#648EE9#648EE9

#648EE9 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.8% C 0.144 H 264.1°. Best body text is #000000 at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#648EE9
RGB	rgb(100, 142, 233)
HSL	hsl(221, 75%, 65%)
HSV	hsv(221, 57%, 91%)
CMYK	cmyk(57.1%, 39.1%, 0%, 8.6%)
CIE-LAB	lab(59.83, 12.18, -50.41)
CIE-LCH	lch(59.83, 51.86, 283.58°)
OKLab	oklab(65.77% -0.0147 -0.143)
OKLCH	oklch(65.77% 0.144 264.1)
XYZ	xyz(29.6315, 27.9361, 80.9057)
Luminance	0.2794 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#648EE9 #E9BF64

analogous

#64D0E9 #648EE9 #7D64E9

triadic

#648EE9 #E9648E #8EE964

tetradic

#648EE9 #E964D0 #E9BF64 #64E97D

square

#648EE9 #E964D0 #E9BF64 #64E97D

split-complementary

#648EE9 #E97D64 #D0E964

monochromatic

#1A4CB8 #2E67E1 #648EE9 #9AB5F1 #CFDCF8

Accessibility & contrast

On white

3.19

#648EE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.59

#648EE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #648EE9

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##648EE9	#FFFFFF	#000000	##000000
##648EE9	1.00	3.19	6.59	6.59
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.59	21.00	1.00	1.00
##000000	6.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6897ED

Deuteranopia (green-blind)

#568BE7

Tritanopia (blue-blind)

#00A2B0

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #648ee9;
/* rgb */ color: rgb(100, 142, 233);
/* oklch */ color: oklch(65.8% 0.144 264.1);

Tailwind

colors: {
  custom: {
    50: '#9aaef0',
    500: '#648ee9',
    950: '#000000',
  },
}

SCSS

$custom: #648ee9;
$custom-light: #9aaef0;
$custom-dark: #000000;

JSON

{
  "hex": "#648ee9",
  "rgb": {
    "r": 100,
    "g": 142,
    "b": 233
  },
  "hsl": {
    "h": 221.053,
    "s": 75.141,
    "l": 65.294
  },
  "oklch": {
    "l": 0.65774,
    "c": 0.1438,
    "h": 264.1
  },
  "luminance": 0.27939
}

Semantic roles & 50–950 ramp

primary

#648EE9

secondary

#EBDDBE

accent

#980ED7

background

#FAFAFE

surface

#F3F4FD

border

#CDCED5

text

#0F1016

muted

#7F7F84

Preview Lab

Preview with #648EE9

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

Preview Lab → · Contrast checker → · Palette generator →