#648FCE#648FCE

#648FCE is a light, moderate blue. Relative luminance 0.268; OKLCH L 64.5% C 0.106 H 257.8°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#648FCE
RGB	rgb(100, 143, 206)
HSL	hsl(216, 52%, 60%)
HSV	hsv(216, 51%, 81%)
CMYK	cmyk(51.5%, 30.6%, 0%, 19.2%)
CIE-LAB	lab(58.80, 3.07, -36.97)
CIE-LCH	lch(58.80, 37.09, 274.74°)
OKLab	oklab(64.54% -0.0224 -0.1039)
OKLCH	oklch(64.54% 0.106 257.8)
XYZ	xyz(26.2148, 26.8086, 62.1737)
Luminance	0.2681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FCE #CEA364

analogous

#64C4CE #648FCE #6E64CE

triadic

#648FCE #CE648F #8FCE64

tetradic

#648FCE #CE64C4 #CEA364 #64CE6E

square

#648FCE #CE64C4 #CEA364 #64CE6E

split-complementary

#648FCE #CE6E64 #C4CE64

monochromatic

#2C538C #3B6EBA #648FCE #92B1DD #C1D2EB

Accessibility & contrast

On white

3.30

#648FCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#648FCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FCE

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FCE	#FFFFFF	#000000	##000000
##648FCE	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7693D1

Deuteranopia (green-blind)

#6989CD

Tritanopia (blue-blind)

#2F9DA5

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648fce;
/* rgb */ color: rgb(100, 143, 206);
/* oklch */ color: oklch(64.5% 0.106 257.8);

Tailwind

colors: {
  custom: {
    50: '#96afdd',
    500: '#648fce',
    950: '#000000',
  },
}

SCSS

$custom: #648fce;
$custom-light: #96afdd;
$custom-dark: #000000;

JSON

{
  "hex": "#648fce",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 206
  },
  "hsl": {
    "h": 215.66,
    "s": 51.961,
    "l": 60
  },
  "oklch": {
    "l": 0.64542,
    "c": 0.10628,
    "h": 257.8
  },
  "luminance": 0.2681
}

Semantic roles & 50–950 ramp

primary

#648FCE

secondary

#DBCBB2

accent

#A14CDB

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648FCE

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

Preview Lab → · Contrast checker → · Palette generator →