#647DC6#647DC6

#647DC6 is a mid, moderate blue. Relative luminance 0.215; OKLCH L 60.3% C 0.115 H 268.5°. Best body text is #000000 at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#647DC6
RGB	rgb(100, 125, 198)
HSL	hsl(225, 46%, 58%)
HSV	hsv(225, 49%, 78%)
CMYK	cmyk(49.5%, 36.9%, 0%, 22.4%)
CIE-LAB	lab(53.44, 11.26, -40.85)
CIE-LCH	lch(53.44, 42.38, 285.41°)
OKLab	oklab(60.26% -0.003 -0.1153)
OKLCH	oklch(60.26% 0.115 268.5)
XYZ	xyz(22.7789, 21.4523, 56.3555)
Luminance	0.2145 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DC6 #C6AD64

analogous

#64AEC6 #647DC6 #7C64C6

triadic

#647DC6 #C6647D #7DC664

tetradic

#647DC6 #C664AE #C6AD64 #64C67C

square

#647DC6 #C664AE #C6AD64 #64C67C

split-complementary

#647DC6 #C67C64 #AEC664

monochromatic

#2F4480 #405CAD #647DC6 #91A3D6 #BDC8E7

Accessibility & contrast

On white

3.97

#647DC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.29

#647DC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DC6

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DC6	#FFFFFF	#000000	##000000
##647DC6	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)

#6184C9

Deuteranopia (green-blind)

#577CC4

Tritanopia (blue-blind)

#3B8C98

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647dc6;
/* rgb */ color: rgb(100, 125, 198);
/* oklch */ color: oklch(60.3% 0.115 268.5);

Tailwind

colors: {
  custom: {
    50: '#96a2d7',
    500: '#647dc6',
    950: '#000000',
  },
}

SCSS

$custom: #647dc6;
$custom-light: #96a2d7;
$custom-dark: #000000;

JSON

{
  "hex": "#647dc6",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 198
  },
  "hsl": {
    "h": 224.694,
    "s": 46.226,
    "l": 58.431
  },
  "oklch": {
    "l": 0.60256,
    "c": 0.11533,
    "h": 268.5
  },
  "luminance": 0.21454
}

Semantic roles & 50–950 ramp

primary

#647DC6

secondary

#D6CCAF

accent

#B452D6

background

#F9F9FD

surface

#F2F2FA

border

#CCCCD3

text

#0E0F14

muted

#7E7E83

Preview Lab

Preview with #647DC6

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

Preview Lab → · Contrast checker → · Palette generator →