#645AEC#645AEC

#645AEC is a mid, highly saturated blue. Relative luminance 0.161; OKLCH L 56.2% C 0.212 H 280.2°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#645AEC
RGB	rgb(100, 90, 236)
HSL	hsl(244, 79%, 64%)
HSV	hsv(244, 62%, 93%)
CMYK	cmyk(57.6%, 61.9%, 0%, 7.5%)
CIE-LAB	lab(47.07, 44.37, -72.60)
CIE-LCH	lch(47.07, 85.08, 301.43°)
OKLab	oklab(56.22% 0.0375 -0.2087)
OKLCH	oklch(56.22% 0.212 280.2)
XYZ	xyz(24.0472, 16.0761, 81.1764)
Luminance	0.1608 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645AEC #E2EC5A

analogous

#5A99EC #645AEC #AD5AEC

triadic

#645AEC #EC645A #5AEC64

tetradic

#645AEC #EC5A99 #E2EC5A #5AECAD

square

#645AEC #EC5A99 #E2EC5A #5AECAD

split-complementary

#645AEC #ECAD5A #99EC5A

monochromatic

#2015B7 #3023E6 #645AEC #9891F2 #CBC8F9

Accessibility & contrast

On white

4.98

#645AEC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#645AEC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645AEC

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645AEC	#FFFFFF	#000000	##FFFFFF
##645AEC	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075F1

Deuteranopia (green-blind)

#006AE9

Tritanopia (blue-blind)

#077E9B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #645aec;
/* rgb */ color: rgb(100, 90, 236);
/* oklch */ color: oklch(56.2% 0.212 280.2);

Tailwind

colors: {
  custom: {
    50: '#9c89f3',
    500: '#645aec',
    950: '#000000',
  },
}

SCSS

$custom: #645aec;
$custom-light: #9c89f3;
$custom-dark: #000000;

JSON

{
  "hex": "#645aec",
  "rgb": {
    "r": 100,
    "g": 90,
    "b": 236
  },
  "hsl": {
    "h": 244.11,
    "s": 79.348,
    "l": 63.922
  },
  "oklch": {
    "l": 0.56215,
    "c": 0.21208,
    "h": 280.2
  },
  "luminance": 0.16078
}

Semantic roles & 50–950 ramp

primary

#645AEC

secondary

#E7EBB7

accent

#DC0ACD

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#0F0B17

muted

#7F7C85

Preview Lab

Preview with #645AEC

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

Preview Lab → · Contrast checker → · Palette generator →