#648DCA#648DCA

#648DCA is a light, moderate blue. Relative luminance 0.260; OKLCH L 63.9% C 0.103 H 258.1°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#648DCA
RGB	rgb(100, 141, 202)
HSL	hsl(216, 49%, 59%)
HSV	hsv(216, 50%, 79%)
CMYK	cmyk(50.5%, 30.2%, 0%, 20.8%)
CIE-LAB	lab(58.06, 3.00, -35.87)
CIE-LCH	lch(58.06, 36.00, 274.79°)
OKLab	oklab(63.91% -0.0212 -0.1007)
OKLCH	oklch(63.91% 0.103 258.1)
XYZ	xyz(25.4375, 26.0215, 59.5479)
Luminance	0.2602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DCA #CAA164

analogous

#64C0CA #648DCA #6E64CA

triadic

#648DCA #CA648D #8DCA64

tetradic

#648DCA #CA64C0 #CAA164 #64CA6E

square

#648DCA #CA64C0 #CAA164 #64CA6E

split-complementary

#648DCA #CA6E64 #C0CA64

monochromatic

#2E5186 #3D6DB3 #648DCA #92AFDA #BFD0E9

Accessibility & contrast

On white

3.38

#648DCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#648DCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DCA

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DCA	#FFFFFF	#000000	##000000
##648DCA	1.00	3.38	6.20	6.20
#FFFFFF	3.38	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)

#7591CD

Deuteranopia (green-blind)

#6987C9

Tritanopia (blue-blind)

#349AA3

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648dca;
/* rgb */ color: rgb(100, 141, 202);
/* oklch */ color: oklch(63.9% 0.103 258.1);

Tailwind

colors: {
  custom: {
    50: '#96aeda',
    500: '#648dca',
    950: '#000000',
  },
}

SCSS

$custom: #648dca;
$custom-light: #96aeda;
$custom-dark: #000000;

JSON

{
  "hex": "#648dca",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 202
  },
  "hsl": {
    "h": 215.882,
    "s": 49.038,
    "l": 59.216
  },
  "oklch": {
    "l": 0.63905,
    "c": 0.10292,
    "h": 258.1
  },
  "luminance": 0.26023
}

Semantic roles & 50–950 ramp

primary

#648DCA

secondary

#D9C9B1

accent

#A14FD9

background

#F9FAFD

surface

#F2F4FA

border

#CCCED3

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648DCA

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

Preview Lab → · Contrast checker → · Palette generator →