#645BAD#645BAD

#645BAD is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.9% C 0.126 H 286.1°. Best body text is #FFFFFF at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#645BAD
RGB	rgb(100, 91, 173)
HSL	hsl(247, 33%, 52%)
HSV	hsv(247, 47%, 68%)
CMYK	cmyk(42.2%, 47.4%, 0%, 32.2%)
CIE-LAB	lab(43.08, 24.50, -42.81)
CIE-LCH	lch(43.08, 49.33, 299.78°)
OKLab	oklab(51.9% 0.0351 -0.1212)
OKLCH	oklch(51.9% 0.126 286.1)
XYZ	xyz(16.5373, 13.2080, 41.2051)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645BAD #A4AD5B

analogous

#5B7BAD #645BAD #8D5BAD

triadic

#645BAD #AD645B #5BAD64

tetradic

#645BAD #AD5B7B #A4AD5B #5BAD8D

square

#645BAD #AD5B7B #A4AD5B #5BAD8D

split-complementary

#645BAD #AD8D5B #7BAD5B

monochromatic

#342F5E #4B4487 #645BAD #8B84C1 #B1ADD6

Accessibility & contrast

On white

5.77

#645BAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#645BAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645BAD

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645BAD	#FFFFFF	#000000	##FFFFFF
##645BAD	1.00	5.77	3.64	5.77
#FFFFFF	5.77	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B68B0

Deuteranopia (green-blind)

#3963AB

Tritanopia (blue-blind)

#4F6C7C

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #645bad;
/* rgb */ color: rgb(100, 91, 173);
/* oklch */ color: oklch(51.9% 0.126 286.1);

Tailwind

colors: {
  custom: {
    50: '#9489c6',
    500: '#645bad',
    950: '#000000',
  },
}

SCSS

$custom: #645bad;
$custom-light: #9489c6;
$custom-dark: #000000;

JSON

{
  "hex": "#645bad",
  "rgb": {
    "r": 100,
    "g": 91,
    "b": 173
  },
  "hsl": {
    "h": 246.585,
    "s": 33.333,
    "l": 51.765
  },
  "oklch": {
    "l": 0.51901,
    "c": 0.12615,
    "h": 286.1
  },
  "luminance": 0.13209
}

Semantic roles & 50–950 ramp

primary

#645BAD

secondary

#C0C4A0

accent

#C95EBE

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #645BAD

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

Preview Lab → · Contrast checker → · Palette generator →