#647CD0#647CD0

#647CD0 is a mid, vivid blue. Relative luminance 0.217; OKLCH L 60.6% C 0.131 H 270.1°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#647CD0
RGB	rgb(100, 124, 208)
HSL	hsl(227, 53%, 60%)
HSV	hsv(227, 52%, 82%)
CMYK	cmyk(51.9%, 40.4%, 0%, 18.4%)
CIE-LAB	lab(53.68, 14.99, -46.15)
CIE-LCH	lch(53.68, 48.53, 287.99°)
OKLab	oklab(60.61% 0.0003 -0.1308)
OKLCH	oklch(60.61% 0.131 270.1)
XYZ	xyz(23.8446, 21.6771, 62.5899)
Luminance	0.2168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647CD0 #D0B864

analogous

#64B2D0 #647CD0 #8264D0

triadic

#647CD0 #D0647C #7CD064

tetradic

#647CD0 #D064B2 #D0B864 #64D082

square

#647CD0 #D064B2 #D0B864 #64D082

split-complementary

#647CD0 #D08264 #B2D064

monochromatic

#2B418E #3957BD #647CD0 #93A4DE #C2CBEC

Accessibility & contrast

On white

3.94

#647CD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#647CD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647CD0

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647CD0	#FFFFFF	#000000	##000000
##647CD0	1.00	3.94	5.34	5.34
#FFFFFF	3.94	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)

#5A85D3

Deuteranopia (green-blind)

#4E7CCE

Tritanopia (blue-blind)

#328E9C

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #647cd0;
/* rgb */ color: rgb(100, 124, 208);
/* oklch */ color: oklch(60.6% 0.131 270.1);

Tailwind

colors: {
  custom: {
    50: '#97a1df',
    500: '#647cd0',
    950: '#000000',
  },
}

SCSS

$custom: #647cd0;
$custom-light: #97a1df;
$custom-dark: #000000;

JSON

{
  "hex": "#647cd0",
  "rgb": {
    "r": 100,
    "g": 124,
    "b": 208
  },
  "hsl": {
    "h": 226.667,
    "s": 53.465,
    "l": 60.392
  },
  "oklch": {
    "l": 0.60609,
    "c": 0.13077,
    "h": 270.1
  },
  "luminance": 0.21679
}

Semantic roles & 50–950 ramp

primary

#647CD0

secondary

#DDD3B3

accent

#9E25C1

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0E15

muted

#7E7E83

Preview Lab

Preview with #647CD0

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

Preview Lab → · Contrast checker → · Palette generator →