#42AED3#42AED3

#42AED3 is a light, moderate cyan. Relative luminance 0.361; OKLCH L 70.4% C 0.110 H 224.6°. Best body text is #000000 at 8.23:1 contrast (WCAG AA passes).

Color values

HEX	#42AED3
RGB	rgb(66, 174, 211)
HSL	hsl(195, 62%, 54%)
HSV	hsv(195, 69%, 83%)
CMYK	cmyk(68.7%, 17.5%, 0%, 17.3%)
CIE-LAB	lab(66.62, -18.99, -27.71)
CIE-LCH	lch(66.62, 33.59, 235.58°)
OKLab	oklab(70.44% -0.0786 -0.0775)
OKLCH	oklch(70.44% 0.11 224.6)
XYZ	xyz(29.1359, 36.1302, 67.0537)
Luminance	0.3613 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AED3 #D36742

analogous

#42D3AF #42AED3 #4266D3

triadic

#42AED3 #D342AE #AED342

tetradic

#42AED3 #AF42D3 #D36742 #66D342

square

#42AED3 #AF42D3 #D36742 #66D342

split-complementary

#42AED3 #D34266 #D3AF42

monochromatic

#1D657D #298DAF #42AED3 #74C3DF #A5D9EA

Accessibility & contrast

On white

2.55

#42AED3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.23

#42AED3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AED3

8.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AED3	#FFFFFF	#000000	##000000
##42AED3	1.00	2.55	8.23	8.23
#FFFFFF	2.55	1.00	21.00	21.00
#000000	8.23	21.00	1.00	1.00
##000000	8.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99AAD5

Deuteranopia (green-blind)

#859CD3

Tritanopia (blue-blind)

#00B9BA

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #42aed3;
/* rgb */ color: rgb(66, 174, 211);
/* oklch */ color: oklch(70.4% 0.110 224.6);

Tailwind

colors: {
  custom: {
    50: '#88c6e0',
    500: '#42aed3',
    950: '#000000',
  },
}

SCSS

$custom: #42aed3;
$custom-light: #88c6e0;
$custom-dark: #000000;

JSON

{
  "hex": "#42aed3",
  "rgb": {
    "r": 66,
    "g": 174,
    "b": 211
  },
  "hsl": {
    "h": 195.31,
    "s": 62.232,
    "l": 54.314
  },
  "oklch": {
    "l": 0.70441,
    "c": 0.11039,
    "h": 224.6
  },
  "luminance": 0.36134
}

Semantic roles & 50–950 ramp

primary

#42AED3

secondary

#D7A99A

accent

#6C42E5

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #42AED3

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

Preview Lab → · Contrast checker → · Palette generator →