#638583#638583

#638583 is a mid, muted teal. Relative luminance 0.211; OKLCH L 59.0% C 0.038 H 191.6°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#638583
RGB	rgb(99, 133, 131)
HSL	hsl(176, 15%, 45%)
HSV	hsv(176, 26%, 52%)
CMYK	cmyk(25.6%, 0%, 1.5%, 47.8%)
CIE-LAB	lab(53.02, -12.36, -2.82)
CIE-LCH	lch(53.02, 12.68, 192.84°)
OKLab	oklab(59.04% -0.0376 -0.0077)
OKLCH	oklch(59.04% 0.038 191.6)
XYZ	xyz(17.6286, 21.0656, 24.6055)
Luminance	0.2107 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638583 #856365

analogous

#638572 #638583 #637685

triadic

#638583 #836385 #858363

tetradic

#638583 #726385 #856365 #768563

square

#638583 #726385 #856365 #768563

split-complementary

#638583 #856376 #857263

monochromatic

#2F3F3E #496260 #638583 #83A2A1 #A6BDBB

Accessibility & contrast

On white

4.03

#638583 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#638583 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638583

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638583	#FFFFFF	#000000	##000000
##638583	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818183

Deuteranopia (green-blind)

#7A7D83

Tritanopia (blue-blind)

#588784

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #638583;
/* rgb */ color: rgb(99, 133, 131);
/* oklch */ color: oklch(59.0% 0.038 191.6);

Tailwind

colors: {
  custom: {
    50: '#90a8a7',
    500: '#638583',
    950: '#000000',
  },
}

SCSS

$custom: #638583;
$custom-light: #90a8a7;
$custom-dark: #000000;

JSON

{
  "hex": "#638583",
  "rgb": {
    "r": 99,
    "g": 133,
    "b": 131
  },
  "hsl": {
    "h": 176.471,
    "s": 14.655,
    "l": 45.49
  },
  "oklch": {
    "l": 0.59037,
    "c": 0.03842,
    "h": 191.6
  },
  "luminance": 0.21066
}

Semantic roles & 50–950 ramp

primary

#638583

secondary

#AB9899

accent

#7075B7

background

#F8FAFA

surface

#F0F4F4

border

#CBCECE

text

#0C0F0F

muted

#7D7F7F

Preview Lab

Preview with #638583

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

Preview Lab → · Contrast checker → · Palette generator →