#42A2C8#42A2C8

#42A2C8 is a light, moderate cyan. Relative luminance 0.312; OKLCH L 67.1% C 0.105 H 227.7°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#42A2C8
RGB	rgb(66, 162, 200)
HSL	hsl(197, 55%, 52%)
HSV	hsv(197, 67%, 78%)
CMYK	cmyk(67%, 19%, 0%, 21.6%)
CIE-LAB	lab(62.65, -16.15, -27.73)
CIE-LCH	lch(62.65, 32.09, 239.79°)
OKLab	oklab(67.12% -0.0705 -0.0776)
OKLCH	oklch(67.12% 0.105 227.7)
XYZ	xyz(25.5883, 31.1663, 59.2995)
Luminance	0.3117 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A2C8 #C86842

analogous

#42C8AB #42A2C8 #425FC8

triadic

#42A2C8 #C842A2 #A2C842

tetradic

#42A2C8 #AB42C8 #C86842 #5FC842

square

#42A2C8 #AB42C8 #C86842 #5FC842

split-complementary

#42A2C8 #C8425F #C8AB42

monochromatic

#20596F #2E7F9F #42A2C8 #71B9D6 #A1D1E4

Accessibility & contrast

On white

2.90

#42A2C8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#42A2C8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42A2C8

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A2C8	#FFFFFF	#000000	##000000
##42A2C8	1.00	2.90	7.23	7.23
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E9FCA

Deuteranopia (green-blind)

#7B92C8

Tritanopia (blue-blind)

#00ADAE

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #42a2c8;
/* rgb */ color: rgb(66, 162, 200);
/* oklch */ color: oklch(67.1% 0.105 227.7);

Tailwind

colors: {
  custom: {
    50: '#85bdd8',
    500: '#42a2c8',
    950: '#000000',
  },
}

SCSS

$custom: #42a2c8;
$custom-light: #85bdd8;
$custom-dark: #000000;

JSON

{
  "hex": "#42a2c8",
  "rgb": {
    "r": 66,
    "g": 162,
    "b": 200
  },
  "hsl": {
    "h": 197.015,
    "s": 54.918,
    "l": 52.157
  },
  "oklch": {
    "l": 0.67124,
    "c": 0.10486,
    "h": 227.7
  },
  "luminance": 0.31169
}

Semantic roles & 50–950 ramp

primary

#42A2C8

secondary

#D0A696

accent

#744ADE

background

#F8FBFD

surface

#F0F6FA

border

#CBD0D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #42A2C8

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

Preview Lab → · Contrast checker → · Palette generator →