#646ABE#646ABE

#646ABE is a mid, vivid blue. Relative luminance 0.167; OKLCH L 55.9% C 0.129 H 278.3°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#646ABE
RGB	rgb(100, 106, 190)
HSL	hsl(236, 41%, 57%)
HSV	hsv(236, 47%, 75%)
CMYK	cmyk(47.4%, 44.2%, 0%, 25.5%)
CIE-LAB	lab(47.92, 20.37, -45.01)
CIE-LCH	lch(47.92, 49.40, 294.36°)
OKLab	oklab(55.89% 0.0185 -0.1275)
OKLCH	oklch(55.89% 0.129 278.3)
XYZ	xyz(19.7010, 16.7341, 50.8971)
Luminance	0.1673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646ABE #BEB864

analogous

#6497BE #646ABE #8B64BE

triadic

#646ABE #BE646A #6ABE64

tetradic

#646ABE #BE6497 #BEB864 #64BE8B

square

#646ABE #BE6497 #BEB864 #64BE8B

split-complementary

#646ABE #BE8B64 #97BE64

monochromatic

#323676 #444AA1 #646ABE #8F93D0 #BABDE2

Accessibility & contrast

On white

4.83

#646ABE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.35

#646ABE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646ABE

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646ABE	#FFFFFF	#000000	##FFFFFF
##646ABE	1.00	4.83	4.35	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.35	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4875C1

Deuteranopia (green-blind)

#416EBC

Tritanopia (blue-blind)

#437C8B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #646abe;
/* rgb */ color: rgb(100, 106, 190);
/* oklch */ color: oklch(55.9% 0.129 278.3);

Tailwind

colors: {
  custom: {
    50: '#9594d2',
    500: '#646abe',
    950: '#000000',
  },
}

SCSS

$custom: #646abe;
$custom-light: #9594d2;
$custom-dark: #000000;

JSON

{
  "hex": "#646abe",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 190
  },
  "hsl": {
    "h": 236,
    "s": 40.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.55887,
    "c": 0.12888,
    "h": 278.3
  },
  "luminance": 0.16735
}

Semantic roles & 50–950 ramp

primary

#646ABE

secondary

#D1CFAD

accent

#C957D1

background

#F9F9FC

surface

#F2F1F9

border

#CCCBD2

text

#0E0D14

muted

#7E7E82

Preview Lab

Preview with #646ABE

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

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