#648FCF#648FCF

#648FCF is a light, moderate blue. Relative luminance 0.269; OKLCH L 64.6% C 0.108 H 258.1°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#648FCF
RGB	rgb(100, 143, 207)
HSL	hsl(216, 53%, 60%)
HSV	hsv(216, 52%, 81%)
CMYK	cmyk(51.7%, 30.9%, 0%, 18.8%)
CIE-LAB	lab(58.84, 3.37, -37.46)
CIE-LCH	lch(58.84, 37.61, 275.15°)
OKLab	oklab(64.59% -0.0221 -0.1053)
OKLCH	oklch(64.59% 0.108 258.1)
XYZ	xyz(26.3366, 26.8573, 62.8155)
Luminance	0.2686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FCF #CFA464

analogous

#64C4CF #648FCF #6F64CF

triadic

#648FCF #CF648F #8FCF64

tetradic

#648FCF #CF64C4 #CFA464 #64CF6F

square

#648FCF #CF64C4 #CFA464 #64CF6F

split-complementary

#648FCF #CF6F64 #C4CF64

monochromatic

#2C538D #3A6EBC #648FCF #93B1DD #C1D3EC

Accessibility & contrast

On white

3.30

#648FCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#648FCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FCF

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FCF	#FFFFFF	#000000	##000000
##648FCF	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7693D2

Deuteranopia (green-blind)

#6989CE

Tritanopia (blue-blind)

#2E9DA6

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #648fcf;
/* rgb */ color: rgb(100, 143, 207);
/* oklch */ color: oklch(64.6% 0.108 258.1);

Tailwind

colors: {
  custom: {
    50: '#96afde',
    500: '#648fcf',
    950: '#000000',
  },
}

SCSS

$custom: #648fcf;
$custom-light: #96afde;
$custom-dark: #000000;

JSON

{
  "hex": "#648fcf",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 207
  },
  "hsl": {
    "h": 215.888,
    "s": 52.709,
    "l": 60.196
  },
  "oklch": {
    "l": 0.64592,
    "c": 0.10761,
    "h": 258.1
  },
  "luminance": 0.26859
}

Semantic roles & 50–950 ramp

primary

#648FCF

secondary

#DCCBB3

accent

#8225C0

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648FCF

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

Preview Lab → · Contrast checker → · Palette generator →