#648CC8#648CC8

#648CC8 is a light, moderate blue. Relative luminance 0.256; OKLCH L 63.6% C 0.101 H 258.3°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#648CC8
RGB	rgb(100, 140, 200)
HSL	hsl(216, 48%, 59%)
HSV	hsv(216, 50%, 78%)
CMYK	cmyk(50%, 30%, 0%, 21.6%)
CIE-LAB	lab(57.69, 2.98, -35.32)
CIE-LCH	lch(57.69, 35.44, 274.82°)
OKLab	oklab(63.59% -0.0206 -0.0991)
OKLCH	oklch(63.59% 0.101 258.3)
XYZ	xyz(25.0554, 25.6339, 58.2599)
Luminance	0.2564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CC8 #C8A064

analogous

#64BEC8 #648CC8 #6E64C8

triadic

#648CC8 #C8648C #8CC864

tetradic

#648CC8 #C864BE #C8A064 #64C86E

square

#648CC8 #C864BE #C8A064 #64C86E

split-complementary

#648CC8 #C86E64 #BEC864

monochromatic

#2F5083 #3F6CB0 #648CC8 #91AED8 #BECFE8

Accessibility & contrast

On white

3.43

#648CC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#648CC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CC8

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CC8	#FFFFFF	#000000	##000000
##648CC8	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7590CB

Deuteranopia (green-blind)

#6986C7

Tritanopia (blue-blind)

#3699A1

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #648cc8;
/* rgb */ color: rgb(100, 140, 200);
/* oklch */ color: oklch(63.6% 0.101 258.3);

Tailwind

colors: {
  custom: {
    50: '#96add9',
    500: '#648cc8',
    950: '#000000',
  },
}

SCSS

$custom: #648cc8;
$custom-light: #96add9;
$custom-dark: #000000;

JSON

{
  "hex": "#648cc8",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 200
  },
  "hsl": {
    "h": 216,
    "s": 47.619,
    "l": 58.824
  },
  "oklch": {
    "l": 0.63587,
    "c": 0.10125,
    "h": 258.3
  },
  "luminance": 0.25636
}

Semantic roles & 50–950 ramp

primary

#648CC8

secondary

#D8C8B0

accent

#A151D7

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1014

muted

#7E7F83

Preview Lab

Preview with #648CC8

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

Preview Lab → · Contrast checker → · Palette generator →