#42ABC1#42ABC1

#42ABC1 is a light, moderate cyan. Relative luminance 0.341; OKLCH L 69.0% C 0.100 H 214.1°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#42ABC1
RGB	rgb(66, 171, 193)
HSL	hsl(190, 51%, 51%)
HSV	hsv(190, 66%, 76%)
CMYK	cmyk(65.8%, 11.4%, 0%, 24.3%)
CIE-LAB	lab(65.07, -23.07, -20.12)
CIE-LCH	lch(65.07, 30.61, 221.10°)
OKLab	oklab(68.98% -0.0825 -0.0559)
OKLCH	oklch(68.98% 0.1 214.1)
XYZ	xyz(26.4313, 34.1314, 55.6368)
Luminance	0.3413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ABC1 #C15842

analogous

#42C198 #42ABC1 #426BC1

triadic

#42ABC1 #C142AB #ABC142

tetradic

#42ABC1 #9842C1 #C15842 #6BC142

square

#42ABC1 #9842C1 #C15842 #6BC142

split-complementary

#42ABC1 #C1426B #C19842

monochromatic

#225B67 #318495 #42ABC1 #70BFD0 #9ED4DF

Accessibility & contrast

On white

2.68

#42ABC1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#42ABC1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ABC1

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ABC1	#FFFFFF	#000000	##000000
##42ABC1	1.00	2.68	7.83	7.83
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.83	21.00	1.00	1.00
##000000	7.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BA6C2

Deuteranopia (green-blind)

#8998C1

Tritanopia (blue-blind)

#00B3B2

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #42abc1;
/* rgb */ color: rgb(66, 171, 193);
/* oklch */ color: oklch(69.0% 0.100 214.1);

Tailwind

colors: {
  custom: {
    50: '#85c4d3',
    500: '#42abc1',
    950: '#000000',
  },
}

SCSS

$custom: #42abc1;
$custom-light: #85c4d3;
$custom-dark: #000000;

JSON

{
  "hex": "#42abc1",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 193
  },
  "hsl": {
    "h": 190.394,
    "s": 50.598,
    "l": 50.784
  },
  "oklch": {
    "l": 0.68977,
    "c": 0.09972,
    "h": 214.1
  },
  "luminance": 0.34134
}

Semantic roles & 50–950 ramp

primary

#42ABC1

secondary

#CC9D93

accent

#664EDA

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #42ABC1

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

Preview Lab → · Contrast checker → · Palette generator →