#42ADCC#42ADCC

#42ADCC is a light, moderate cyan. Relative luminance 0.354; OKLCH L 69.9% C 0.106 H 220.6°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#42ADCC
RGB	rgb(66, 173, 204)
HSL	hsl(193, 58%, 53%)
HSV	hsv(193, 68%, 80%)
CMYK	cmyk(67.6%, 15.2%, 0%, 20%)
CIE-LAB	lab(66.06, -20.68, -24.70)
CIE-LCH	lch(66.06, 32.22, 230.07°)
OKLab	oklab(69.91% -0.0803 -0.0689)
OKLCH	oklch(69.91% 0.106 220.6)
XYZ	xyz(28.0850, 35.4019, 62.4681)
Luminance	0.3540 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ADCC #CC6142

analogous

#42CCA6 #42ADCC #4268CC

triadic

#42ADCC #CC42AD #ADCC42

tetradic

#42ADCC #A642CC #CC6142 #68CC42

square

#42ADCC #A642CC #CC6142 #68CC42

split-complementary

#42ADCC #CC4268 #CCA642

monochromatic

#1F6174 #2C89A4 #42ADCC #72C2D9 #A2D7E6

Accessibility & contrast

On white

2.60

#42ADCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#42ADCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ADCC

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ADCC	#FFFFFF	#000000	##000000
##42ADCC	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA9CE

Deuteranopia (green-blind)

#879ACC

Tritanopia (blue-blind)

#00B7B7

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #42adcc;
/* rgb */ color: rgb(66, 173, 204);
/* oklch */ color: oklch(69.9% 0.106 220.6);

Tailwind

colors: {
  custom: {
    50: '#87c5db',
    500: '#42adcc',
    950: '#000000',
  },
}

SCSS

$custom: #42adcc;
$custom-light: #87c5db;
$custom-dark: #000000;

JSON

{
  "hex": "#42adcc",
  "rgb": {
    "r": 66,
    "g": 173,
    "b": 204
  },
  "hsl": {
    "h": 193.478,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.69906,
    "c": 0.1058,
    "h": 220.6
  },
  "luminance": 0.35405
}

Semantic roles & 50–950 ramp

primary

#42ADCC

secondary

#D3A497

accent

#6A47E1

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1315

muted

#7D8283

Preview Lab

Preview with #42ADCC

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

Preview Lab → · Contrast checker → · Palette generator →