#648DD9#648DD9

#648DD9 is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.7% C 0.123 H 262.0°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#648DD9
RGB	rgb(100, 141, 217)
HSL	hsl(219, 61%, 62%)
HSV	hsv(219, 54%, 85%)
CMYK	cmyk(53.9%, 35%, 0%, 14.9%)
CIE-LAB	lab(58.76, 7.67, -43.19)
CIE-LCH	lch(58.76, 43.87, 280.06°)
OKLab	oklab(64.68% -0.0172 -0.122)
OKLCH	oklch(64.68% 0.123 262)
XYZ	xyz(27.3005, 26.7668, 69.3601)
Luminance	0.2677 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DD9 #D9B064

analogous

#64C8D9 #648DD9 #7564D9

triadic

#648DD9 #D9648D #8DD964

tetradic

#648DD9 #D964C8 #D9B064 #64D975

square

#648DD9 #D964C8 #D9B064 #64D975

split-complementary

#648DD9 #D97564 #C8D964

monochromatic

#26509C #3369CD #648DD9 #95B1E5 #C6D5F1

Accessibility & contrast

On white

3.31

#648DD9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#648DD9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DD9

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DD9	#FFFFFF	#000000	##000000
##648DD9	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F93DC

Deuteranopia (green-blind)

#6088D7

Tritanopia (blue-blind)

#219EA9

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648dd9;
/* rgb */ color: rgb(100, 141, 217);
/* oklch */ color: oklch(64.7% 0.123 262.0);

Tailwind

colors: {
  custom: {
    50: '#98aee5',
    500: '#648dd9',
    950: '#000000',
  },
}

SCSS

$custom: #648dd9;
$custom-light: #98aee5;
$custom-dark: #000000;

JSON

{
  "hex": "#648dd9",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 217
  },
  "hsl": {
    "h": 218.974,
    "s": 60.622,
    "l": 62.157
  },
  "oklch": {
    "l": 0.6468,
    "c": 0.12321,
    "h": 262
  },
  "luminance": 0.26769
}

Semantic roles & 50–950 ramp

primary

#648DD9

secondary

#E2D3B7

accent

#8C1DC8

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648DD9

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

Preview Lab → · Contrast checker → · Palette generator →