#42ABC2#42ABC2

#42ABC2 is a light, moderate cyan. Relative luminance 0.342; OKLCH L 69.0% C 0.100 H 214.9°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#42ABC2
RGB	rgb(66, 171, 194)
HSL	hsl(191, 51%, 51%)
HSV	hsv(191, 66%, 76%)
CMYK	cmyk(66%, 11.9%, 0%, 23.9%)
CIE-LAB	lab(65.10, -22.76, -20.62)
CIE-LCH	lch(65.10, 30.71, 222.18°)
OKLab	oklab(69.02% -0.0821 -0.0574)
OKLCH	oklch(69.02% 0.1 214.9)
XYZ	xyz(26.5432, 34.1762, 56.2263)
Luminance	0.3418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ABC2 #C25942

analogous

#42C299 #42ABC2 #426BC2

triadic

#42ABC2 #C242AB #ABC242

tetradic

#42ABC2 #9942C2 #C25942 #6BC242

square

#42ABC2 #9942C2 #C25942 #6BC242

split-complementary

#42ABC2 #C2426B #C29942

monochromatic

#225B68 #318496 #42ABC2 #70C0D1 #9FD4E0

Accessibility & contrast

On white

2.68

#42ABC2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.84

#42ABC2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ABC2

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ABC2	#FFFFFF	#000000	##000000
##42ABC2	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)

#9BA6C3

Deuteranopia (green-blind)

#8898C2

Tritanopia (blue-blind)

#00B4B2

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #42abc2;
/* rgb */ color: rgb(66, 171, 194);
/* oklch */ color: oklch(69.0% 0.100 214.9);

Tailwind

colors: {
  custom: {
    50: '#85c4d4',
    500: '#42abc2',
    950: '#000000',
  },
}

SCSS

$custom: #42abc2;
$custom-light: #85c4d4;
$custom-dark: #000000;

JSON

{
  "hex": "#42abc2",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 194
  },
  "hsl": {
    "h": 190.781,
    "s": 51.2,
    "l": 50.98
  },
  "oklch": {
    "l": 0.69017,
    "c": 0.10019,
    "h": 214.9
  },
  "luminance": 0.34179
}

Semantic roles & 50–950 ramp

primary

#42ABC2

secondary

#CC9E94

accent

#674DDB

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #42ABC2

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

Preview Lab → · Contrast checker → · Palette generator →