#646EF1#646EF1

#646EF1 is a mid, vivid blue. Relative luminance 0.202; OKLCH L 60.0% C 0.194 H 275.6°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#646EF1
RGB	rgb(100, 110, 241)
HSL	hsl(236, 83%, 67%)
HSV	hsv(236, 59%, 95%)
CMYK	cmyk(58.5%, 54.4%, 0%, 5.5%)
CIE-LAB	lab(52.07, 34.05, -67.29)
CIE-LCH	lch(52.07, 75.41, 296.84°)
OKLab	oklab(60.02% 0.0189 -0.193)
OKLCH	oklch(60.02% 0.194 275.6)
XYZ	xyz(26.7035, 20.2100, 85.6958)
Luminance	0.2021 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EF1 #F1E764

analogous

#64B4F1 #646EF1 #A164F1

triadic

#646EF1 #F1646E #6EF164

tetradic

#646EF1 #F164B4 #F1E764 #64F1A1

square

#646EF1 #F164B4 #F1E764 #64F1A1

split-complementary

#646EF1 #F1A164 #B4F164

monochromatic

#121FC8 #2C39EC #646EF1 #9CA3F6 #D4D7FB

Accessibility & contrast

On white

4.16

#646EF1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#646EF1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646EF1

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EF1	#FFFFFF	#000000	##000000
##646EF1	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B82F6

Deuteranopia (green-blind)

#0076EE

Tritanopia (blue-blind)

#008DA5

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #646ef1;
/* rgb */ color: rgb(100, 110, 241);
/* oklch */ color: oklch(60.0% 0.194 275.6);

Tailwind

colors: {
  custom: {
    50: '#9c97f6',
    500: '#646ef1',
    950: '#000000',
  },
}

SCSS

$custom: #646ef1;
$custom-light: #9c97f6;
$custom-dark: #000000;

JSON

{
  "hex": "#646ef1",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 241
  },
  "hsl": {
    "h": 235.745,
    "s": 83.432,
    "l": 66.863
  },
  "oklch": {
    "l": 0.60024,
    "c": 0.19391,
    "h": 275.6
  },
  "luminance": 0.20212
}

Semantic roles & 50–950 ramp

primary

#646EF1

secondary

#EFECC2

accent

#D006E0

background

#FAF9FF

surface

#F4F2FF

border

#CECCD7

text

#0F0D17

muted

#7F7E85

Preview Lab

Preview with #646EF1

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

Preview Lab → · Contrast checker → · Palette generator →