#647CAA#647CAA

#647CAA is a mid, moderate blue. Relative luminance 0.200; OKLCH L 58.6% C 0.076 H 263.0°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#647CAA
RGB	rgb(100, 124, 170)
HSL	hsl(219, 29%, 53%)
HSV	hsv(219, 41%, 67%)
CMYK	cmyk(41.2%, 27.1%, 0%, 33.3%)
CIE-LAB	lab(51.87, 3.46, -27.23)
CIE-LCH	lch(51.87, 27.45, 277.23°)
OKLab	oklab(58.61% -0.0093 -0.0759)
OKLCH	oklch(58.61% 0.076 263)
XYZ	xyz(19.7166, 20.0259, 40.8489)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CAA #AA9264

analogous

#649FAA #647CAA #6F64AA

triadic

#647CAA #AA647C #7CAA64

tetradic

#647CAA #AA649F #AA9264 #64AA6F

square

#647CAA #AA649F #AA9264 #64AA6F

split-complementary

#647CAA #AA6F64 #9FAA64

monochromatic

#34435F #4A5F87 #647CAA #8C9DC0 #B3BFD5

Accessibility & contrast

On white

4.20

#647CAA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#647CAA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CAA

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CAA	#FFFFFF	#000000	##000000
##647CAA	1.00	4.20	5.01	5.01
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7FAC

Deuteranopia (green-blind)

#6479A9

Tritanopia (blue-blind)

#4C868C

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #647caa;
/* rgb */ color: rgb(100, 124, 170);
/* oklch */ color: oklch(58.6% 0.076 263.0);

Tailwind

colors: {
  custom: {
    50: '#93a1c3',
    500: '#647caa',
    950: '#000000',
  },
}

SCSS

$custom: #647caa;
$custom-light: #93a1c3;
$custom-dark: #000000;

JSON

{
  "hex": "#647caa",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 170
  },
  "hsl": {
    "h": 219.429,
    "s": 29.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.58607,
    "c": 0.07644,
    "h": 263
  },
  "luminance": 0.20027
}

Semantic roles & 50–950 ramp

primary

#647CAA

secondary

#C4BAA6

accent

#A362C5

background

#F9F9FC

surface

#F1F2F8

border

#CBCCD1

text

#0D0F12

muted

#7E7E81

Preview Lab

Preview with #647CAA

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

Preview Lab → · Contrast checker → · Palette generator →