#645ABA#645ABA

#645ABA is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.6% C 0.146 H 284.9°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#645ABA
RGB	rgb(100, 90, 186)
HSL	hsl(246, 41%, 54%)
HSV	hsv(246, 52%, 73%)
CMYK	cmyk(46.2%, 51.6%, 0%, 27.1%)
CIE-LAB	lab(43.60, 29.00, -49.58)
CIE-LCH	lch(43.60, 57.44, 300.32°)
OKLab	oklab(52.55% 0.0376 -0.1411)
OKLCH	oklch(52.55% 0.146 284.9)
XYZ	xyz(17.7720, 13.5660, 48.1269)
Luminance	0.1357 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645ABA #B0BA5A

analogous

#5A80BA #645ABA #945ABA

triadic

#645ABA #BA645A #5ABA64

tetradic

#645ABA #BA5A80 #B0BA5A #5ABA94

square

#645ABA #BA5A80 #B0BA5A #5ABA94

split-complementary

#645ABA #BA945A #80BA5A

monochromatic

#342D6C #493F97 #645ABA #8D85CC #B5B0DE

Accessibility & contrast

On white

5.66

#645ABA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#645ABA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645ABA

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645ABA	#FFFFFF	#000000	##FFFFFF
##645ABA	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D6ABD

Deuteranopia (green-blind)

#2A64B8

Tritanopia (blue-blind)

#486F81

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #645aba;
/* rgb */ color: rgb(100, 90, 186);
/* oklch */ color: oklch(52.6% 0.146 284.9);

Tailwind

colors: {
  custom: {
    50: '#9589cf',
    500: '#645aba',
    950: '#000000',
  },
}

SCSS

$custom: #645aba;
$custom-light: #9589cf;
$custom-dark: #000000;

JSON

{
  "hex": "#645aba",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 186
  },
  "hsl": {
    "h": 246.25,
    "s": 41.026,
    "l": 54.118
  },
  "oklch": {
    "l": 0.52551,
    "c": 0.14599,
    "h": 284.9
  },
  "luminance": 0.13567
}

Semantic roles & 50–950 ramp

primary

#645ABA

secondary

#C8CCA3

accent

#D157C4

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0B14

muted

#7E7C82

Preview Lab

Preview with #645ABA

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

Preview Lab → · Contrast checker → · Palette generator →