#648CD3#648CD3

#648CD3 is a light, moderate blue. Relative luminance 0.262; OKLCH L 64.1% C 0.116 H 261.3°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#648CD3
RGB	rgb(100, 140, 211)
HSL	hsl(218, 56%, 61%)
HSV	hsv(218, 53%, 83%)
CMYK	cmyk(52.6%, 33.6%, 0%, 17.3%)
CIE-LAB	lab(58.19, 6.37, -40.72)
CIE-LCH	lch(58.19, 41.21, 278.90°)
OKLab	oklab(64.15% -0.0176 -0.1148)
OKLCH	oklch(64.15% 0.116 261.3)
XYZ	xyz(26.3875, 26.1667, 65.2755)
Luminance	0.2617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CD3 #D3AB64

analogous

#64C4D3 #648CD3 #7364D3

triadic

#648CD3 #D3648C #8CD364

tetradic

#648CD3 #D364C4 #D3AB64 #64D373

square

#648CD3 #D364C4 #D3AB64 #64D373

split-complementary

#648CD3 #D37364 #C4D364

monochromatic

#2A5093 #3769C3 #648CD3 #94AFE1 #C3D3EE

Accessibility & contrast

On white

3.37

#648CD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#648CD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CD3

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CD3	#FFFFFF	#000000	##000000
##648CD3	1.00	3.37	6.23	6.23
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.23	21.00	1.00	1.00
##000000	6.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7092D6

Deuteranopia (green-blind)

#6387D1

Tritanopia (blue-blind)

#2A9CA6

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648cd3;
/* rgb */ color: rgb(100, 140, 211);
/* oklch */ color: oklch(64.1% 0.116 261.3);

Tailwind

colors: {
  custom: {
    50: '#97ade1',
    500: '#648cd3',
    950: '#000000',
  },
}

SCSS

$custom: #648cd3;
$custom-light: #97ade1;
$custom-dark: #000000;

JSON

{
  "hex": "#648cd3",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 211
  },
  "hsl": {
    "h": 218.378,
    "s": 55.779,
    "l": 60.98
  },
  "oklch": {
    "l": 0.64149,
    "c": 0.11614,
    "h": 261.3
  },
  "luminance": 0.26169
}

Semantic roles & 50–950 ramp

primary

#648CD3

secondary

#DECFB4

accent

#8922C3

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648CD3

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

Preview Lab → · Contrast checker → · Palette generator →