#645ADD#645ADD

#645ADD is a mid, vivid blue. Relative luminance 0.152; OKLCH L 55.1% C 0.193 H 281.4°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#645ADD
RGB	rgb(100, 90, 221)
HSL	hsl(245, 66%, 61%)
HSV	hsv(245, 59%, 87%)
CMYK	cmyk(54.8%, 59.3%, 0%, 13.3%)
CIE-LAB	lab(45.96, 39.73, -65.93)
CIE-LCH	lch(45.96, 76.97, 301.07°)
OKLab	oklab(55.05% 0.0382 -0.1891)
OKLCH	oklch(55.05% 0.193 281.4)
XYZ	xyz(21.9588, 15.2407, 70.1773)
Luminance	0.1524 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645ADD #D3DD5A

analogous

#5A91DD #645ADD #A55ADD

triadic

#645ADD #DD645A #5ADD64

tetradic

#645ADD #DD5A91 #D3DD5A #5ADDA5

square

#645ADD #DD5A91 #D3DD5A #5ADDA5

split-complementary

#645ADD #DDA55A #91DD5A

monochromatic

#2A209C #372BCF #645ADD #948DE7 #C3BFF2

Accessibility & contrast

On white

5.19

#645ADD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#645ADD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645ADD

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645ADD	#FFFFFF	#000000	##FFFFFF
##645ADD	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072E1

Deuteranopia (green-blind)

#0068DA

Tritanopia (blue-blind)

#2A7993

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #645add;
/* rgb */ color: rgb(100, 90, 221);
/* oklch */ color: oklch(55.1% 0.193 281.4);

Tailwind

colors: {
  custom: {
    50: '#9a89e8',
    500: '#645add',
    950: '#000000',
  },
}

SCSS

$custom: #645add;
$custom-light: #9a89e8;
$custom-dark: #000000;

JSON

{
  "hex": "#645add",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 221
  },
  "hsl": {
    "h": 244.58,
    "s": 65.829,
    "l": 60.98
  },
  "oklch": {
    "l": 0.55051,
    "c": 0.19295,
    "h": 281.4
  },
  "luminance": 0.15242
}

Semantic roles & 50–950 ramp

primary

#645ADD

secondary

#DEE2B1

accent

#CE18C0

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #645ADD

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

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