#648DD4#648DD4

#648DD4 is a light, moderate blue. Relative luminance 0.265; OKLCH L 64.4% C 0.116 H 260.9°. Best body text is #000000 at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#648DD4
RGB	rgb(100, 141, 212)
HSL	hsl(218, 57%, 61%)
HSV	hsv(218, 53%, 83%)
CMYK	cmyk(52.8%, 33.5%, 0%, 16.9%)
CIE-LAB	lab(58.52, 6.10, -40.77)
CIE-LCH	lch(58.52, 41.22, 278.51°)
OKLab	oklab(64.42% -0.0185 -0.1149)
OKLCH	oklch(64.42% 0.116 260.9)
XYZ	xyz(26.6600, 26.5106, 65.9868)
Luminance	0.2651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DD4 #D4AB64

analogous

#64C5D4 #648DD4 #7364D4

triadic

#648DD4 #D4648D #8DD464

tetradic

#648DD4 #D464C5 #D4AB64 #64D473

square

#648DD4 #D464C5 #D4AB64 #64D473

split-complementary

#648DD4 #D47364 #C5D464

monochromatic

#295094 #366AC4 #648DD4 #94B0E1 #C4D3EF

Accessibility & contrast

On white

3.33

#648DD4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.30

#648DD4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DD4

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DD4	#FFFFFF	#000000	##000000
##648DD4	1.00	3.33	6.30	6.30
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.30	21.00	1.00	1.00
##000000	6.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7192D7

Deuteranopia (green-blind)

#6388D2

Tritanopia (blue-blind)

#299DA7

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648dd4;
/* rgb */ color: rgb(100, 141, 212);
/* oklch */ color: oklch(64.4% 0.116 260.9);

Tailwind

colors: {
  custom: {
    50: '#97aee1',
    500: '#648dd4',
    950: '#000000',
  },
}

SCSS

$custom: #648dd4;
$custom-light: #97aee1;
$custom-dark: #000000;

JSON

{
  "hex": "#648dd4",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 212
  },
  "hsl": {
    "h": 218.036,
    "s": 56.566,
    "l": 61.176
  },
  "oklch": {
    "l": 0.64416,
    "c": 0.11641,
    "h": 260.9
  },
  "luminance": 0.26513
}

Semantic roles & 50–950 ramp

primary

#648DD4

secondary

#DFD0B5

accent

#8921C4

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648DD4

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

Preview Lab → · Contrast checker → · Palette generator →