#637795#637795

#637795 is a mid, muted blue. Relative luminance 0.180; OKLCH L 56.5% C 0.052 H 258.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#637795
RGB	rgb(99, 119, 149)
HSL	hsl(216, 20%, 49%)
HSV	hsv(216, 34%, 58%)
CMYK	cmyk(33.6%, 20.1%, 0%, 41.6%)
CIE-LAB	lab(49.51, 0.23, -18.62)
CIE-LCH	lch(49.51, 18.62, 270.72°)
OKLab	oklab(56.47% -0.0106 -0.0513)
OKLCH	oklch(56.47% 0.052 258.3)
XYZ	xyz(17.1656, 18.0155, 31.0008)
Luminance	0.1802 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#637795 #958163

analogous

#639095 #637795 #686395

triadic

#637795 #956377 #779563

tetradic

#637795 #956390 #958163 #639568

square

#637795 #956390 #958163 #639568

split-complementary

#637795 #956863 #909563

monochromatic

#323C4B #4B5A70 #637795 #8697AF #ABB6C7

Accessibility & contrast

On white

4.56

#637795 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#637795 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #637795

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##637795	#FFFFFF	#000000	##000000
##637795	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7896

Deuteranopia (green-blind)

#677494

Tritanopia (blue-blind)

#547D81

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #637795;
/* rgb */ color: rgb(99, 119, 149);
/* oklch */ color: oklch(56.5% 0.052 258.3);

Tailwind

colors: {
  custom: {
    50: '#919eb4',
    500: '#637795',
    950: '#000000',
  },
}

SCSS

$custom: #637795;
$custom-light: #919eb4;
$custom-dark: #000000;

JSON

{
  "hex": "#637795",
  "rgb": {
    "r": 99,
    "g": 119,
    "b": 149
  },
  "hsl": {
    "h": 216,
    "s": 20.161,
    "l": 48.627
  },
  "oklch": {
    "l": 0.56468,
    "c": 0.0524,
    "h": 258.3
  },
  "luminance": 0.18016
}

Semantic roles & 50–950 ramp

primary

#637795

secondary

#B6AC9E

accent

#9C6BBD

background

#F8F9FB

surface

#F0F2F6

border

#CBCCD0

text

#0D0E11

muted

#7D7E80

Preview Lab

Preview with #637795

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

Preview Lab → · Contrast checker → · Palette generator →