#42ABC3#42ABC3

#42ABC3 is a light, moderate cyan. Relative luminance 0.342; OKLCH L 69.1% C 0.101 H 215.7°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#42ABC3
RGB	rgb(66, 171, 195)
HSL	hsl(191, 52%, 51%)
HSV	hsv(191, 66%, 76%)
CMYK	cmyk(66.2%, 12.3%, 0%, 23.5%)
CIE-LAB	lab(65.14, -22.45, -21.13)
CIE-LCH	lch(65.14, 30.83, 223.26°)
OKLab	oklab(69.06% -0.0817 -0.0588)
OKLCH	oklch(69.06% 0.101 215.7)
XYZ	xyz(26.6559, 34.2213, 56.8197)
Luminance	0.3422 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ABC3 #C35A42

analogous

#42C39A #42ABC3 #426AC3

triadic

#42ABC3 #C342AB #ABC342

tetradic

#42ABC3 #9A42C3 #C35A42 #6AC342

square

#42ABC3 #9A42C3 #C35A42 #6AC342

split-complementary

#42ABC3 #C3426A #C39A42

monochromatic

#215C69 #308498 #42ABC3 #70C0D2 #9FD4E0

Accessibility & contrast

On white

2.68

#42ABC3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.84

#42ABC3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ABC3

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ABC3	#FFFFFF	#000000	##000000
##42ABC3	1.00	2.68	7.84	7.84
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.84	21.00	1.00	1.00
##000000	7.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA6C4

Deuteranopia (green-blind)

#8898C3

Tritanopia (blue-blind)

#00B4B2

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #42abc3;
/* rgb */ color: rgb(66, 171, 195);
/* oklch */ color: oklch(69.1% 0.101 215.7);

Tailwind

colors: {
  custom: {
    50: '#85c4d5',
    500: '#42abc3',
    950: '#000000',
  },
}

SCSS

$custom: #42abc3;
$custom-light: #85c4d5;
$custom-dark: #000000;

JSON

{
  "hex": "#42abc3",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 195
  },
  "hsl": {
    "h": 191.163,
    "s": 51.807,
    "l": 51.176
  },
  "oklch": {
    "l": 0.69057,
    "c": 0.10068,
    "h": 215.7
  },
  "luminance": 0.34224
}

Semantic roles & 50–950 ramp

primary

#42ABC3

secondary

#CD9F94

accent

#674DDB

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #42ABC3

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

Preview Lab → · Contrast checker → · Palette generator →