#645FDE#645FDE

#645FDE is a mid, vivid blue. Relative luminance 0.162; OKLCH L 56.0% C 0.188 H 280.2°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#645FDE
RGB	rgb(100, 95, 222)
HSL	hsl(242, 66%, 62%)
HSV	hsv(242, 57%, 87%)
CMYK	cmyk(55%, 57.2%, 0%, 12.9%)
CIE-LAB	lab(47.19, 37.06, -64.50)
CIE-LCH	lch(47.19, 74.39, 299.88°)
OKLab	oklab(55.98% 0.0333 -0.1849)
OKLCH	oklch(55.98% 0.188 280.2)
XYZ	xyz(22.5284, 16.1662, 71.0263)
Luminance	0.1617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645FDE #D9DE5F

analogous

#5F9ADE #645FDE #A35FDE

triadic

#645FDE #DE645F #5FDE64

tetradic

#645FDE #DE5F9A #D9DE5F #5FDEA3

square

#645FDE #DE5F9A #D9DE5F #5FDEA3

split-complementary

#645FDE #DEA35F #9ADE5F

monochromatic

#2621A1 #332CD4 #645FDE #9592E8 #C6C4F3

Accessibility & contrast

On white

4.96

#645FDE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#645FDE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645FDE

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645FDE	#FFFFFF	#000000	##FFFFFF
##645FDE	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075E2

Deuteranopia (green-blind)

#006BDB

Tritanopia (blue-blind)

#277D95

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #645fde;
/* rgb */ color: rgb(100, 95, 222);
/* oklch */ color: oklch(56.0% 0.188 280.2);

Tailwind

colors: {
  custom: {
    50: '#9a8ce9',
    500: '#645fde',
    950: '#000000',
  },
}

SCSS

$custom: #645fde;
$custom-light: #9a8ce9;
$custom-dark: #000000;

JSON

{
  "hex": "#645fde",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 222
  },
  "hsl": {
    "h": 242.362,
    "s": 65.803,
    "l": 62.157
  },
  "oklch": {
    "l": 0.55981,
    "c": 0.18788,
    "h": 280.2
  },
  "luminance": 0.16168
}

Semantic roles & 50–950 ramp

primary

#645FDE

secondary

#E2E4B5

accent

#CE18C7

background

#FAF8FE

surface

#F3F0FD

border

#CDCBD5

text

#0F0C16

muted

#7F7D84

Preview Lab

Preview with #645FDE

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

Preview Lab → · Contrast checker → · Palette generator →