#647FC2#647FC2

#647FC2 is a mid, moderate blue. Relative luminance 0.218; OKLCH L 60.5% C 0.107 H 266.6°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#647FC2
RGB	rgb(100, 127, 194)
HSL	hsl(223, 44%, 58%)
HSV	hsv(223, 48%, 76%)
CMYK	cmyk(48.5%, 34.5%, 0%, 23.9%)
CIE-LAB	lab(53.79, 8.83, -38.02)
CIE-LCH	lch(53.79, 39.03, 283.07°)
OKLab	oklab(60.47% -0.0064 -0.107)
OKLCH	oklch(60.47% 0.107 266.6)
XYZ	xyz(22.5793, 21.7817, 54.0430)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FC2 #C2A764

analogous

#64AEC2 #647FC2 #7864C2

triadic

#647FC2 #C2647F #7FC264

tetradic

#647FC2 #C264AE #C2A764 #64C278

square

#647FC2 #C264AE #C2A764 #64C278

split-complementary

#647FC2 #C27864 #AEC264

monochromatic

#30467B #425FA7 #647FC2 #90A3D3 #BCC8E5

Accessibility & contrast

On white

3.92

#647FC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#647FC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FC2

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FC2	#FFFFFF	#000000	##000000
##647FC2	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6685C5

Deuteranopia (green-blind)

#5C7DC1

Tritanopia (blue-blind)

#3D8D97

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647fc2;
/* rgb */ color: rgb(100, 127, 194);
/* oklch */ color: oklch(60.5% 0.107 266.6);

Tailwind

colors: {
  custom: {
    50: '#95a3d5',
    500: '#647fc2',
    950: '#000000',
  },
}

SCSS

$custom: #647fc2;
$custom-light: #95a3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#647fc2",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 194
  },
  "hsl": {
    "h": 222.766,
    "s": 43.519,
    "l": 57.647
  },
  "oklch": {
    "l": 0.60465,
    "c": 0.10721,
    "h": 266.6
  },
  "luminance": 0.21783
}

Semantic roles & 50–950 ramp

primary

#647FC2

secondary

#D4C9AE

accent

#AF55D3

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #647FC2

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

Preview Lab → · Contrast checker → · Palette generator →