#646DCA#646DCA

#646DCA is a mid, vivid blue. Relative luminance 0.179; OKLCH L 57.2% C 0.142 H 276.8°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#646DCA
RGB	rgb(100, 109, 202)
HSL	hsl(235, 49%, 59%)
HSV	hsv(235, 50%, 79%)
CMYK	cmyk(50.5%, 46%, 0%, 20.8%)
CIE-LAB	lab(49.39, 22.25, -49.57)
CIE-LCH	lch(49.39, 54.34, 294.18°)
OKLab	oklab(57.22% 0.0167 -0.1409)
OKLCH	oklch(57.22% 0.142 276.8)
XYZ	xyz(21.3815, 17.9096, 58.1959)
Luminance	0.1791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646DCA #CAC164

analogous

#64A0CA #646DCA #8E64CA

triadic

#646DCA #CA646D #6DCA64

tetradic

#646DCA #CA64A0 #CAC164 #64CA8E

square

#646DCA #CA64A0 #CAC164 #64CA8E

split-complementary

#646DCA #CA8E64 #A0CA64

monochromatic

#2E3686 #3D48B3 #646DCA #9298DA #BFC3E9

Accessibility & contrast

On white

4.58

#646DCA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#646DCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #646DCA

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646DCA	#FFFFFF	#000000	##000000
##646DCA	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#457ACD

Deuteranopia (green-blind)

#3B71C8

Tritanopia (blue-blind)

#3A8192

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #646dca;
/* rgb */ color: rgb(100, 109, 202);
/* oklch */ color: oklch(57.2% 0.142 276.8);

Tailwind

colors: {
  custom: {
    50: '#9696db',
    500: '#646dca',
    950: '#000000',
  },
}

SCSS

$custom: #646dca;
$custom-light: #9696db;
$custom-dark: #000000;

JSON

{
  "hex": "#646dca",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 202
  },
  "hsl": {
    "h": 234.706,
    "s": 49.038,
    "l": 59.216
  },
  "oklch": {
    "l": 0.57219,
    "c": 0.1419,
    "h": 276.8
  },
  "luminance": 0.17911
}

Semantic roles & 50–950 ramp

primary

#646DCA

secondary

#D9D5B1

accent

#CC4FD9

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0E0D15

muted

#7E7E83

Preview Lab

Preview with #646DCA

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

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