#647A78#647A78

#647A78 is a mid, muted teal. Relative luminance 0.180; OKLCH L 56.1% C 0.026 H 189.7°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#647A78
RGB	rgb(100, 122, 120)
HSL	hsl(175, 10%, 44%)
HSV	hsv(175, 18%, 48%)
CMYK	cmyk(18%, 0%, 1.6%, 52.2%)
CIE-LAB	lab(49.48, -8.44, -1.58)
CIE-LCH	lch(49.48, 8.59, 190.59°)
OKLab	oklab(56.13% -0.0255 -0.0043)
OKLCH	oklch(56.13% 0.026 189.7)
XYZ	xyz(15.6043, 17.9840, 20.4148)
Luminance	0.1798 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647A78 #7A6466

analogous

#647A6D #647A78 #64717A

triadic

#647A78 #78647A #7A7864

tetradic

#647A78 #6D647A #7A6466 #717A64

square

#647A78 #6D647A #7A6466 #717A64

split-complementary

#647A78 #7A6471 #7A6D64

monochromatic

#2D3736 #485857 #647A78 #829997 #A4B4B3

Accessibility & contrast

On white

4.57

#647A78 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#647A78 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647A78

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647A78	#FFFFFF	#000000	##000000
##647A78	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#777878

Deuteranopia (green-blind)

#737478

Tritanopia (blue-blind)

#5E7B79

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #647a78;
/* rgb */ color: rgb(100, 122, 120);
/* oklch */ color: oklch(56.1% 0.026 189.7);

Tailwind

colors: {
  custom: {
    50: '#90a09e',
    500: '#647a78',
    950: '#000000',
  },
}

SCSS

$custom: #647a78;
$custom-light: #90a09e;
$custom-dark: #000000;

JSON

{
  "hex": "#647a78",
  "rgb": {
    "r": 100,
    "g": 122,
    "b": 120
  },
  "hsl": {
    "h": 174.545,
    "s": 9.91,
    "l": 43.529
  },
  "oklch": {
    "l": 0.56128,
    "c": 0.02591,
    "h": 189.7
  },
  "luminance": 0.17984
}

Semantic roles & 50–950 ramp

primary

#647A78

secondary

#A49697

accent

#757BB3

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0E0E

muted

#7D7E7E

Preview Lab

Preview with #647A78

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

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