#645EAD#645EAD

#645EAD is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.5% C 0.122 H 284.8°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#645EAD
RGB	rgb(100, 94, 173)
HSL	hsl(245, 33%, 52%)
HSV	hsv(245, 46%, 68%)
CMYK	cmyk(42.2%, 45.7%, 0%, 32.2%)
CIE-LAB	lab(43.84, 22.65, -41.59)
CIE-LCH	lch(43.84, 47.35, 298.57°)
OKLab	oklab(52.48% 0.0312 -0.1176)
OKLCH	oklch(52.48% 0.122 284.8)
XYZ	xyz(16.7989, 13.7312, 41.2923)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645EAD #A7AD5E

analogous

#5E80AD #645EAD #8C5EAD

triadic

#645EAD #AD645E #5EAD64

tetradic

#645EAD #AD5E80 #A7AD5E #5EAD8C

square

#645EAD #AD5E80 #A7AD5E #5EAD8C

split-complementary

#645EAD #AD8C5E #80AD5E

monochromatic

#343160 #4B4588 #645EAD #8B87C2 #B2AFD6

Accessibility & contrast

On white

5.61

#645EAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#645EAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645EAD

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645EAD	#FFFFFF	#000000	##FFFFFF
##645EAD	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406AB0

Deuteranopia (green-blind)

#3E65AB

Tritanopia (blue-blind)

#4E6E7D

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #645ead;
/* rgb */ color: rgb(100, 94, 173);
/* oklch */ color: oklch(52.5% 0.122 284.8);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#645ead",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 173
  },
  "hsl": {
    "h": 244.557,
    "s": 32.51,
    "l": 52.353
  },
  "oklch": {
    "l": 0.52483,
    "c": 0.12164,
    "h": 284.8
  },
  "luminance": 0.13732
}

Semantic roles & 50–950 ramp

primary

#645EAD

secondary

#C2C5A2

accent

#C95FC1

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0C13

muted

#7E7D82

Preview Lab

Preview with #645EAD

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

Preview Lab → · Contrast checker → · Palette generator →