#647BA2#647BA2

#647BA2 is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.0% C 0.066 H 260.8°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#647BA2
RGB	rgb(100, 123, 162)
HSL	hsl(218, 25%, 51%)
HSV	hsv(218, 38%, 64%)
CMYK	cmyk(38.3%, 24.1%, 0%, 36.5%)
CIE-LAB	lab(51.25, 1.76, -23.55)
CIE-LCH	lch(51.25, 23.61, 274.28°)
OKLab	oklab(58.01% -0.0106 -0.0653)
OKLCH	oklch(58.01% 0.066 260.8)
XYZ	xyz(18.8581, 19.4830, 36.9423)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647BA2 #A28B64

analogous

#649AA2 #647BA2 #6C64A2

triadic

#647BA2 #A2647B #7BA264

tetradic

#647BA2 #A2649A #A28B64 #64A26C

square

#647BA2 #A2649A #A28B64 #64A26C

split-complementary

#647BA2 #A26C64 #9AA264

monochromatic

#344157 #4B5E7E #647BA2 #8A9CB9 #B1BCD0

Accessibility & contrast

On white

4.29

#647BA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#647BA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647BA2

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647BA2	#FFFFFF	#000000	##000000
##647BA2	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7DA4

Deuteranopia (green-blind)

#6777A1

Tritanopia (blue-blind)

#508388

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #647ba2;
/* rgb */ color: rgb(100, 123, 162);
/* oklch */ color: oklch(58.0% 0.066 260.8);

Tailwind

colors: {
  custom: {
    50: '#92a1bd',
    500: '#647ba2',
    950: '#000000',
  },
}

SCSS

$custom: #647ba2;
$custom-light: #92a1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#647ba2",
  "rgb": {
    "r": 100,
    "g": 123,
    "b": 162
  },
  "hsl": {
    "h": 217.742,
    "s": 25,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58013,
    "c": 0.06617,
    "h": 260.8
  },
  "luminance": 0.19484
}

Semantic roles & 50–950 ramp

primary

#647BA2

secondary

#BFB4A3

accent

#A066C1

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E12

muted

#7E7E81

Preview Lab

Preview with #647BA2

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

Preview Lab → · Contrast checker → · Palette generator →