#647C71#647C71

#647C71 is a mid, muted teal. Relative luminance 0.183; OKLCH L 56.4% C 0.033 H 165.7°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#647C71
RGB	rgb(100, 124, 113)
HSL	hsl(153, 11%, 44%)
HSV	hsv(153, 19%, 49%)
CMYK	cmyk(19.4%, 0%, 8.9%, 51.4%)
CIE-LAB	lab(49.88, -11.12, 3.13)
CIE-LCH	lch(49.88, 11.55, 164.30°)
OKLab	oklab(56.38% -0.0316 0.0081)
OKLCH	oklch(56.38% 0.033 165.7)
XYZ	xyz(15.4430, 18.3164, 18.3414)
Luminance	0.1832 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647C71 #7C646F

analogous

#647C65 #647C71 #647B7C

triadic

#647C71 #71647C #7C7164

tetradic

#647C71 #65647C #7C646F #7B7C64

square

#647C71 #65647C #7C646F #7B7C64

split-complementary

#647C71 #7C647B #7C6564

monochromatic

#2D3833 #495A52 #647C71 #839B90 #A4B6AE

Accessibility & contrast

On white

4.50

#647C71 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#647C71 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647C71

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647C71	#FFFFFF	#000000	##000000
##647C71	1.00	4.50	4.66	4.66
#FFFFFF	4.50	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B7870

Deuteranopia (green-blind)

#767572

Tritanopia (blue-blind)

#5F7C79

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #647c71;
/* rgb */ color: rgb(100, 124, 113);
/* oklch */ color: oklch(56.4% 0.033 165.7);

Tailwind

colors: {
  custom: {
    50: '#90a299',
    500: '#647c71',
    950: '#000000',
  },
}

SCSS

$custom: #647c71;
$custom-light: #90a299;
$custom-dark: #000000;

JSON

{
  "hex": "#647c71",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 113
  },
  "hsl": {
    "h": 152.5,
    "s": 10.714,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56382,
    "c": 0.03267,
    "h": 165.7
  },
  "luminance": 0.18317
}

Semantic roles & 50–950 ramp

primary

#647C71

secondary

#A5979D

accent

#7491B4

background

#F8F9F9

surface

#F0F2F2

border

#CBCCCC

text

#0C0F0E

muted

#7D7E7E

Preview Lab

Preview with #647C71

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

Preview Lab → · Contrast checker → · Palette generator →