#647680#647680

#647680 is a mid, muted cyan. Relative luminance 0.172; OKLCH L 55.5% C 0.026 H 232.2°. Best body text is #FFFFFF at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#647680
RGB	rgb(100, 118, 128)
HSL	hsl(201, 12%, 45%)
HSV	hsv(201, 22%, 50%)
CMYK	cmyk(21.9%, 7.8%, 0%, 49.8%)
CIE-LAB	lab(48.54, -4.27, -7.69)
CIE-LCH	lch(48.54, 8.80, 240.98°)
OKLab	oklab(55.47% -0.0162 -0.0209)
OKLCH	oklch(55.47% 0.026 232.2)
XYZ	xyz(15.6292, 17.2242, 22.9190)
Luminance	0.1722 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647680 #806E64

analogous

#64807C #647680 #646880

triadic

#647680 #806476 #768064

tetradic

#647680 #7C6480 #806E64 #688064

square

#647680 #7C6480 #806E64 #688064

split-complementary

#647680 #806468 #807C64

monochromatic

#2E373B #49565E #647680 #83949E #A5B2B9

Accessibility & contrast

On white

4.72

#647680 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#647680 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #647680

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647680	#FFFFFF	#000000	##FFFFFF
##647680	1.00	4.72	4.44	4.72
#FFFFFF	4.72	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717581

Deuteranopia (green-blind)

#6D7280

Tritanopia (blue-blind)

#5C7979

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #647680;
/* rgb */ color: rgb(100, 118, 128);
/* oklch */ color: oklch(55.5% 0.026 232.2);

Tailwind

colors: {
  custom: {
    50: '#909da4',
    500: '#647680',
    950: '#000000',
  },
}

SCSS

$custom: #647680;
$custom-light: #909da4;
$custom-dark: #000000;

JSON

{
  "hex": "#647680",
  "rgb": {
    "r": 100,
    "g": 118,
    "b": 128
  },
  "hsl": {
    "h": 201.429,
    "s": 12.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.55471,
    "c": 0.02642,
    "h": 232.2
  },
  "luminance": 0.17225
}

Semantic roles & 50–950 ramp

primary

#647680

secondary

#A89E98

accent

#8A73B5

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0E0F

muted

#7D7E7F

Preview Lab

Preview with #647680

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

Preview Lab → · Contrast checker → · Palette generator →