#647FD2#647FD2

#647FD2 is a mid, vivid blue. Relative luminance 0.225; OKLCH L 61.3% C 0.130 H 268.8°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#647FD2
RGB	rgb(100, 127, 210)
HSL	hsl(225, 55%, 61%)
HSV	hsv(225, 52%, 82%)
CMYK	cmyk(52.4%, 39.5%, 0%, 17.6%)
CIE-LAB	lab(54.59, 13.81, -45.84)
CIE-LCH	lch(54.59, 47.87, 286.76°)
OKLab	oklab(61.35% -0.0028 -0.1298)
OKLCH	oklch(61.35% 0.13 268.8)
XYZ	xyz(24.4739, 22.5395, 64.0212)
Luminance	0.2254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#647FD2 #D2B764

analogous

#64B6D2 #647FD2 #8064D2

triadic

#647FD2 #D2647F #7FD264

tetradic

#647FD2 #D264B6 #D2B764 #64D280

square

#647FD2 #D264B6 #D2B764 #64D280

split-complementary

#647FD2 #D28064 #B6D264

monochromatic

#2A4491 #385AC1 #647FD2 #93A6E0 #C3CDEE

Accessibility & contrast

On white

3.81

#647FD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#647FD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #647FD2

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##647FD2	#FFFFFF	#000000	##000000
##647FD2	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E88D5

Deuteranopia (green-blind)

#517ED0

Tritanopia (blue-blind)

#2F919E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #647fd2;
/* rgb */ color: rgb(100, 127, 210);
/* oklch */ color: oklch(61.3% 0.130 268.8);

Tailwind

colors: {
  custom: {
    50: '#97a3e0',
    500: '#647fd2',
    950: '#000000',
  },
}

SCSS

$custom: #647fd2;
$custom-light: #97a3e0;
$custom-dark: #000000;

JSON

{
  "hex": "#647fd2",
  "rgb": {
    "r": 100,
    "g": 127,
    "b": 210
  },
  "hsl": {
    "h": 225.273,
    "s": 55,
    "l": 60.784
  },
  "oklch": {
    "l": 0.61345,
    "c": 0.12985,
    "h": 268.8
  },
  "luminance": 0.22541
}

Semantic roles & 50–950 ramp

primary

#647FD2

secondary

#DED4B4

accent

#9B23C3

background

#F9FAFD

surface

#F2F3FB

border

#CCCDD4

text

#0E0F15

muted

#7E7F83

Preview Lab

Preview with #647FD2

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

Preview Lab → · Contrast checker → · Palette generator →