#648DD5#648DD5

#648DD5 is a light, moderate blue. Relative luminance 0.266; OKLCH L 64.5% C 0.118 H 261.1°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#648DD5
RGB	rgb(100, 141, 213)
HSL	hsl(218, 57%, 61%)
HSV	hsv(218, 53%, 84%)
CMYK	cmyk(53.1%, 33.8%, 0%, 16.5%)
CIE-LAB	lab(58.57, 6.41, -41.26)
CIE-LCH	lch(58.57, 41.75, 278.83°)
OKLab	oklab(64.47% -0.0182 -0.1163)
OKLCH	oklch(64.47% 0.118 261.1)
XYZ	xyz(26.7866, 26.5612, 66.6532)
Luminance	0.2656 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DD5 #D5AC64

analogous

#64C6D5 #648DD5 #7464D5

triadic

#648DD5 #D5648D #8DD564

tetradic

#648DD5 #D564C6 #D5AC64 #64D574

square

#648DD5 #D564C6 #D5AC64 #64D574

split-complementary

#648DD5 #D57464 #C6D564

monochromatic

#295096 #366AC6 #648DD5 #94B0E2 #C4D4EF

Accessibility & contrast

On white

3.33

#648DD5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#648DD5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DD5

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DD5	#FFFFFF	#000000	##000000
##648DD5	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7093D8

Deuteranopia (green-blind)

#6388D3

Tritanopia (blue-blind)

#279DA7

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648dd5;
/* rgb */ color: rgb(100, 141, 213);
/* oklch */ color: oklch(64.5% 0.118 261.1);

Tailwind

colors: {
  custom: {
    50: '#97aee2',
    500: '#648dd5',
    950: '#000000',
  },
}

SCSS

$custom: #648dd5;
$custom-light: #97aee2;
$custom-dark: #000000;

JSON

{
  "hex": "#648dd5",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 213
  },
  "hsl": {
    "h": 218.23,
    "s": 57.36,
    "l": 61.373
  },
  "oklch": {
    "l": 0.64468,
    "c": 0.11777,
    "h": 261.1
  },
  "luminance": 0.26563
}

Semantic roles & 50–950 ramp

primary

#648DD5

secondary

#E0D0B5

accent

#8921C5

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648DD5

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

Preview Lab → · Contrast checker → · Palette generator →