#645EAE#645EAE

#645EAE is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.5% C 0.123 H 284.7°. Best body text is #FFFFFF at 5.59:1 contrast (WCAG AA passes).

Color values

HEX	#645EAE
RGB	rgb(100, 94, 174)
HSL	hsl(245, 33%, 53%)
HSV	hsv(245, 46%, 68%)
CMYK	cmyk(42.5%, 46%, 0%, 31.8%)
CIE-LAB	lab(43.90, 22.94, -42.08)
CIE-LCH	lch(43.90, 47.93, 298.60°)
OKLab	oklab(52.54% 0.0313 -0.119)
OKLCH	oklch(52.54% 0.123 284.7)
XYZ	xyz(16.8960, 13.7701, 41.8038)
Luminance	0.1377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645EAE #A8AE5E

analogous

#5E80AE #645EAE #8C5EAE

triadic

#645EAE #AE645E #5EAE64

tetradic

#645EAE #AE5E80 #A8AE5E #5EAE8C

square

#645EAE #AE5E80 #A8AE5E #5EAE8C

split-complementary

#645EAE #AE8C5E #80AE5E

monochromatic

#343161 #4A458A #645EAE #8B87C2 #B2AFD7

Accessibility & contrast

On white

5.59

#645EAE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#645EAE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645EAE

5.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645EAE	#FFFFFF	#000000	##FFFFFF
##645EAE	1.00	5.59	3.75	5.59
#FFFFFF	5.59	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406AB1

Deuteranopia (green-blind)

#3D65AC

Tritanopia (blue-blind)

#4E6E7D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #645eae;
/* rgb */ color: rgb(100, 94, 174);
/* oklch */ color: oklch(52.5% 0.123 284.7);

Tailwind

colors: {
  custom: {
    50: '#948bc6',
    500: '#645eae',
    950: '#000000',
  },
}

SCSS

$custom: #645eae;
$custom-light: #948bc6;
$custom-dark: #000000;

JSON

{
  "hex": "#645eae",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 174
  },
  "hsl": {
    "h": 244.5,
    "s": 33.058,
    "l": 52.549
  },
  "oklch": {
    "l": 0.52544,
    "c": 0.12309,
    "h": 284.7
  },
  "luminance": 0.13771
}

Semantic roles & 50–950 ramp

primary

#645EAE

secondary

#C3C5A3

accent

#C95FC1

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0C13

muted

#7E7D82

Preview Lab

Preview with #645EAE

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

Preview Lab → · Contrast checker → · Palette generator →