#42AAD2#42AAD2

#42AAD2 is a light, moderate cyan. Relative luminance 0.346; OKLCH L 69.5% C 0.111 H 227.3°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#42AAD2
RGB	rgb(66, 170, 210)
HSL	hsl(197, 62%, 54%)
HSV	hsv(197, 69%, 82%)
CMYK	cmyk(68.6%, 19%, 0%, 17.6%)
CIE-LAB	lab(65.40, -17.20, -29.03)
CIE-LCH	lch(65.40, 33.74, 239.36°)
OKLab	oklab(69.46% -0.075 -0.0813)
OKLCH	oklch(69.46% 0.111 227.3)
XYZ	xyz(28.2497, 34.5577, 66.1418)
Luminance	0.3456 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AAD2 #D26A42

analogous

#42D2B2 #42AAD2 #4262D2

triadic

#42AAD2 #D242AA #AAD242

tetradic

#42AAD2 #B242D2 #D26A42 #62D242

square

#42AAD2 #B242D2 #D26A42 #62D242

split-complementary

#42AAD2 #D24262 #D2B242

monochromatic

#1E627C #2989AD #42AAD2 #73C0DE #A5D6EA

Accessibility & contrast

On white

2.65

#42AAD2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#42AAD2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AAD2

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AAD2	#FFFFFF	#000000	##000000
##42AAD2	1.00	2.65	7.91	7.91
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95A7D4

Deuteranopia (green-blind)

#8198D2

Tritanopia (blue-blind)

#00B6B7

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #42aad2;
/* rgb */ color: rgb(66, 170, 210);
/* oklch */ color: oklch(69.5% 0.111 227.3);

Tailwind

colors: {
  custom: {
    50: '#87c3e0',
    500: '#42aad2',
    950: '#000000',
  },
}

SCSS

$custom: #42aad2;
$custom-light: #87c3e0;
$custom-dark: #000000;

JSON

{
  "hex": "#42aad2",
  "rgb": {
    "r": 66,
    "g": 170,
    "b": 210
  },
  "hsl": {
    "h": 196.667,
    "s": 61.538,
    "l": 54.118
  },
  "oklch": {
    "l": 0.69456,
    "c": 0.11059,
    "h": 227.3
  },
  "luminance": 0.34561
}

Semantic roles & 50–950 ramp

primary

#42AAD2

secondary

#D7AA99

accent

#7043E5

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #42AAD2

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

Preview Lab → · Contrast checker → · Palette generator →