#647EC0#647EC0

#647EC0 is a mid, moderate blue. Relative luminance 0.214; OKLCH L 60.1% C 0.106 H 266.9°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#647EC0
RGB	rgb(100, 126, 192)
HSL	hsl(223, 42%, 57%)
HSV	hsv(223, 48%, 75%)
CMYK	cmyk(47.9%, 34.4%, 0%, 24.7%)
CIE-LAB	lab(53.42, 8.81, -37.46)
CIE-LCH	lch(53.42, 38.48, 283.24°)
OKLab	oklab(60.15% -0.0057 -0.1054)
OKLCH	oklch(60.15% 0.106 266.9)
XYZ	xyz(22.2277, 21.4354, 52.8251)
Luminance	0.2144 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EC0 #C0A664

analogous

#64ACC0 #647EC0 #7864C0

triadic

#647EC0 #C0647E #7EC064

tetradic

#647EC0 #C064AC #C0A664 #64C078

square

#647EC0 #C064AC #C0A664 #64C078

split-complementary

#647EC0 #C07864 #ACC064

monochromatic

#314579 #435EA4 #647EC0 #90A2D2 #BBC6E3

Accessibility & contrast

On white

3.97

#647EC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#647EC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EC0

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EC0	#FFFFFF	#000000	##000000
##647EC0	1.00	3.97	5.29	5.29
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.29	21.00	1.00	1.00
##000000	5.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6584C3

Deuteranopia (green-blind)

#5C7CBF

Tritanopia (blue-blind)

#3F8C96

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647ec0;
/* rgb */ color: rgb(100, 126, 192);
/* oklch */ color: oklch(60.1% 0.106 266.9);

Tailwind

colors: {
  custom: {
    50: '#95a3d3',
    500: '#647ec0',
    950: '#000000',
  },
}

SCSS

$custom: #647ec0;
$custom-light: #95a3d3;
$custom-dark: #000000;

JSON

{
  "hex": "#647ec0",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 192
  },
  "hsl": {
    "h": 223.043,
    "s": 42.202,
    "l": 57.255
  },
  "oklch": {
    "l": 0.60146,
    "c": 0.10555,
    "h": 266.9
  },
  "luminance": 0.21437
}

Semantic roles & 50–950 ramp

primary

#647EC0

secondary

#D3C8AD

accent

#AF56D2

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #647EC0

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

Preview Lab → · Contrast checker → · Palette generator →