#648BD2#648BD2

#648BD2 is a light, moderate blue. Relative luminance 0.258; OKLCH L 63.9% C 0.116 H 261.7°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#648BD2
RGB	rgb(100, 139, 210)
HSL	hsl(219, 55%, 61%)
HSV	hsv(219, 52%, 82%)
CMYK	cmyk(52.4%, 33.8%, 0%, 17.6%)
CIE-LAB	lab(57.87, 6.65, -40.66)
CIE-LCH	lch(57.87, 41.20, 279.29°)
OKLab	oklab(63.88% -0.0167 -0.1146)
OKLCH	oklch(63.88% 0.116 261.7)
XYZ	xyz(26.1171, 25.8258, 64.5689)
Luminance	0.2583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BD2 #D2AB64

analogous

#64C2D2 #648BD2 #7464D2

triadic

#648BD2 #D2648B #8BD264

tetradic

#648BD2 #D264C2 #D2AB64 #64D274

square

#648BD2 #D264C2 #D2AB64 #64D274

split-complementary

#648BD2 #D27464 #C2D264

monochromatic

#2A4F91 #3868C1 #648BD2 #93AEE0 #C3D2EE

Accessibility & contrast

On white

3.41

#648BD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#648BD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BD2

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BD2	#FFFFFF	#000000	##000000
##648BD2	1.00	3.41	6.17	6.17
#FFFFFF	3.41	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F91D5

Deuteranopia (green-blind)

#6286D0

Tritanopia (blue-blind)

#2C9AA5

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #648bd2;
/* rgb */ color: rgb(100, 139, 210);
/* oklch */ color: oklch(63.9% 0.116 261.7);

Tailwind

colors: {
  custom: {
    50: '#97ace0',
    500: '#648bd2',
    950: '#000000',
  },
}

SCSS

$custom: #648bd2;
$custom-light: #97ace0;
$custom-dark: #000000;

JSON

{
  "hex": "#648bd2",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 210
  },
  "hsl": {
    "h": 218.727,
    "s": 55,
    "l": 60.784
  },
  "oklch": {
    "l": 0.63881,
    "c": 0.11586,
    "h": 261.7
  },
  "luminance": 0.25828
}

Semantic roles & 50–950 ramp

primary

#648BD2

secondary

#DECFB4

accent

#8A23C3

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648BD2

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

Preview Lab → · Contrast checker → · Palette generator →