#648DD3#648DD3

#648DD3 is a light, moderate blue. Relative luminance 0.265; OKLCH L 64.4% C 0.115 H 260.6°. Best body text is #000000 at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#648DD3
RGB	rgb(100, 141, 211)
HSL	hsl(218, 56%, 61%)
HSV	hsv(218, 53%, 83%)
CMYK	cmyk(52.6%, 33.2%, 0%, 17.3%)
CIE-LAB	lab(58.47, 5.79, -40.28)
CIE-LCH	lch(58.47, 40.70, 278.17°)
OKLab	oklab(64.36% -0.0187 -0.1135)
OKLCH	oklch(64.36% 0.115 260.6)
XYZ	xyz(26.5343, 26.4603, 65.3245)
Luminance	0.2646 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DD3 #D3AA64

analogous

#64C4D3 #648DD3 #7264D3

triadic

#648DD3 #D3648D #8DD364

tetradic

#648DD3 #D364C4 #D3AA64 #64D372

square

#648DD3 #D364C4 #D3AA64 #64D372

split-complementary

#648DD3 #D37264 #C4D364

monochromatic

#2A5193 #376BC3 #648DD3 #94B0E1 #C3D3EE

Accessibility & contrast

On white

3.34

#648DD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.29

#648DD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DD3

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DD3	#FFFFFF	#000000	##000000
##648DD3	1.00	3.34	6.29	6.29
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.29	21.00	1.00	1.00
##000000	6.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7192D6

Deuteranopia (green-blind)

#6488D2

Tritanopia (blue-blind)

#2A9CA6

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648dd3;
/* rgb */ color: rgb(100, 141, 211);
/* oklch */ color: oklch(64.4% 0.115 260.6);

Tailwind

colors: {
  custom: {
    50: '#97aee1',
    500: '#648dd3',
    950: '#000000',
  },
}

SCSS

$custom: #648dd3;
$custom-light: #97aee1;
$custom-dark: #000000;

JSON

{
  "hex": "#648dd3",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 211
  },
  "hsl": {
    "h": 217.838,
    "s": 55.779,
    "l": 60.98
  },
  "oklch": {
    "l": 0.64364,
    "c": 0.11506,
    "h": 260.6
  },
  "luminance": 0.26462
}

Semantic roles & 50–950 ramp

primary

#648DD3

secondary

#DECFB4

accent

#8822C3

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648DD3

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

Preview Lab → · Contrast checker → · Palette generator →