#647DC4#647DC4

#647DC4 is a mid, moderate blue. Relative luminance 0.214; OKLCH L 60.1% C 0.112 H 268.2°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#647DC4
RGB	rgb(100, 125, 196)
HSL	hsl(224, 45%, 58%)
HSV	hsv(224, 49%, 77%)
CMYK	cmyk(49%, 36.2%, 0%, 23.1%)
CIE-LAB	lab(53.34, 10.64, -39.87)
CIE-LCH	lch(53.34, 41.27, 284.95°)
OKLab	oklab(60.15% -0.0035 -0.1124)
OKLCH	oklch(60.15% 0.112 268.2)
XYZ	xyz(22.5497, 21.3606, 55.1486)
Luminance	0.2136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DC4 #C4AB64

analogous

#64ADC4 #647DC4 #7B64C4

triadic

#647DC4 #C4647D #7DC464

tetradic

#647DC4 #C464AD #C4AB64 #64C47B

square

#647DC4 #C464AD #C4AB64 #64C47B

split-complementary

#647DC4 #C47B64 #ADC464

monochromatic

#30447E #415CAA #647DC4 #90A2D5 #BDC7E6

Accessibility & contrast

On white

3.98

#647DC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#647DC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DC4

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DC4	#FFFFFF	#000000	##000000
##647DC4	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6284C7

Deuteranopia (green-blind)

#587BC2

Tritanopia (blue-blind)

#3C8C97

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #647dc4;
/* rgb */ color: rgb(100, 125, 196);
/* oklch */ color: oklch(60.1% 0.112 268.2);

Tailwind

colors: {
  custom: {
    50: '#95a2d6',
    500: '#647dc4',
    950: '#000000',
  },
}

SCSS

$custom: #647dc4;
$custom-light: #95a2d6;
$custom-dark: #000000;

JSON

{
  "hex": "#647dc4",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 196
  },
  "hsl": {
    "h": 224.375,
    "s": 44.86,
    "l": 58.039
  },
  "oklch": {
    "l": 0.60147,
    "c": 0.11247,
    "h": 268.2
  },
  "luminance": 0.21362
}

Semantic roles & 50–950 ramp

primary

#647DC4

secondary

#D5CBAF

accent

#B353D5

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0F14

muted

#7E7E83

Preview Lab

Preview with #647DC4

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

Preview Lab → · Contrast checker → · Palette generator →