#648CD2#648CD2

#648CD2 is a light, moderate blue. Relative luminance 0.261; OKLCH L 64.1% C 0.115 H 261.1°. Best body text is #000000 at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#648CD2
RGB	rgb(100, 140, 210)
HSL	hsl(218, 55%, 61%)
HSV	hsv(218, 52%, 82%)
CMYK	cmyk(52.4%, 33.3%, 0%, 17.6%)
CIE-LAB	lab(58.15, 6.06, -40.23)
CIE-LCH	lch(58.15, 40.68, 278.57°)
OKLab	oklab(64.1% -0.0178 -0.1134)
OKLCH	oklch(64.1% 0.115 261.1)
XYZ	xyz(26.2625, 26.1167, 64.6174)
Luminance	0.2612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CD2 #D2AA64

analogous

#64C3D2 #648CD2 #7364D2

triadic

#648CD2 #D2648C #8CD264

tetradic

#648CD2 #D264C3 #D2AA64 #64D273

square

#648CD2 #D264C3 #D2AA64 #64D273

split-complementary

#648CD2 #D27364 #C3D264

monochromatic

#2A5091 #386AC1 #648CD2 #93AFE0 #C3D2EE

Accessibility & contrast

On white

3.37

#648CD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.22

#648CD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CD2

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CD2	#FFFFFF	#000000	##000000
##648CD2	1.00	3.37	6.22	6.22
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.22	21.00	1.00	1.00
##000000	6.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7091D5

Deuteranopia (green-blind)

#6387D1

Tritanopia (blue-blind)

#2B9BA5

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648cd2;
/* rgb */ color: rgb(100, 140, 210);
/* oklch */ color: oklch(64.1% 0.115 261.1);

Tailwind

colors: {
  custom: {
    50: '#97ade0',
    500: '#648cd2',
    950: '#000000',
  },
}

SCSS

$custom: #648cd2;
$custom-light: #97ade0;
$custom-dark: #000000;

JSON

{
  "hex": "#648cd2",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 210
  },
  "hsl": {
    "h": 218.182,
    "s": 55,
    "l": 60.784
  },
  "oklch": {
    "l": 0.64096,
    "c": 0.11477,
    "h": 261.1
  },
  "luminance": 0.26119
}

Semantic roles & 50–950 ramp

primary

#648CD2

secondary

#DECFB4

accent

#8923C3

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0E1015

muted

#7E7F83

Preview Lab

Preview with #648CD2

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

Preview Lab → · Contrast checker → · Palette generator →