#645FEA#645FEA

#645FEA is a mid, highly saturated blue. Relative luminance 0.168; OKLCH L 56.9% C 0.203 H 279.3°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#645FEA
RGB	rgb(100, 95, 234)
HSL	hsl(242, 77%, 65%)
HSV	hsv(242, 59%, 92%)
CMYK	cmyk(57.3%, 59.4%, 0%, 8.2%)
CIE-LAB	lab(48.05, 40.81, -69.89)
CIE-LCH	lch(48.05, 80.93, 300.28°)
OKLab	oklab(56.88% 0.033 -0.2008)
OKLCH	oklch(56.88% 0.203 279.3)
XYZ	xyz(24.1943, 16.8326, 79.8000)
Luminance	0.1683 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645FEA #E5EA5F

analogous

#5FA0EA #645FEA #A95FEA

triadic

#645FEA #EA645F #5FEA64

tetradic

#645FEA #EA5FA0 #E5EA5F #5FEAA9

square

#645FEA #EA5FA0 #E5EA5F #5FEAA9

split-complementary

#645FEA #EAA95F #A0EA5F

monochromatic

#1E18B7 #3029E3 #645FEA #9895F1 #CDCBF8

Accessibility & contrast

On white

4.81

#645FEA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#645FEA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645FEA

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645FEA	#FFFFFF	#000000	##FFFFFF
##645FEA	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078EF

Deuteranopia (green-blind)

#006DE7

Tritanopia (blue-blind)

#0D819B

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #645fea;
/* rgb */ color: rgb(100, 95, 234);
/* oklch */ color: oklch(56.9% 0.203 279.3);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#645fea",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 234
  },
  "hsl": {
    "h": 242.158,
    "s": 76.796,
    "l": 64.51
  },
  "oklch": {
    "l": 0.56883,
    "c": 0.20346,
    "h": 279.3
  },
  "luminance": 0.16834
}

Semantic roles & 50–950 ramp

primary

#645FEA

secondary

#E9EABA

accent

#D90CD2

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #645FEA

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

Preview Lab → · Contrast checker → · Palette generator →