#647EC5#647EC5

#647EC5 is a mid, moderate blue. Relative luminance 0.217; OKLCH L 60.4% C 0.113 H 267.7°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#647EC5
RGB	rgb(100, 126, 197)
HSL	hsl(224, 46%, 58%)
HSV	hsv(224, 49%, 77%)
CMYK	cmyk(49.2%, 36%, 0%, 22.7%)
CIE-LAB	lab(53.67, 10.35, -39.93)
CIE-LCH	lch(53.67, 41.25, 284.53°)
OKLab	oklab(60.41% -0.0045 -0.1126)
OKLCH	oklch(60.41% 0.113 267.7)
XYZ	xyz(22.7912, 21.6608, 55.7925)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EC5 #C5AB64

analogous

#64AEC5 #647EC5 #7A64C5

triadic

#647EC5 #C5647E #7EC564

tetradic

#647EC5 #C564AE #C5AB64 #64C57A

square

#647EC5 #C564AE #C5AB64 #64C57A

split-complementary

#647EC5 #C57A64 #AEC564

monochromatic

#30457F #405DAC #647EC5 #91A3D6 #BDC8E6

Accessibility & contrast

On white

3.94

#647EC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#647EC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EC5

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EC5	#FFFFFF	#000000	##000000
##647EC5	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6385C8

Deuteranopia (green-blind)

#597CC3

Tritanopia (blue-blind)

#3B8D98

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647ec5;
/* rgb */ color: rgb(100, 126, 197);
/* oklch */ color: oklch(60.4% 0.113 267.7);

Tailwind

colors: {
  custom: {
    50: '#95a3d7',
    500: '#647ec5',
    950: '#000000',
  },
}

SCSS

$custom: #647ec5;
$custom-light: #95a3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#647ec5",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 197
  },
  "hsl": {
    "h": 223.918,
    "s": 45.54,
    "l": 58.235
  },
  "oklch": {
    "l": 0.60413,
    "c": 0.11268,
    "h": 267.7
  },
  "luminance": 0.21662
}

Semantic roles & 50–950 ramp

primary

#647EC5

secondary

#D6CBAF

accent

#B253D5

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #647EC5

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

Preview Lab → · Contrast checker → · Palette generator →