#42A2CC#42A2CC

#42A2CC is a light, moderate cyan. Relative luminance 0.314; OKLCH L 67.3% C 0.108 H 230.3°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#42A2CC
RGB	rgb(66, 162, 204)
HSL	hsl(198, 58%, 53%)
HSV	hsv(198, 68%, 80%)
CMYK	cmyk(67.6%, 20.6%, 0%, 20%)
CIE-LAB	lab(62.81, -14.85, -29.71)
CIE-LCH	lch(62.81, 33.22, 243.44°)
OKLab	oklab(67.3% -0.0691 -0.0833)
OKLCH	oklch(67.3% 0.108 230.3)
XYZ	xyz(26.0619, 31.3557, 61.7938)
Luminance	0.3136 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A2CC #CC6C42

analogous

#42CCB1 #42A2CC #425DCC

triadic

#42A2CC #CC42A2 #A2CC42

tetradic

#42A2CC #B142CC #CC6C42 #5DCC42

square

#42A2CC #B142CC #CC6C42 #5DCC42

split-complementary

#42A2CC #CC425D #CCB142

monochromatic

#1F5A74 #2C80A4 #42A2CC #72BAD9 #A2D1E6

Accessibility & contrast

On white

2.89

#42A2CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#42A2CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A2CC

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A2CC	#FFFFFF	#000000	##000000
##42A2CC	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8DA0CE

Deuteranopia (green-blind)

#7A92CB

Tritanopia (blue-blind)

#00AEB0

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #42a2cc;
/* rgb */ color: rgb(66, 162, 204);
/* oklch */ color: oklch(67.3% 0.108 230.3);

Tailwind

colors: {
  custom: {
    50: '#86bddb',
    500: '#42a2cc',
    950: '#000000',
  },
}

SCSS

$custom: #42a2cc;
$custom-light: #86bddb;
$custom-dark: #000000;

JSON

{
  "hex": "#42a2cc",
  "rgb": {
    "r": 66,
    "g": 162,
    "b": 204
  },
  "hsl": {
    "h": 198.261,
    "s": 57.5,
    "l": 52.941
  },
  "oklch": {
    "l": 0.67304,
    "c": 0.1082,
    "h": 230.3
  },
  "luminance": 0.31359
}

Semantic roles & 50–950 ramp

primary

#42A2CC

secondary

#D3A997

accent

#7647E1

background

#F8FBFD

surface

#F0F6FB

border

#CBD0D4

text

#0C1215

muted

#7D8183

Preview Lab

Preview with #42A2CC

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

Preview Lab → · Contrast checker → · Palette generator →