#648FE3#648FE3

#648FE3 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.6% C 0.135 H 262.7°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#648FE3
RGB	rgb(100, 143, 227)
HSL	hsl(220, 69%, 64%)
HSV	hsv(220, 56%, 89%)
CMYK	cmyk(55.9%, 37%, 0%, 11%)
CIE-LAB	lab(59.80, 9.66, -47.13)
CIE-LCH	lch(59.80, 48.11, 281.58°)
OKLab	oklab(65.65% -0.0171 -0.1335)
OKLCH	oklch(65.65% 0.135 262.7)
XYZ	xyz(28.9384, 27.8980, 76.5180)
Luminance	0.2790 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648FE3 #E3B864

analogous

#64CFE3 #648FE3 #7964E3

triadic

#648FE3 #E3648F #8FE364

tetradic

#648FE3 #E364CF #E3B864 #64E379

square

#648FE3 #E364CF #E3B864 #64E379

split-complementary

#648FE3 #E37964 #CFE364

monochromatic

#1F4FAD #306ADA #648FE3 #98B4EC #CCDAF6

Accessibility & contrast

On white

3.19

#648FE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#648FE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648FE3

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648FE3	#FFFFFF	#000000	##000000
##648FE3	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C96E6

Deuteranopia (green-blind)

#5C8BE1

Tritanopia (blue-blind)

#05A2AE

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648fe3;
/* rgb */ color: rgb(100, 143, 227);
/* oklch */ color: oklch(65.6% 0.135 262.7);

Tailwind

colors: {
  custom: {
    50: '#99afec',
    500: '#648fe3',
    950: '#000000',
  },
}

SCSS

$custom: #648fe3;
$custom-light: #99afec;
$custom-dark: #000000;

JSON

{
  "hex": "#648fe3",
  "rgb": {
    "r": 100,
    "g": 143,
    "b": 227
  },
  "hsl": {
    "h": 219.685,
    "s": 69.399,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65647,
    "c": 0.13455,
    "h": 262.7
  },
  "luminance": 0.279
}

Semantic roles & 50–950 ramp

primary

#648FE3

secondary

#E8D9BB

accent

#9114D1

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1016

muted

#7E7F84

Preview Lab

Preview with #648FE3

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

Preview Lab → · Contrast checker → · Palette generator →