#647C80#647C80

#647C80 is a mid, muted teal. Relative luminance 0.187; OKLCH L 56.9% C 0.029 H 208.8°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#647C80
RGB	rgb(100, 124, 128)
HSL	hsl(189, 12%, 45%)
HSV	hsv(189, 22%, 50%)
CMYK	cmyk(21.9%, 3.1%, 0%, 49.8%)
CIE-LAB	lab(50.31, -7.71, -5.06)
CIE-LCH	lch(50.31, 9.22, 213.25°)
OKLab	oklab(56.87% -0.025 -0.0137)
OKLCH	oklch(56.87% 0.029 208.8)
XYZ	xyz(16.3584, 18.6826, 23.1621)
Luminance	0.1868 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C80 #806864

analogous

#648076 #647C80 #646E80

triadic

#647C80 #80647C #7C8064

tetradic

#647C80 #766480 #806864 #6E8064

square

#647C80 #766480 #806864 #6E8064

split-complementary

#647C80 #80646E #807664

monochromatic

#2E393B #495B5E #647C80 #839A9E #A5B6B9

Accessibility & contrast

On white

4.43

#647C80 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#647C80 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647C80

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C80	#FFFFFF	#000000	##000000
##647C80	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#787A80

Deuteranopia (green-blind)

#737680

Tritanopia (blue-blind)

#5C7E7D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #647c80;
/* rgb */ color: rgb(100, 124, 128);
/* oklch */ color: oklch(56.9% 0.029 208.8);

Tailwind

colors: {
  custom: {
    50: '#90a2a4',
    500: '#647c80',
    950: '#000000',
  },
}

SCSS

$custom: #647c80;
$custom-light: #90a2a4;
$custom-dark: #000000;

JSON

{
  "hex": "#647c80",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 128
  },
  "hsl": {
    "h": 188.571,
    "s": 12.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56872,
    "c": 0.02853,
    "h": 208.8
  },
  "luminance": 0.18683
}

Semantic roles & 50–950 ramp

primary

#647C80

secondary

#A89A98

accent

#7C73B5

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0C0F0F

muted

#7D7E7F

Preview Lab

Preview with #647C80

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

Preview Lab → · Contrast checker → · Palette generator →