#647C7C#647C7C

#647C7C is a mid, muted teal. Relative luminance 0.186; OKLCH L 56.7% C 0.028 H 196.4°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#647C7C
RGB	rgb(100, 124, 124)
HSL	hsl(180, 11%, 44%)
HSV	hsv(180, 19%, 49%)
CMYK	cmyk(19.4%, 0%, 0%, 51.4%)
CIE-LAB	lab(50.19, -8.66, -2.88)
CIE-LCH	lch(50.19, 9.12, 198.43°)
OKLab	oklab(56.74% -0.0267 -0.0079)
OKLCH	oklch(56.74% 0.028 196.4)
XYZ	xyz(16.1002, 18.5793, 21.8027)
Luminance	0.1858 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C7C #7C6464

analogous

#647C70 #647C7C #64707C

triadic

#647C7C #7C647C #7C7C64

tetradic

#647C7C #70647C #7C6464 #707C64

square

#647C7C #70647C #7C6464 #707C64

split-complementary

#647C7C #7C6470 #7C7064

monochromatic

#2D3838 #495A5A #647C7C #839B9B #A4B6B6

Accessibility & contrast

On white

4.45

#647C7C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#647C7C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647C7C

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C7C	#FFFFFF	#000000	##000000
##647C7C	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#797A7C

Deuteranopia (green-blind)

#74767C

Tritanopia (blue-blind)

#5D7E7C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #647c7c;
/* rgb */ color: rgb(100, 124, 124);
/* oklch */ color: oklch(56.7% 0.028 196.4);

Tailwind

colors: {
  custom: {
    50: '#90a2a1',
    500: '#647c7c',
    950: '#000000',
  },
}

SCSS

$custom: #647c7c;
$custom-light: #90a2a1;
$custom-dark: #000000;

JSON

{
  "hex": "#647c7c",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 124
  },
  "hsl": {
    "h": 180,
    "s": 10.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56735,
    "c": 0.02787,
    "h": 196.4
  },
  "luminance": 0.1858
}

Semantic roles & 50–950 ramp

primary

#647C7C

secondary

#A59797

accent

#7474B4

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0F0F

muted

#7D7E7E

Preview Lab

Preview with #647C7C

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

Preview Lab → · Contrast checker → · Palette generator →