#645FEB#645FEB

#645FEB is a mid, highly saturated blue. Relative luminance 0.169; OKLCH L 57.0% C 0.205 H 279.3°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#645FEB
RGB	rgb(100, 95, 235)
HSL	hsl(242, 78%, 65%)
HSV	hsv(242, 60%, 92%)
CMYK	cmyk(57.4%, 59.6%, 0%, 7.8%)
CIE-LAB	lab(48.12, 41.12, -70.34)
CIE-LCH	lch(48.12, 81.48, 300.31°)
OKLab	oklab(56.96% 0.033 -0.2021)
OKLCH	oklch(56.96% 0.205 279.3)
XYZ	xyz(24.3384, 16.8902, 80.5588)
Luminance	0.1689 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645FEB #E6EB5F

analogous

#5FA0EB #645FEB #AA5FEB

triadic

#645FEB #EB645F #5FEB64

tetradic

#645FEB #EB5FA0 #E6EB5F #5FEBAA

square

#645FEB #EB5FA0 #E6EB5F #5FEBAA

split-complementary

#645FEB #EBAA5F #A0EB5F

monochromatic

#1D17B9 #2F29E4 #645FEB #9995F2 #CDCCF9

Accessibility & contrast

On white

4.80

#645FEB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#645FEB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645FEB

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645FEB	#FFFFFF	#000000	##FFFFFF
##645FEB	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078F0

Deuteranopia (green-blind)

#006DE8

Tritanopia (blue-blind)

#09819C

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #645feb;
/* rgb */ color: rgb(100, 95, 235);
/* oklch */ color: oklch(57.0% 0.205 279.3);

Tailwind

colors: {
  custom: {
    50: '#9c8df2',
    500: '#645feb',
    950: '#000000',
  },
}

SCSS

$custom: #645feb;
$custom-light: #9c8df2;
$custom-dark: #000000;

JSON

{
  "hex": "#645feb",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 235
  },
  "hsl": {
    "h": 242.143,
    "s": 77.778,
    "l": 64.706
  },
  "oklch": {
    "l": 0.5696,
    "c": 0.20474,
    "h": 279.3
  },
  "luminance": 0.16892
}

Semantic roles & 50–950 ramp

primary

#645FEB

secondary

#E9EBBB

accent

#DA0BD3

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #645FEB

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

Preview Lab → · Contrast checker → · Palette generator →