#648DDB#648DDB

#648DDB is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.8% C 0.126 H 262.4°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#648DDB
RGB	rgb(100, 141, 219)
HSL	hsl(219, 62%, 63%)
HSV	hsv(219, 54%, 86%)
CMYK	cmyk(54.3%, 35.6%, 0%, 14.1%)
CIE-LAB	lab(58.86, 8.30, -44.16)
CIE-LCH	lch(58.86, 44.93, 280.64°)
OKLab	oklab(64.79% -0.0167 -0.1248)
OKLCH	oklch(64.79% 0.126 262.4)
XYZ	xyz(27.5622, 26.8714, 70.7384)
Luminance	0.2687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648DDB #DBB264

analogous

#64C8DB #648DDB #7764DB

triadic

#648DDB #DB648D #8DDB64

tetradic

#648DDB #DB64C8 #DBB264 #64DB77

square

#648DDB #DB64C8 #DBB264 #64DB77

split-complementary

#648DDB #DB7764 #C8DB64

monochromatic

#254FA0 #3268CF #648DDB #96B2E7 #C7D6F2

Accessibility & contrast

On white

3.29

#648DDB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#648DDB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648DDB

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648DDB	#FFFFFF	#000000	##000000
##648DDB	1.00	3.29	6.37	6.37
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E94DE

Deuteranopia (green-blind)

#5F89D9

Tritanopia (blue-blind)

#1E9EAA

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #648ddb;
/* rgb */ color: rgb(100, 141, 219);
/* oklch */ color: oklch(64.8% 0.126 262.4);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#648ddb",
  "rgb": {
    "r": 100,
    "g": 141,
    "b": 219
  },
  "hsl": {
    "h": 219.328,
    "s": 62.304,
    "l": 62.549
  },
  "oklch": {
    "l": 0.64788,
    "c": 0.12593,
    "h": 262.4
  },
  "luminance": 0.26874
}

Semantic roles & 50–950 ramp

primary

#648DDB

secondary

#E3D4B8

accent

#8E1BCA

background

#F9FAFE

surface

#F2F4FC

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #648DDB

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

Preview Lab → · Contrast checker → · Palette generator →