#42717C#42717C

#42717C is a mid, muted cyan. Relative luminance 0.144; OKLCH L 51.9% C 0.054 H 214.4°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#42717C
RGB	rgb(66, 113, 124)
HSL	hsl(191, 31%, 37%)
HSV	hsv(191, 47%, 49%)
CMYK	cmyk(46.8%, 8.9%, 0%, 51.4%)
CIE-LAB	lab(44.83, -12.86, -11.08)
CIE-LCH	lch(44.83, 16.98, 220.76°)
OKLab	oklab(51.94% -0.0446 -0.0305)
OKLCH	oklch(51.94% 0.054 214.4)
XYZ	xyz(11.7886, 14.4228, 21.2275)
Luminance	0.1442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42717C #7C4D42

analogous

#427C6A #42717C #42547C

triadic

#42717C #7C4271 #717C42

tetradic

#42717C #6A427C #7C4D42 #547C42

square

#42717C #6A427C #7C4D42 #547C42

split-complementary

#42717C #7C4254 #7C6A42

monochromatic

#17282C #2D4D54 #42717C #5795A4 #7EAFBA

Accessibility & contrast

On white

5.41

#42717C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#42717C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42717C

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42717C	#FFFFFF	#000000	##FFFFFF
##42717C	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696E7D

Deuteranopia (green-blind)

#60677C

Tritanopia (blue-blind)

#267574

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #42717c;
/* rgb */ color: rgb(66, 113, 124);
/* oklch */ color: oklch(51.9% 0.054 214.4);

Tailwind

colors: {
  custom: {
    50: '#7a9aa1',
    500: '#42717c',
    950: '#000000',
  },
}

SCSS

$custom: #42717c;
$custom-light: #7a9aa1;
$custom-dark: #000000;

JSON

{
  "hex": "#42717c",
  "rgb": {
    "r": 66,
    "g": 113,
    "b": 124
  },
  "hsl": {
    "h": 191.379,
    "s": 30.526,
    "l": 37.255
  },
  "oklch": {
    "l": 0.51942,
    "c": 0.05407,
    "h": 214.4
  },
  "luminance": 0.14424
}

Semantic roles & 50–950 ramp

primary

#42717C

secondary

#A57E75

accent

#7461C7

background

#F7F9F9

surface

#EEF2F2

border

#C9CCCC

text

#090E0F

muted

#7B7E7E

Preview Lab

Preview with #42717C

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

Preview Lab → · Contrast checker → · Palette generator →