#646DE4#646DE4

#646DE4 is a mid, vivid blue. Relative luminance 0.192; OKLCH L 58.9% C 0.178 H 276.2°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#646DE4
RGB	rgb(100, 109, 228)
HSL	hsl(236, 70%, 64%)
HSV	hsv(236, 56%, 89%)
CMYK	cmyk(56.1%, 52.2%, 0%, 10.6%)
CIE-LAB	lab(50.97, 30.49, -61.78)
CIE-LCH	lch(50.97, 68.89, 296.27°)
OKLab	oklab(58.93% 0.0193 -0.1768)
OKLCH	oklch(58.93% 0.178 276.2)
XYZ	xyz(24.7233, 19.2463, 75.7958)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646DE4 #E4DB64

analogous

#64ADE4 #646DE4 #9B64E4

triadic

#646DE4 #E4646D #6DE464

tetradic

#646DE4 #E464AD #E4DB64 #64E49B

square

#646DE4 #E464AD #E4DB64 #64E49B

split-complementary

#646DE4 #E49B64 #ADE464

monochromatic

#1F29AF #303CDB #646DE4 #989EED #CCCFF6

Accessibility & contrast

On white

4.33

#646DE4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#646DE4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646DE4

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646DE4	#FFFFFF	#000000	##000000
##646DE4	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)

#287FE8

Deuteranopia (green-blind)

#0574E2

Tritanopia (blue-blind)

#19889E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #646de4;
/* rgb */ color: rgb(100, 109, 228);
/* oklch */ color: oklch(58.9% 0.178 276.2);

Tailwind

colors: {
  custom: {
    50: '#9a96ed',
    500: '#646de4',
    950: '#000000',
  },
}

SCSS

$custom: #646de4;
$custom-light: #9a96ed;
$custom-dark: #000000;

JSON

{
  "hex": "#646de4",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 228
  },
  "hsl": {
    "h": 235.781,
    "s": 70.33,
    "l": 64.314
  },
  "oklch": {
    "l": 0.58928,
    "c": 0.17784,
    "h": 276.2
  },
  "luminance": 0.19248
}

Semantic roles & 50–950 ramp

primary

#646DE4

secondary

#E8E5BC

accent

#C513D2

background

#FAF9FE

surface

#F3F2FD

border

#CDCCD5

text

#0F0D16

muted

#7F7E84

Preview Lab

Preview with #646DE4

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

Preview Lab → · Contrast checker → · Palette generator →