#646CE8#646CE8

#646CE8 is a mid, vivid blue. Relative luminance 0.193; OKLCH L 59.0% C 0.184 H 276.4°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#646CE8
RGB	rgb(100, 108, 232)
HSL	hsl(236, 74%, 65%)
HSV	hsv(236, 57%, 91%)
CMYK	cmyk(56.9%, 53.4%, 0%, 9%)
CIE-LAB	lab(50.99, 32.38, -64.00)
CIE-LCH	lch(50.99, 71.73, 296.83°)
OKLab	oklab(59.02% 0.0205 -0.1833)
OKLCH	oklch(59.02% 0.184 276.4)
XYZ	xyz(25.1789, 19.2588, 78.7188)
Luminance	0.1926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646CE8 #E8E064

analogous

#64AEE8 #646CE8 #9E64E8

triadic

#646CE8 #E8646C #6CE864

tetradic

#646CE8 #E864AE #E8E064 #64E89E

square

#646CE8 #E864AE #E8E064 #64E89E

split-complementary

#646CE8 #E89E64 #AEE864

monochromatic

#1B25B7 #2F39E0 #646CE8 #999FF0 #CFD1F8

Accessibility & contrast

On white

4.33

#646CE8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#646CE8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646CE8

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646CE8	#FFFFFF	#000000	##000000
##646CE8	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C7FEC

Deuteranopia (green-blind)

#0074E5

Tritanopia (blue-blind)

#0E89A0

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #646ce8;
/* rgb */ color: rgb(100, 108, 232);
/* oklch */ color: oklch(59.0% 0.184 276.4);

Tailwind

colors: {
  custom: {
    50: '#9b96f0',
    500: '#646ce8',
    950: '#000000',
  },
}

SCSS

$custom: #646ce8;
$custom-light: #9b96f0;
$custom-dark: #000000;

JSON

{
  "hex": "#646ce8",
  "rgb": {
    "r": 100,
    "g": 108,
    "b": 232
  },
  "hsl": {
    "h": 236.364,
    "s": 74.157,
    "l": 65.098
  },
  "oklch": {
    "l": 0.59022,
    "c": 0.18448,
    "h": 276.4
  },
  "luminance": 0.19261
}

Semantic roles & 50–950 ramp

primary

#646CE8

secondary

#EAE8BE

accent

#CA0FD6

background

#FAF9FE

surface

#F4F1FD

border

#CECBD5

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646CE8

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

Preview Lab → · Contrast checker → · Palette generator →