#648BCE#648BCE

#648BCE is a light, moderate blue. Relative luminance 0.256; OKLCH L 63.7% C 0.110 H 260.8°. Best body text is #000000 at 6.13:1 contrast (WCAG AA passes).

Color values

HEX	#648BCE
RGB	rgb(100, 139, 206)
HSL	hsl(218, 52%, 60%)
HSV	hsv(218, 51%, 81%)
CMYK	cmyk(51.5%, 32.5%, 0%, 19.2%)
CIE-LAB	lab(57.68, 5.41, -38.71)
CIE-LCH	lch(57.68, 39.09, 277.95°)
OKLab	oklab(63.67% -0.0177 -0.109)
OKLCH	oklch(63.67% 0.11 260.8)
XYZ	xyz(25.6250, 25.6289, 61.9771)
Luminance	0.2563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BCE #CEA764

analogous

#64C0CE #648BCE #7264CE

triadic

#648BCE #CE648B #8BCE64

tetradic

#648BCE #CE64C0 #CEA764 #64CE72

square

#648BCE #CE64C0 #CEA764 #64CE72

split-complementary

#648BCE #CE7264 #C0CE64

monochromatic

#2C4F8C #3B6ABA #648BCE #92AEDD #C1D1EB

Accessibility & contrast

On white

3.43

#648BCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.13

#648BCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BCE

6.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BCE	#FFFFFF	#000000	##000000
##648BCE	1.00	3.43	6.13	6.13
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.13	21.00	1.00	1.00
##000000	6.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7190D1

Deuteranopia (green-blind)

#6486CD

Tritanopia (blue-blind)

#309AA3

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #648bce;
/* rgb */ color: rgb(100, 139, 206);
/* oklch */ color: oklch(63.7% 0.110 260.8);

Tailwind

colors: {
  custom: {
    50: '#96acdd',
    500: '#648bce',
    950: '#000000',
  },
}

SCSS

$custom: #648bce;
$custom-light: #96acdd;
$custom-dark: #000000;

JSON

{
  "hex": "#648bce",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 206
  },
  "hsl": {
    "h": 217.925,
    "s": 51.961,
    "l": 60
  },
  "oklch": {
    "l": 0.63673,
    "c": 0.1104,
    "h": 260.8
  },
  "luminance": 0.25631
}

Semantic roles & 50–950 ramp

primary

#648BCE

secondary

#DBCCB2

accent

#A74CDB

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648BCE

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

Preview Lab → · Contrast checker → · Palette generator →