#647DCA#647DCA

#647DCA is a mid, vivid blue. Relative luminance 0.216; OKLCH L 60.5% C 0.121 H 269.0°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#647DCA
RGB	rgb(100, 125, 202)
HSL	hsl(225, 49%, 59%)
HSV	hsv(225, 50%, 79%)
CMYK	cmyk(50.5%, 38.1%, 0%, 20.8%)
CIE-LAB	lab(53.64, 12.50, -42.81)
CIE-LCH	lch(53.64, 44.60, 286.28°)
OKLab	oklab(60.48% -0.0021 -0.121)
OKLCH	oklch(60.48% 0.121 269)
XYZ	xyz(23.2464, 21.6393, 58.8175)
Luminance	0.2164 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647DCA #CAB164

analogous

#64B0CA #647DCA #7E64CA

triadic

#647DCA #CA647D #7DCA64

tetradic

#647DCA #CA64B0 #CAB164 #64CA7E

square

#647DCA #CA64B0 #CAB164 #64CA7E

split-complementary

#647DCA #CA7E64 #B0CA64

monochromatic

#2E4386 #3D5AB3 #647DCA #92A3DA #BFCAE9

Accessibility & contrast

On white

3.94

#647DCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#647DCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647DCA

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647DCA	#FFFFFF	#000000	##000000
##647DCA	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F85CD

Deuteranopia (green-blind)

#547CC8

Tritanopia (blue-blind)

#378D9A

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647dca;
/* rgb */ color: rgb(100, 125, 202);
/* oklch */ color: oklch(60.5% 0.121 269.0);

Tailwind

colors: {
  custom: {
    50: '#96a2da',
    500: '#647dca',
    950: '#000000',
  },
}

SCSS

$custom: #647dca;
$custom-light: #96a2da;
$custom-dark: #000000;

JSON

{
  "hex": "#647dca",
  "rgb": {
    "r": 100,
    "g": 125,
    "b": 202
  },
  "hsl": {
    "h": 225.294,
    "s": 49.038,
    "l": 59.216
  },
  "oklch": {
    "l": 0.60477,
    "c": 0.12102,
    "h": 269
  },
  "luminance": 0.21641
}

Semantic roles & 50–950 ramp

primary

#647DCA

secondary

#D9CFB1

accent

#B74FD9

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0F15

muted

#7E7E83

Preview Lab

Preview with #647DCA

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

Preview Lab → · Contrast checker → · Palette generator →