#648DCD#648DCD

#648DCD is a light, moderate blue. Relative luminance 0.262; OKLCH L 64.1% C 0.107 H 259.0°. Best body text is #000000 at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#648DCD
RGB	rgb(100, 141, 205)
HSL	hsl(217, 51%, 60%)
HSV	hsv(217, 51%, 80%)
CMYK	cmyk(51.2%, 31.2%, 0%, 19.6%)
CIE-LAB	lab(58.19, 3.93, -37.35)
CIE-LCH	lch(58.19, 37.55, 276.00°)
OKLab	oklab(64.06% -0.0203 -0.105)
OKLCH	oklch(64.06% 0.107 259)
XYZ	xyz(25.7961, 26.1650, 61.4368)
Luminance	0.2617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DCD #CDA464

analogous

#64C2CD #648DCD #6F64CD

triadic

#648DCD #CD648D #8DCD64

tetradic

#648DCD #CD64C2 #CDA464 #64CD6F

square

#648DCD #CD64C2 #CDA464 #64CD6F

split-complementary

#648DCD #CD6F64 #C2CD64

monochromatic

#2D518A #3B6CB8 #648DCD #92AFDC #C1D1EB

Accessibility & contrast

On white

3.37

#648DCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.23

#648DCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DCD

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DCD	#FFFFFF	#000000	##000000
##648DCD	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)

#7491D0

Deuteranopia (green-blind)

#6787CC

Tritanopia (blue-blind)

#319BA4

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648dcd;
/* rgb */ color: rgb(100, 141, 205);
/* oklch */ color: oklch(64.1% 0.107 259.0);

Tailwind

colors: {
  custom: {
    50: '#96aedc',
    500: '#648dcd',
    950: '#000000',
  },
}

SCSS

$custom: #648dcd;
$custom-light: #96aedc;
$custom-dark: #000000;

JSON

{
  "hex": "#648dcd",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 205
  },
  "hsl": {
    "h": 216.571,
    "s": 51.22,
    "l": 59.804
  },
  "oklch": {
    "l": 0.64056,
    "c": 0.10695,
    "h": 259
  },
  "luminance": 0.26167
}

Semantic roles & 50–950 ramp

primary

#648DCD

secondary

#DBCBB2

accent

#A34DDB

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648DCD

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

Preview Lab → · Contrast checker → · Palette generator →