#42ACCC#42ACCC

#42ACCC is a light, moderate cyan. Relative luminance 0.350; OKLCH L 69.7% C 0.106 H 221.5°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#42ACCC
RGB	rgb(66, 172, 204)
HSL	hsl(194, 58%, 53%)
HSV	hsv(194, 68%, 80%)
CMYK	cmyk(67.6%, 15.7%, 0%, 20%)
CIE-LAB	lab(65.76, -20.16, -25.16)
CIE-LCH	lch(65.76, 32.24, 231.29°)
OKLab	oklab(69.67% -0.0792 -0.0702)
OKLCH	oklch(69.67% 0.106 221.5)
XYZ	xyz(27.8939, 35.0198, 62.4045)
Luminance	0.3502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ACCC #CC6242

analogous

#42CCA7 #42ACCC #4267CC

triadic

#42ACCC #CC42AC #ACCC42

tetradic

#42ACCC #A742CC #CC6242 #67CC42

square

#42ACCC #A742CC #CC6242 #67CC42

split-complementary

#42ACCC #CC4267 #CCA742

monochromatic

#1F6174 #2C89A4 #42ACCC #72C1D9 #A2D6E6

Accessibility & contrast

On white

2.62

#42ACCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#42ACCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ACCC

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ACCC	#FFFFFF	#000000	##000000
##42ACCC	1.00	2.62	8.00	8.00
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A8CE

Deuteranopia (green-blind)

#869ACC

Tritanopia (blue-blind)

#00B6B6

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #42accc;
/* rgb */ color: rgb(66, 172, 204);
/* oklch */ color: oklch(69.7% 0.106 221.5);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#42accc",
  "rgb": {
    "r": 66,
    "g": 172,
    "b": 204
  },
  "hsl": {
    "h": 193.913,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.69669,
    "c": 0.10588,
    "h": 221.5
  },
  "luminance": 0.35023
}

Semantic roles & 50–950 ramp

primary

#42ACCC

secondary

#D3A597

accent

#6B47E1

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #42ACCC

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

Preview Lab → · Contrast checker → · Palette generator →