#648FD2#648FD2

#648FD2 is a light, moderate blue. Relative luminance 0.270; OKLCH L 64.7% C 0.112 H 259.0°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#648FD2
RGB	rgb(100, 143, 210)
HSL	hsl(217, 55%, 61%)
HSV	hsv(217, 52%, 82%)
CMYK	cmyk(52.4%, 31.9%, 0%, 17.6%)
CIE-LAB	lab(58.98, 4.30, -38.92)
CIE-LCH	lch(58.98, 39.16, 276.31°)
OKLab	oklab(64.74% -0.0213 -0.1096)
OKLCH	oklch(64.74% 0.112 259)
XYZ	xyz(26.7069, 27.0054, 64.7655)
Luminance	0.2701 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FD2 #D2A764

analogous

#64C6D2 #648FD2 #7064D2

triadic

#648FD2 #D2648F #8FD264

tetradic

#648FD2 #D264C6 #D2A764 #64D270

square

#648FD2 #D264C6 #D2A764 #64D270

split-complementary

#648FD2 #D27064 #C6D264

monochromatic

#2A5391 #386DC1 #648FD2 #93B1E0 #C3D4EE

Accessibility & contrast

On white

3.28

#648FD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#648FD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FD2

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FD2	#FFFFFF	#000000	##000000
##648FD2	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7594D5

Deuteranopia (green-blind)

#6789D1

Tritanopia (blue-blind)

#2B9EA7

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #648fd2;
/* rgb */ color: rgb(100, 143, 210);
/* oklch */ color: oklch(64.7% 0.112 259.0);

Tailwind

colors: {
  custom: {
    50: '#97afe0',
    500: '#648fd2',
    950: '#000000',
  },
}

SCSS

$custom: #648fd2;
$custom-light: #97afe0;
$custom-dark: #000000;

JSON

{
  "hex": "#648fd2",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 210
  },
  "hsl": {
    "h": 216.545,
    "s": 55,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64744,
    "c": 0.11162,
    "h": 259
  },
  "luminance": 0.27007
}

Semantic roles & 50–950 ramp

primary

#648FD2

secondary

#DECDB4

accent

#8423C3

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648FD2

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

Preview Lab → · Contrast checker → · Palette generator →