#648CDA#648CDA

#648CDA is a light, vivid blue. Relative luminance 0.265; OKLCH L 64.5% C 0.126 H 262.8°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#648CDA
RGB	rgb(100, 140, 218)
HSL	hsl(220, 61%, 62%)
HSV	hsv(220, 54%, 85%)
CMYK	cmyk(54.1%, 35.8%, 0%, 14.5%)
CIE-LAB	lab(58.53, 8.57, -44.11)
CIE-LCH	lch(58.53, 44.93, 281.00°)
OKLab	oklab(64.52% -0.0158 -0.1247)
OKLCH	oklch(64.52% 0.126 262.8)
XYZ	xyz(27.2842, 26.5254, 69.9982)
Luminance	0.2653 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648CDA #DAB264

analogous

#64C7DA #648CDA #7764DA

triadic

#648CDA #DA648C #8CDA64

tetradic

#648CDA #DA64C7 #DAB264 #64DA77

square

#648CDA #DA64C7 #DAB264 #64DA77

split-complementary

#648CDA #DA7764 #C7DA64

monochromatic

#264E9E #3367CE #648CDA #95B1E6 #C7D5F2

Accessibility & contrast

On white

3.33

#648CDA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#648CDA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648CDA

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648CDA	#FFFFFF	#000000	##000000
##648CDA	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D93DD

Deuteranopia (green-blind)

#5E88D8

Tritanopia (blue-blind)

#209DA9

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #648cda;
/* rgb */ color: rgb(100, 140, 218);
/* oklch */ color: oklch(64.5% 0.126 262.8);

Tailwind

colors: {
  custom: {
    50: '#98ade6',
    500: '#648cda',
    950: '#000000',
  },
}

SCSS

$custom: #648cda;
$custom-light: #98ade6;
$custom-dark: #000000;

JSON

{
  "hex": "#648cda",
  "rgb": {
    "r": 100,
    "g": 140,
    "b": 218
  },
  "hsl": {
    "h": 219.661,
    "s": 61.458,
    "l": 62.353
  },
  "oklch": {
    "l": 0.64521,
    "c": 0.12567,
    "h": 262.8
  },
  "luminance": 0.26527
}

Semantic roles & 50–950 ramp

primary

#648CDA

secondary

#E2D4B7

accent

#8F1CC9

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648CDA

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

Preview Lab → · Contrast checker → · Palette generator →