#645EBD#645EBD

#645EBD is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.5% C 0.144 H 283.2°. Best body text is #FFFFFF at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#645EBD
RGB	rgb(100, 94, 189)
HSL	hsl(244, 42%, 55%)
HSV	hsv(244, 50%, 74%)
CMYK	cmyk(47.1%, 50.3%, 0%, 25.9%)
CIE-LAB	lab(44.78, 27.46, -49.44)
CIE-LCH	lch(44.78, 56.55, 299.05°)
OKLab	oklab(53.5% 0.033 -0.1406)
OKLCH	oklch(53.5% 0.144 283.2)
XYZ	xyz(18.4408, 14.3880, 49.9397)
Luminance	0.1439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645EBD #B7BD5E

analogous

#5E88BD #645EBD #935EBD

triadic

#645EBD #BD645E #5EBD64

tetradic

#645EBD #BD5E88 #B7BD5E #5EBD93

square

#645EBD #BD5E88 #B7BD5E #5EBD93

split-complementary

#645EBD #BD935E #88BD5E

monochromatic

#332F72 #46409D #645EBD #8E89CF #B8B5E1

Accessibility & contrast

On white

5.42

#645EBD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#645EBD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645EBD

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645EBD	#FFFFFF	#000000	##FFFFFF
##645EBD	1.00	5.42	3.88	5.42
#FFFFFF	5.42	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336DC0

Deuteranopia (green-blind)

#2E67BB

Tritanopia (blue-blind)

#467284

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #645ebd;
/* rgb */ color: rgb(100, 94, 189);
/* oklch */ color: oklch(53.5% 0.144 283.2);

Tailwind

colors: {
  custom: {
    50: '#968bd1',
    500: '#645ebd',
    950: '#000000',
  },
}

SCSS

$custom: #645ebd;
$custom-light: #968bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#645ebd",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 189
  },
  "hsl": {
    "h": 243.789,
    "s": 41.85,
    "l": 55.49
  },
  "oklch": {
    "l": 0.53495,
    "c": 0.14444,
    "h": 283.2
  },
  "luminance": 0.14389
}

Semantic roles & 50–950 ramp

primary

#645EBD

secondary

#CDCFA8

accent

#D256CA

background

#F9F8FC

surface

#F2F0F9

border

#CCCBD2

text

#0E0C14

muted

#7E7D82

Preview Lab

Preview with #645EBD

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

Preview Lab → · Contrast checker → · Palette generator →