',
    500: '#42acd2',
    950: '#000000',
  },
}

SCSS

$custom: #42acd2;
$custom-light: #87c4e0;
$custom-dark: #000000;

JSON

{
  "hex": "#42acd2",
  "rgb": {
    "r": 66,
    "g": 172,
    "b": 210
  },
  "hsl": {
    "h": 195.833,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.69926,
    "c": 0.11008,
    "h": 225.6
  },
  "luminance": 0.35316
}

Semantic roles & 50–950 ramp

primary

#42ACD2

secondary

#D7A999

accent

#6E43E5

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #42ACD2

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

Preview Lab → · Contrast checker → · Palette generator →