#638083#638083

#638083 is a mid, muted teal. Relative luminance 0.197; OKLCH L 57.9% C 0.033 H 204.1°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#638083
RGB	rgb(99, 128, 131)
HSL	hsl(186, 14%, 45%)
HSV	hsv(186, 24%, 51%)
CMYK	cmyk(24.4%, 2.3%, 0%, 48.6%)
CIE-LAB	lab(51.53, -9.58, -5.02)
CIE-LCH	lch(51.53, 10.82, 207.66°)
OKLab	oklab(57.85% -0.0305 -0.0137)
OKLCH	oklch(57.85% 0.033 204.1)
XYZ	xyz(16.9603, 19.7290, 24.3828)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#638083 #836663

analogous

#638376 #638083 #637083

triadic

#638083 #836380 #808363

tetradic

#638083 #766383 #836663 #708363

square

#638083 #766383 #836663 #708363

split-complementary

#638083 #836370 #837663

monochromatic

#2E3C3D #495E60 #638083 #829EA1 #A5B9BB

Accessibility & contrast

On white

4.25

#638083 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#638083 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #638083

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##638083	#FFFFFF	#000000	##000000
##638083	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B7D83

Deuteranopia (green-blind)

#767983

Tritanopia (blue-blind)

#598281

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #638083;
/* rgb */ color: rgb(99, 128, 131);
/* oklch */ color: oklch(57.9% 0.033 204.1);

Tailwind

colors: {
  custom: {
    50: '#90a4a7',
    500: '#638083',
    950: '#000000',
  },
}

SCSS

$custom: #638083;
$custom-light: #90a4a7;
$custom-dark: #000000;

JSON

{
  "hex": "#638083",
  "rgb": {
    "r": 99,
    "g": 128,
    "b": 131
  },
  "hsl": {
    "h": 185.625,
    "s": 13.913,
    "l": 45.098
  },
  "oklch": {
    "l": 0.57851,
    "c": 0.03346,
    "h": 204.1
  },
  "luminance": 0.1973
}

Semantic roles & 50–950 ramp

primary

#638083

secondary

#AA9998

accent

#7871B7

background

#F8FAFA

surface

#F0F4F4

border

#CBCECE

text

#0C0F0F

muted

#7D7F7F

Preview Lab

Preview with #638083

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

Preview Lab → · Contrast checker → · Palette generator →