#648BDA#648BDA

#648BDA is a light, vivid blue. Relative luminance 0.262; OKLCH L 64.3% C 0.127 H 263.3°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#648BDA
RGB	rgb(100, 139, 218)
HSL	hsl(220, 61%, 62%)
HSV	hsv(220, 54%, 85%)
CMYK	cmyk(54.1%, 36.2%, 0%, 14.5%)
CIE-LAB	lab(58.26, 9.16, -44.54)
CIE-LCH	lch(58.26, 45.47, 281.63°)
OKLab	oklab(64.31% -0.0147 -0.1259)
OKLCH	oklch(64.31% 0.127 263.3)
XYZ	xyz(27.1388, 26.2345, 69.9497)
Luminance	0.2624 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648BDA #DAB364

analogous

#64C6DA #648BDA #7864DA

triadic

#648BDA #DA648B #8BDA64

tetradic

#648BDA #DA64C6 #DAB364 #64DA78

square

#648BDA #DA64C6 #DAB364 #64DA78

split-complementary

#648BDA #DA7864 #C6DA64

monochromatic

#264D9E #3366CE #648BDA #95B0E6 #C7D5F2

Accessibility & contrast

On white

3.36

#648BDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#648BDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648BDA

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648BDA	#FFFFFF	#000000	##000000
##648BDA	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B92DD

Deuteranopia (green-blind)

#5D87D8

Tritanopia (blue-blind)

#219CA8

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #648bda;
/* rgb */ color: rgb(100, 139, 218);
/* oklch */ color: oklch(64.3% 0.127 263.3);

Tailwind

colors: {
  custom: {
    50: '#98ace6',
    500: '#648bda',
    950: '#000000',
  },
}

SCSS

$custom: #648bda;
$custom-light: #98ace6;
$custom-dark: #000000;

JSON

{
  "hex": "#648bda",
  "rgb": {
    "r": 100,
    "g": 139,
    "b": 218
  },
  "hsl": {
    "h": 220.169,
    "s": 61.458,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64309,
    "c": 0.1268,
    "h": 263.3
  },
  "luminance": 0.26237
}

Semantic roles & 50–950 ramp

primary

#648BDA

secondary

#E2D4B7

accent

#901CC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648BDA

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

Preview Lab → · Contrast checker → · Palette generator →