#646ED4#646ED4

#646ED4 is a mid, vivid blue. Relative luminance 0.186; OKLCH L 58.1% C 0.155 H 276.2°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#646ED4
RGB	rgb(100, 110, 212)
HSL	hsl(235, 57%, 61%)
HSV	hsv(235, 53%, 83%)
CMYK	cmyk(52.8%, 48.1%, 0%, 16.9%)
CIE-LAB	lab(50.23, 24.79, -53.92)
CIE-LCH	lch(50.23, 59.35, 294.69°)
OKLab	oklab(58.05% 0.0168 -0.1537)
OKLCH	oklch(58.05% 0.155 276.2)
XYZ	xyz(22.7114, 18.6132, 64.6705)
Luminance	0.1862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646ED4 #D4CA64

analogous

#64A6D4 #646ED4 #9264D4

triadic

#646ED4 #D4646E #6ED464

tetradic

#646ED4 #D464A6 #D4CA64 #64D492

square

#646ED4 #D464A6 #D4CA64 #64D492

split-complementary

#646ED4 #D49264 #A6D464

monochromatic

#293394 #3643C4 #646ED4 #949BE1 #C4C8EF

Accessibility & contrast

On white

4.45

#646ED4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#646ED4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646ED4

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646ED4	#FFFFFF	#000000	##000000
##646ED4	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E7CD8

Deuteranopia (green-blind)

#3173D2

Tritanopia (blue-blind)

#318497

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #646ed4;
/* rgb */ color: rgb(100, 110, 212);
/* oklch */ color: oklch(58.1% 0.155 276.2);

Tailwind

colors: {
  custom: {
    50: '#9897e2',
    500: '#646ed4',
    950: '#000000',
  },
}

SCSS

$custom: #646ed4;
$custom-light: #9897e2;
$custom-dark: #000000;

JSON

{
  "hex": "#646ed4",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 212
  },
  "hsl": {
    "h": 234.643,
    "s": 56.566,
    "l": 61.176
  },
  "oklch": {
    "l": 0.5805,
    "c": 0.1546,
    "h": 276.2
  },
  "luminance": 0.18615
}

Semantic roles & 50–950 ramp

primary

#646ED4

secondary

#DFDBB5

accent

#B621C4

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #646ED4

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

Preview Lab → · Contrast checker → · Palette generator →