#637D82#637D82

#637D82 is a mid, muted teal. Relative luminance 0.189; OKLCH L 57.1% C 0.031 H 210.6°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#637D82
RGB	rgb(99, 125, 130)
HSL	hsl(190, 14%, 45%)
HSV	hsv(190, 24%, 51%)
CMYK	cmyk(23.8%, 3.8%, 0%, 49%)
CIE-LAB	lab(50.61, -8.13, -5.80)
CIE-LCH	lch(50.61, 9.99, 215.52°)
OKLab	oklab(57.11% -0.0267 -0.0158)
OKLCH	oklch(57.11% 0.031 210.6)
XYZ	xyz(16.5073, 18.9310, 23.8991)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637D82 #826863

analogous

#638277 #637D82 #636E82

triadic

#637D82 #82637D #7D8263

tetradic

#637D82 #776382 #826863 #6E8263

square

#637D82 #776382 #826863 #6E8263

split-complementary

#637D82 #82636E #827763

monochromatic

#2E3A3D #495C5F #637D82 #829BA0 #A5B7BA

Accessibility & contrast

On white

4.39

#637D82 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#637D82 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #637D82

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637D82	#FFFFFF	#000000	##000000
##637D82	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#787B82

Deuteranopia (green-blind)

#737782

Tritanopia (blue-blind)

#59807E

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #637d82;
/* rgb */ color: rgb(99, 125, 130);
/* oklch */ color: oklch(57.1% 0.031 210.6);

Tailwind

colors: {
  custom: {
    50: '#90a2a6',
    500: '#637d82',
    950: '#000000',
  },
}

SCSS

$custom: #637d82;
$custom-light: #90a2a6;
$custom-dark: #000000;

JSON

{
  "hex": "#637d82",
  "rgb": {
    "r": 99,
    "g": 125,
    "b": 130
  },
  "hsl": {
    "h": 189.677,
    "s": 13.537,
    "l": 44.902
  },
  "oklch": {
    "l": 0.57108,
    "c": 0.03098,
    "h": 210.6
  },
  "luminance": 0.18932
}

Semantic roles & 50–950 ramp

primary

#637D82

secondary

#A99A97

accent

#7D71B6

background

#F8FAFA

surface

#F0F3F4

border

#CBCDCE

text

#0C0F0F

muted

#7D7F7F

Preview Lab

Preview with #637D82

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

Preview Lab → · Contrast checker → · Palette generator →