#637392#637392

#637392 is a mid, muted blue. Relative luminance 0.170; OKLCH L 55.4% C 0.052 H 263.4°. Best body text is #FFFFFF at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#637392
RGB	rgb(99, 115, 146)
HSL	hsl(220, 19%, 48%)
HSV	hsv(220, 32%, 57%)
CMYK	cmyk(32.2%, 21.2%, 0%, 42.7%)
CIE-LAB	lab(48.25, 1.79, -18.79)
CIE-LCH	lch(48.25, 18.88, 275.45°)
OKLab	oklab(55.44% -0.006 -0.0518)
OKLCH	oklch(55.44% 0.052 263.4)
XYZ	xyz(16.4631, 16.9888, 29.6003)
Luminance	0.1699 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637392 #928263

analogous

#638B92 #637392 #6A6392

triadic

#637392 #926373 #739263

tetradic

#637392 #92638B #928263 #63926A

square

#637392 #92638B #928263 #63926A

split-complementary

#637392 #926A63 #8B9263

monochromatic

#323A49 #4A566E #637392 #8693AD #AAB3C5

Accessibility & contrast

On white

4.78

#637392 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.40

#637392 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #637392

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637392	#FFFFFF	#000000	##FFFFFF
##637392	1.00	4.78	4.40	4.78
#FFFFFF	4.78	1.00	21.00	1.00
#000000	4.40	21.00	1.00	21.00
##FFFFFF	4.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#697593

Deuteranopia (green-blind)

#647191

Tritanopia (blue-blind)

#56797D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #637392;
/* rgb */ color: rgb(99, 115, 146);
/* oklch */ color: oklch(55.4% 0.052 263.4);

Tailwind

colors: {
  custom: {
    50: '#909bb2',
    500: '#637392',
    950: '#000000',
  },
}

SCSS

$custom: #637392;
$custom-light: #909bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#637392",
  "rgb": {
    "r": 99,
    "g": 115,
    "b": 146
  },
  "hsl": {
    "h": 219.574,
    "s": 19.184,
    "l": 48.039
  },
  "oklch": {
    "l": 0.55435,
    "c": 0.05215,
    "h": 263.4
  },
  "luminance": 0.16989
}

Semantic roles & 50–950 ramp

primary

#637392

secondary

#B4AC9D

accent

#A16CBC

background

#F8F9FA

surface

#F0F2F5

border

#CBCCCF

text

#0D0E10

muted

#7D7E7F

Preview Lab

Preview with #637392

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

Preview Lab → · Contrast checker → · Palette generator →