#42AAC7#42AAC7

#42AAC7 is a light, moderate cyan. Relative luminance 0.340; OKLCH L 69.0% C 0.103 H 219.7°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#42AAC7
RGB	rgb(66, 170, 199)
HSL	hsl(193, 54%, 52%)
HSV	hsv(193, 67%, 78%)
CMYK	cmyk(66.8%, 14.6%, 0%, 22%)
CIE-LAB	lab(64.98, -20.69, -23.58)
CIE-LCH	lch(64.98, 31.37, 228.74°)
OKLab	oklab(68.98% -0.0791 -0.0657)
OKLCH	oklch(68.98% 0.103 219.7)
XYZ	xyz(26.9261, 34.0283, 59.1708)
Luminance	0.3403 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42AAC7 #C75F42

analogous

#42C7A2 #42AAC7 #4267C7

triadic

#42AAC7 #C742AA #AAC742

tetradic

#42AAC7 #A242C7 #C75F42 #67C742

square

#42AAC7 #A242C7 #C75F42 #67C742

split-complementary

#42AAC7 #C74267 #C7A242

monochromatic

#215D6E #2F859D #42AAC7 #71BFD5 #A0D4E3

Accessibility & contrast

On white

2.69

#42AAC7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#42AAC7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #42AAC7

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42AAC7	#FFFFFF	#000000	##000000
##42AAC7	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A6C9

Deuteranopia (green-blind)

#8598C7

Tritanopia (blue-blind)

#00B4B3

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #42aac7;
/* rgb */ color: rgb(66, 170, 199);
/* oklch */ color: oklch(69.0% 0.103 219.7);

Tailwind

colors: {
  custom: {
    50: '#86c3d8',
    500: '#42aac7',
    950: '#000000',
  },
}

SCSS

$custom: #42aac7;
$custom-light: #86c3d8;
$custom-dark: #000000;

JSON

{
  "hex": "#42aac7",
  "rgb": {
    "r": 66,
    "g": 170,
    "b": 199
  },
  "hsl": {
    "h": 193.083,
    "s": 54.286,
    "l": 51.961
  },
  "oklch": {
    "l": 0.68983,
    "c": 0.10288,
    "h": 219.7
  },
  "luminance": 0.34031
}

Semantic roles & 50–950 ramp

primary

#42AAC7

secondary

#D0A295

accent

#6A4ADE

background

#F8FCFD

surface

#F0F8FA

border

#CBD1D3

text

#0C1214

muted

#7D8183

Preview Lab

Preview with #42AAC7

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

Preview Lab → · Contrast checker → · Palette generator →