#647FC8#647FC8

#647FC8 is a mid, moderate blue. Relative luminance 0.221; OKLCH L 60.8% C 0.116 H 267.5°. Best body text is #000000 at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#647FC8
RGB	rgb(100, 127, 200)
HSL	hsl(224, 48%, 59%)
HSV	hsv(224, 50%, 78%)
CMYK	cmyk(50%, 36.5%, 0%, 21.6%)
CIE-LAB	lab(54.09, 10.68, -40.97)
CIE-LCH	lch(54.09, 42.34, 284.61°)
OKLab	oklab(60.79% -0.005 -0.1156)
OKLCH	oklch(60.79% 0.116 267.5)
XYZ	xyz(23.2668, 22.0567, 57.6637)
Luminance	0.2206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FC8 #C8AD64

analogous

#64B1C8 #647FC8 #7B64C8

triadic

#647FC8 #C8647F #7FC864

tetradic

#647FC8 #C864B1 #C8AD64 #64C87B

square

#647FC8 #C864B1 #C8AD64 #64C87B

split-complementary

#647FC8 #C87B64 #B1C864

monochromatic

#2F4583 #3F5DB0 #647FC8 #91A4D8 #BECAE8

Accessibility & contrast

On white

3.88

#647FC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.41

#647FC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FC8

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FC8	#FFFFFF	#000000	##000000
##647FC8	1.00	3.88	5.41	5.41
#FFFFFF	3.88	1.00	21.00	21.00
#000000	5.41	21.00	1.00	1.00
##000000	5.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6386CB

Deuteranopia (green-blind)

#587DC6

Tritanopia (blue-blind)

#398F9A

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #647fc8;
/* rgb */ color: rgb(100, 127, 200);
/* oklch */ color: oklch(60.8% 0.116 267.5);

Tailwind

colors: {
  custom: {
    50: '#96a3d9',
    500: '#647fc8',
    950: '#000000',
  },
}

SCSS

$custom: #647fc8;
$custom-light: #96a3d9;
$custom-dark: #000000;

JSON

{
  "hex": "#647fc8",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 200
  },
  "hsl": {
    "h": 223.8,
    "s": 47.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.60788,
    "c": 0.11573,
    "h": 267.5
  },
  "luminance": 0.22058
}

Semantic roles & 50–950 ramp

primary

#647FC8

secondary

#D8CDB0

accent

#B351D7

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #647FC8

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

Preview Lab → · Contrast checker → · Palette generator →