#648CCD#648CCD

#648CCD is a light, moderate blue. Relative luminance 0.259; OKLCH L 63.8% C 0.108 H 259.8°. Best body text is #000000 at 6.17:1 contrast (WCAG AA passes).

Color values

HEX	#648CCD
RGB	rgb(100, 140, 205)
HSL	hsl(217, 51%, 60%)
HSV	hsv(217, 51%, 80%)
CMYK	cmyk(51.2%, 31.7%, 0%, 19.6%)
CIE-LAB	lab(57.91, 4.51, -37.78)
CIE-LCH	lch(57.91, 38.05, 276.81°)
OKLab	oklab(63.84% -0.0192 -0.1063)
OKLCH	oklch(63.84% 0.108 259.8)
XYZ	xyz(25.6493, 25.8714, 61.3878)
Luminance	0.2587 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CCD #CDA564

analogous

#64C1CD #648CCD #7164CD

triadic

#648CCD #CD648C #8CCD64

tetradic

#648CCD #CD64C1 #CDA564 #64CD71

square

#648CCD #CD64C1 #CDA564 #64CD71

split-complementary

#648CCD #CD7164 #C1CD64

monochromatic

#2D508A #3B6BB8 #648CCD #92AEDC #C1D1EB

Accessibility & contrast

On white

3.40

#648CCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.17

#648CCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CCD

6.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CCD	#FFFFFF	#000000	##000000
##648CCD	1.00	3.40	6.17	6.17
#FFFFFF	3.40	1.00	21.00	21.00
#000000	6.17	21.00	1.00	1.00
##000000	6.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7391D0

Deuteranopia (green-blind)

#6687CC

Tritanopia (blue-blind)

#319AA3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #648ccd;
/* rgb */ color: rgb(100, 140, 205);
/* oklch */ color: oklch(63.8% 0.108 259.8);

Tailwind

colors: {
  custom: {
    50: '#96addc',
    500: '#648ccd',
    950: '#000000',
  },
}

SCSS

$custom: #648ccd;
$custom-light: #96addc;
$custom-dark: #000000;

JSON

{
  "hex": "#648ccd",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 205
  },
  "hsl": {
    "h": 217.143,
    "s": 51.22,
    "l": 59.804
  },
  "oklch": {
    "l": 0.63838,
    "c": 0.10799,
    "h": 259.8
  },
  "luminance": 0.25873
}

Semantic roles & 50–950 ramp

primary

#648CCD

secondary

#DBCBB2

accent

#A54DDB

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648CCD

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

Preview Lab → · Contrast checker → · Palette generator →