#648DDA#648DDA

#648DDA is a light, vivid blue. Relative luminance 0.268; OKLCH L 64.7% C 0.125 H 262.2°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#648DDA
RGB	rgb(100, 141, 218)
HSL	hsl(219, 61%, 62%)
HSV	hsv(219, 54%, 85%)
CMYK	cmyk(54.1%, 35.3%, 0%, 14.5%)
CIE-LAB	lab(58.81, 7.98, -43.68)
CIE-LCH	lch(58.81, 44.40, 280.36°)
OKLab	oklab(64.73% -0.017 -0.1234)
OKLCH	oklch(64.73% 0.125 262.2)
XYZ	xyz(27.4310, 26.8189, 70.0471)
Luminance	0.2682 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DDA #DAB164

analogous

#64C8DA #648DDA #7664DA

triadic

#648DDA #DA648D #8DDA64

tetradic

#648DDA #DA64C8 #DAB164 #64DA76

square

#648DDA #DA64C8 #DAB164 #64DA76

split-complementary

#648DDA #DA7664 #C8DA64

monochromatic

#264F9E #3369CE #648DDA #95B1E6 #C7D6F2

Accessibility & contrast

On white

3.30

#648DDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#648DDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DDA

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DDA	#FFFFFF	#000000	##000000
##648DDA	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E93DD

Deuteranopia (green-blind)

#6088D8

Tritanopia (blue-blind)

#209EA9

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648dda;
/* rgb */ color: rgb(100, 141, 218);
/* oklch */ color: oklch(64.7% 0.125 262.2);

Tailwind

colors: {
  custom: {
    50: '#98aee6',
    500: '#648dda',
    950: '#000000',
  },
}

SCSS

$custom: #648dda;
$custom-light: #98aee6;
$custom-dark: #000000;

JSON

{
  "hex": "#648dda",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 218
  },
  "hsl": {
    "h": 219.153,
    "s": 61.458,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64734,
    "c": 0.12456,
    "h": 262.2
  },
  "luminance": 0.26821
}

Semantic roles & 50–950 ramp

primary

#648DDA

secondary

#E2D3B7

accent

#8D1CC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648DDA

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

Preview Lab → · Contrast checker → · Palette generator →