#647EC6#647EC6

#647EC6 is a mid, moderate blue. Relative luminance 0.217; OKLCH L 60.5% C 0.114 H 267.9°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#647EC6
RGB	rgb(100, 126, 198)
HSL	hsl(224, 46%, 58%)
HSV	hsv(224, 49%, 78%)
CMYK	cmyk(49.5%, 36.4%, 0%, 22.4%)
CIE-LAB	lab(53.71, 10.66, -40.42)
CIE-LCH	lch(53.71, 41.80, 284.77°)
OKLab	oklab(60.47% -0.0042 -0.114)
OKLCH	oklch(60.47% 0.114 267.9)
XYZ	xyz(22.9061, 21.7068, 56.3979)
Luminance	0.2171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647EC6 #C6AC64

analogous

#64AFC6 #647EC6 #7B64C6

triadic

#647EC6 #C6647E #7EC664

tetradic

#647EC6 #C664AF #C6AC64 #64C67B

square

#647EC6 #C664AF #C6AC64 #64C67B

split-complementary

#647EC6 #C67B64 #AFC664

monochromatic

#2F4580 #405DAD #647EC6 #91A3D6 #BDC8E7

Accessibility & contrast

On white

3.93

#647EC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#647EC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647EC6

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647EC6	#FFFFFF	#000000	##000000
##647EC6	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6285C9

Deuteranopia (green-blind)

#587CC4

Tritanopia (blue-blind)

#3B8D99

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647ec6;
/* rgb */ color: rgb(100, 126, 198);
/* oklch */ color: oklch(60.5% 0.114 267.9);

Tailwind

colors: {
  custom: {
    50: '#95a3d7',
    500: '#647ec6',
    950: '#000000',
  },
}

SCSS

$custom: #647ec6;
$custom-light: #95a3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#647ec6",
  "rgb": {
    "r": 100,
    "g": 126,
    "b": 198
  },
  "hsl": {
    "h": 224.082,
    "s": 46.226,
    "l": 58.431
  },
  "oklch": {
    "l": 0.60467,
    "c": 0.1141,
    "h": 267.9
  },
  "luminance": 0.21708
}

Semantic roles & 50–950 ramp

primary

#647EC6

secondary

#D6CCAF

accent

#B352D6

background

#F9FAFD

surface

#F2F3FA

border

#CCCDD3

text

#0E0F14

muted

#7E7F83

Preview Lab

Preview with #647EC6

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

Preview Lab → · Contrast checker → · Palette generator →