#648BD9#648BD9

#648BD9 is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.3% C 0.125 H 263.2°. Best body text is #000000 at 6.24:1 contrast (WCAG AA passes).

Color values

HEX	#648BD9
RGB	rgb(100, 139, 217)
HSL	hsl(220, 61%, 62%)
HSV	hsv(220, 54%, 85%)
CMYK	cmyk(53.9%, 35.9%, 0%, 14.9%)
CIE-LAB	lab(58.21, 8.85, -44.06)
CIE-LCH	lch(58.21, 44.94, 281.36°)
OKLab	oklab(64.26% -0.0149 -0.1245)
OKLCH	oklch(64.26% 0.125 263.2)
XYZ	xyz(27.0083, 26.1823, 69.2626)
Luminance	0.2618 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BD9 #D9B264

analogous

#64C6D9 #648BD9 #7864D9

triadic

#648BD9 #D9648B #8BD964

tetradic

#648BD9 #D964C6 #D9B264 #64D978

square

#648BD9 #D964C6 #D9B264 #64D978

split-complementary

#648BD9 #D97864 #C6D964

monochromatic

#264E9C #3366CD #648BD9 #95B0E5 #C6D5F1

Accessibility & contrast

On white

3.37

#648BD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.24

#648BD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BD9

6.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BD9	#FFFFFF	#000000	##000000
##648BD9	1.00	3.37	6.24	6.24
#FFFFFF	3.37	1.00	21.00	21.00
#000000	6.24	21.00	1.00	1.00
##000000	6.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C92DC

Deuteranopia (green-blind)

#5E87D7

Tritanopia (blue-blind)

#229CA8

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648bd9;
/* rgb */ color: rgb(100, 139, 217);
/* oklch */ color: oklch(64.3% 0.125 263.2);

Tailwind

colors: {
  custom: {
    50: '#98ace5',
    500: '#648bd9',
    950: '#000000',
  },
}

SCSS

$custom: #648bd9;
$custom-light: #98ace5;
$custom-dark: #000000;

JSON

{
  "hex": "#648bd9",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 217
  },
  "hsl": {
    "h": 220,
    "s": 60.622,
    "l": 62.157
  },
  "oklch": {
    "l": 0.64255,
    "c": 0.12542,
    "h": 263.2
  },
  "luminance": 0.26184
}

Semantic roles & 50–950 ramp

primary

#648BD9

secondary

#E2D4B7

accent

#8F1DC8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648BD9

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

Preview Lab → · Contrast checker → · Palette generator →