#42ABC7#42ABC7

#42ABC7 is a light, moderate cyan. Relative luminance 0.344; OKLCH L 69.2% C 0.103 H 218.8°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#42ABC7
RGB	rgb(66, 171, 199)
HSL	hsl(193, 54%, 52%)
HSV	hsv(193, 67%, 78%)
CMYK	cmyk(66.8%, 14.1%, 0%, 22%)
CIE-LAB	lab(65.28, -21.21, -23.13)
CIE-LCH	lch(65.28, 31.38, 227.47°)
OKLab	oklab(69.22% -0.0802 -0.0644)
OKLCH	oklch(69.22% 0.103 218.8)
XYZ	xyz(27.1142, 34.4046, 59.2335)
Luminance	0.3441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42ABC7 #C75E42

analogous

#42C7A1 #42ABC7 #4268C7

triadic

#42ABC7 #C742AB #ABC742

tetradic

#42ABC7 #A142C7 #C75E42 #68C742

square

#42ABC7 #A142C7 #C75E42 #68C742

split-complementary

#42ABC7 #C74268 #C7A142

monochromatic

#215E6E #2F869D #42ABC7 #71C0D5 #A0D5E3

Accessibility & contrast

On white

2.66

#42ABC7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#42ABC7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42ABC7

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42ABC7	#FFFFFF	#000000	##000000
##42ABC7	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A6C9

Deuteranopia (green-blind)

#8698C7

Tritanopia (blue-blind)

#00B4B4

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #42abc7;
/* rgb */ color: rgb(66, 171, 199);
/* oklch */ color: oklch(69.2% 0.103 218.8);

Tailwind

colors: {
  custom: {
    50: '#86c4d8',
    500: '#42abc7',
    950: '#000000',
  },
}

SCSS

$custom: #42abc7;
$custom-light: #86c4d8;
$custom-dark: #000000;

JSON

{
  "hex": "#42abc7",
  "rgb": {
    "r": 66,
    "g": 171,
    "b": 199
  },
  "hsl": {
    "h": 192.632,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.69221,
    "c": 0.10285,
    "h": 218.8
  },
  "luminance": 0.34408
}

Semantic roles & 50–950 ramp

primary

#42ABC7

secondary

#D0A295

accent

#694ADE

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #42ABC7

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

Preview Lab → · Contrast checker → · Palette generator →