#648FD0#648FD0

#648FD0 is a light, moderate blue. Relative luminance 0.269; OKLCH L 64.6% C 0.109 H 258.4°. Best body text is #000000 at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#648FD0
RGB	rgb(100, 143, 208)
HSL	hsl(216, 53%, 60%)
HSV	hsv(216, 52%, 82%)
CMYK	cmyk(51.9%, 31.3%, 0%, 18.4%)
CIE-LAB	lab(58.89, 3.68, -37.95)
CIE-LCH	lch(58.89, 38.12, 275.54°)
OKLab	oklab(64.64% -0.0219 -0.1067)
OKLCH	oklch(64.64% 0.109 258.4)
XYZ	xyz(26.4593, 26.9064, 63.4614)
Luminance	0.2691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FD0 #D0A564

analogous

#64C5D0 #648FD0 #6F64D0

triadic

#648FD0 #D0648F #8FD064

tetradic

#648FD0 #D064C5 #D0A564 #64D06F

square

#648FD0 #D064C5 #D0A564 #64D06F

split-complementary

#648FD0 #D06F64 #C5D064

monochromatic

#2B538E #396EBD #648FD0 #93B1DE #C2D3EC

Accessibility & contrast

On white

3.29

#648FD0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.38

#648FD0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FD0

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FD0	#FFFFFF	#000000	##000000
##648FD0	1.00	3.29	6.38	6.38
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.38	21.00	1.00	1.00
##000000	6.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7593D3

Deuteranopia (green-blind)

#6889CF

Tritanopia (blue-blind)

#2D9DA6

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #648fd0;
/* rgb */ color: rgb(100, 143, 208);
/* oklch */ color: oklch(64.6% 0.109 258.4);

Tailwind

colors: {
  custom: {
    50: '#96afde',
    500: '#648fd0',
    950: '#000000',
  },
}

SCSS

$custom: #648fd0;
$custom-light: #96afde;
$custom-dark: #000000;

JSON

{
  "hex": "#648fd0",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 208
  },
  "hsl": {
    "h": 216.111,
    "s": 53.465,
    "l": 60.392
  },
  "oklch": {
    "l": 0.64643,
    "c": 0.10895,
    "h": 258.4
  },
  "luminance": 0.26908
}

Semantic roles & 50–950 ramp

primary

#648FD0

secondary

#DDCCB3

accent

#8325C1

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648FD0

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

Preview Lab → · Contrast checker → · Palette generator →