#648DCF#648DCF

#648DCF is a light, moderate blue. Relative luminance 0.263; OKLCH L 64.2% C 0.110 H 259.6°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#648DCF
RGB	rgb(100, 141, 207)
HSL	hsl(217, 53%, 60%)
HSV	hsv(217, 52%, 81%)
CMYK	cmyk(51.7%, 31.9%, 0%, 18.8%)
CIE-LAB	lab(58.29, 4.54, -38.33)
CIE-LCH	lch(58.29, 38.60, 276.76°)
OKLab	oklab(64.16% -0.0198 -0.1078)
OKLCH	oklch(64.16% 0.11 259.6)
XYZ	xyz(26.0391, 26.2622, 62.7163)
Luminance	0.2626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DCF #CFA664

analogous

#64C3CF #648DCF #7064CF

triadic

#648DCF #CF648D #8DCF64

tetradic

#648DCF #CF64C3 #CFA664 #64CF70

square

#648DCF #CF64C3 #CFA664 #64CF70

split-complementary

#648DCF #CF7064 #C3CF64

monochromatic

#2C518D #3A6CBC #648DCF #93AFDD #C1D2EC

Accessibility & contrast

On white

3.36

#648DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#648DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DCF

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DCF	#FFFFFF	#000000	##000000
##648DCF	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7392D2

Deuteranopia (green-blind)

#6688CE

Tritanopia (blue-blind)

#2F9BA5

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648dcf;
/* rgb */ color: rgb(100, 141, 207);
/* oklch */ color: oklch(64.2% 0.110 259.6);

Tailwind

colors: {
  custom: {
    50: '#96aede',
    500: '#648dcf',
    950: '#000000',
  },
}

SCSS

$custom: #648dcf;
$custom-light: #96aede;
$custom-dark: #000000;

JSON

{
  "hex": "#648dcf",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 207
  },
  "hsl": {
    "h": 217.009,
    "s": 52.709,
    "l": 60.196
  },
  "oklch": {
    "l": 0.64157,
    "c": 0.10965,
    "h": 259.6
  },
  "luminance": 0.26264
}

Semantic roles & 50–950 ramp

primary

#648DCF

secondary

#DCCCB3

accent

#8525C0

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648DCF

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

Preview Lab → · Contrast checker → · Palette generator →