#647FD4#647FD4

#647FD4 is a mid, vivid blue. Relative luminance 0.226; OKLCH L 61.5% C 0.133 H 269.0°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#647FD4
RGB	rgb(100, 127, 212)
HSL	hsl(226, 57%, 61%)
HSV	hsv(226, 53%, 83%)
CMYK	cmyk(52.8%, 40.1%, 0%, 16.9%)
CIE-LAB	lab(54.70, 14.44, -46.80)
CIE-LCH	lch(54.70, 48.98, 287.15°)
OKLab	oklab(61.46% -0.0024 -0.1326)
OKLCH	oklch(61.46% 0.133 269)
XYZ	xyz(24.7247, 22.6398, 65.3416)
Luminance	0.2264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FD4 #D4B964

analogous

#64B7D4 #647FD4 #8164D4

triadic

#647FD4 #D4647F #7FD464

tetradic

#647FD4 #D464B7 #D4B964 #64D481

square

#647FD4 #D464B7 #D4B964 #64D481

split-complementary

#647FD4 #D48164 #B7D464

monochromatic

#294394 #3659C4 #647FD4 #94A7E1 #C4CEEF

Accessibility & contrast

On white

3.80

#647FD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#647FD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FD4

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FD4	#FFFFFF	#000000	##000000
##647FD4	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C88D7

Deuteranopia (green-blind)

#507ED2

Tritanopia (blue-blind)

#2D919F

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #647fd4;
/* rgb */ color: rgb(100, 127, 212);
/* oklch */ color: oklch(61.5% 0.133 269.0);

Tailwind

colors: {
  custom: {
    50: '#97a3e1',
    500: '#647fd4',
    950: '#000000',
  },
}

SCSS

$custom: #647fd4;
$custom-light: #97a3e1;
$custom-dark: #000000;

JSON

{
  "hex": "#647fd4",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 212
  },
  "hsl": {
    "h": 225.536,
    "s": 56.566,
    "l": 61.176
  },
  "oklch": {
    "l": 0.6146,
    "c": 0.13266,
    "h": 269
  },
  "luminance": 0.22642
}

Semantic roles & 50–950 ramp

primary

#647FD4

secondary

#DFD5B5

accent

#9D21C4

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #647FD4

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

Preview Lab → · Contrast checker → · Palette generator →