#42ABC0#42ABC0

#42ABC0 is a light, moderate cyan. Relative luminance 0.341; OKLCH L 68.9% C 0.099 H 213.3°. Best body text is #000000 at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#42ABC0
RGB	rgb(66, 171, 192)
HSL	hsl(190, 50%, 51%)
HSV	hsv(190, 66%, 75%)
CMYK	cmyk(65.6%, 10.9%, 0%, 24.7%)
CIE-LAB	lab(65.03, -23.37, -19.62)
CIE-LCH	lch(65.03, 30.52, 220.01°)
OKLab	oklab(68.94% -0.0829 -0.0545)
OKLCH	oklch(68.94% 0.099 213.3)
XYZ	xyz(26.3201, 34.0870, 55.0513)
Luminance	0.3409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ABC0 #C05742

analogous

#42C096 #42ABC0 #426CC0

triadic

#42ABC0 #C042AB #ABC042

tetradic

#42ABC0 #9642C0 #C05742 #6CC042

square

#42ABC0 #9642C0 #C05742 #6CC042

split-complementary

#42ABC0 #C0426C #C09642

monochromatic

#225A66 #318394 #42ABC0 #70BFCF #9ED4DF

Accessibility & contrast

On white

2.69

#42ABC0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.82

#42ABC0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ABC0

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ABC0	#FFFFFF	#000000	##000000
##42ABC0	1.00	2.69	7.82	7.82
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.82	21.00	1.00	1.00
##000000	7.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BA5C1

Deuteranopia (green-blind)

#8998C0

Tritanopia (blue-blind)

#00B3B1

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #42abc0;
/* rgb */ color: rgb(66, 171, 192);
/* oklch */ color: oklch(68.9% 0.099 213.3);

Tailwind

colors: {
  custom: {
    50: '#85c4d3',
    500: '#42abc0',
    950: '#000000',
  },
}

SCSS

$custom: #42abc0;
$custom-light: #85c4d3;
$custom-dark: #000000;

JSON

{
  "hex": "#42abc0",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 192
  },
  "hsl": {
    "h": 190,
    "s": 50,
    "l": 50.588
  },
  "oklch": {
    "l": 0.68937,
    "c": 0.09927,
    "h": 213.3
  },
  "luminance": 0.3409
}

Semantic roles & 50–950 ramp

primary

#42ABC0

secondary

#CB9C93

accent

#654EDA

background

#F8FCFC

surface

#F0F8F9

border

#CBD1D2

text

#0C1214

muted

#7D8182

Preview Lab

Preview with #42ABC0

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

Preview Lab → · Contrast checker → · Palette generator →