#648BD5#648BD5

#648BD5 is a light, moderate blue. Relative luminance 0.260; OKLCH L 64.0% C 0.120 H 262.4°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#648BD5
RGB	rgb(100, 139, 213)
HSL	hsl(219, 57%, 61%)
HSV	hsv(219, 53%, 84%)
CMYK	cmyk(53.1%, 34.7%, 0%, 16.5%)
CIE-LAB	lab(58.01, 7.59, -42.12)
CIE-LCH	lch(58.01, 42.80, 280.21°)
OKLab	oklab(64.04% -0.0159 -0.1189)
OKLCH	oklch(64.04% 0.12 262.4)
XYZ	xyz(26.4943, 25.9767, 66.5557)
Luminance	0.2598 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BD5 #D5AE64

analogous

#64C4D5 #648BD5 #7664D5

triadic

#648BD5 #D5648B #8BD564

tetradic

#648BD5 #D564C4 #D5AE64 #64D576

square

#648BD5 #D564C4 #D5AE64 #64D576

split-complementary

#648BD5 #D57664 #C4D564

monochromatic

#294E96 #3668C6 #648BD5 #94AFE2 #C4D3EF

Accessibility & contrast

On white

3.39

#648BD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#648BD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BD5

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BD5	#FFFFFF	#000000	##000000
##648BD5	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E91D8

Deuteranopia (green-blind)

#6087D3

Tritanopia (blue-blind)

#289BA6

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #648bd5;
/* rgb */ color: rgb(100, 139, 213);
/* oklch */ color: oklch(64.0% 0.120 262.4);

Tailwind

colors: {
  custom: {
    50: '#97ace2',
    500: '#648bd5',
    950: '#000000',
  },
}

SCSS

$custom: #648bd5;
$custom-light: #97ace2;
$custom-dark: #000000;

JSON

{
  "hex": "#648bd5",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 213
  },
  "hsl": {
    "h": 219.292,
    "s": 57.36,
    "l": 61.373
  },
  "oklch": {
    "l": 0.6404,
    "c": 0.11995,
    "h": 262.4
  },
  "luminance": 0.25979
}

Semantic roles & 50–950 ramp

primary

#648BD5

secondary

#E0D1B5

accent

#8C21C5

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648BD5

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

Preview Lab → · Contrast checker → · Palette generator →