#42ABD0#42ABD0

#42ABD0 is a light, moderate cyan. Relative luminance 0.348; OKLCH L 69.6% C 0.109 H 225.2°. Best body text is #000000 at 7.97:1 contrast (WCAG AA passes).

Color values

HEX	#42ABD0
RGB	rgb(66, 171, 208)
HSL	hsl(196, 60%, 54%)
HSV	hsv(196, 68%, 82%)
CMYK	cmyk(68.3%, 17.8%, 0%, 18.4%)
CIE-LAB	lab(65.62, -18.37, -27.59)
CIE-LCH	lch(65.62, 33.15, 236.35°)
OKLab	oklab(69.6% -0.0767 -0.0771)
OKLCH	oklch(69.6% 0.109 225.2)
XYZ	xyz(28.1902, 34.8350, 64.9004)
Luminance	0.3484 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ABD0 #D06742

analogous

#42D0AE #42ABD0 #4264D0

triadic

#42ABD0 #D042AB #ABD042

tetradic

#42ABD0 #AE42D0 #D06742 #64D042

square

#42ABD0 #AE42D0 #D06742 #64D042

split-complementary

#42ABD0 #D04264 #D0AE42

monochromatic

#1E6279 #2A89AA #42ABD0 #73C1DC #A4D7E8

Accessibility & contrast

On white

2.64

#42ABD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.97

#42ABD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ABD0

7.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ABD0	#FFFFFF	#000000	##000000
##42ABD0	1.00	2.64	7.97	7.97
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.97	21.00	1.00	1.00
##000000	7.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97A8D2

Deuteranopia (green-blind)

#8399D0

Tritanopia (blue-blind)

#00B6B7

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #42abd0;
/* rgb */ color: rgb(66, 171, 208);
/* oklch */ color: oklch(69.6% 0.109 225.2);

Tailwind

colors: {
  custom: {
    50: '#87c4de',
    500: '#42abd0',
    950: '#000000',
  },
}

SCSS

$custom: #42abd0;
$custom-light: #87c4de;
$custom-dark: #000000;

JSON

{
  "hex": "#42abd0",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 208
  },
  "hsl": {
    "h": 195.634,
    "s": 60.169,
    "l": 53.725
  },
  "oklch": {
    "l": 0.69604,
    "c": 0.10881,
    "h": 225.2
  },
  "luminance": 0.34838
}

Semantic roles & 50–950 ramp

primary

#42ABD0

secondary

#D5A899

accent

#6E44E3

background

#F8FCFD

surface

#F0F8FB

border

#CBD1D4

text

#0D1215

muted

#7D8183

Preview Lab

Preview with #42ABD0

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

Preview Lab → · Contrast checker → · Palette generator →