#645FEE#645FEE

#645FEE is a mid, highly saturated blue. Relative luminance 0.171; OKLCH L 57.2% C 0.209 H 279.1°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#645FEE
RGB	rgb(100, 95, 238)
HSL	hsl(242, 81%, 65%)
HSV	hsv(242, 60%, 93%)
CMYK	cmyk(58%, 60.1%, 0%, 6.7%)
CIE-LAB	lab(48.34, 42.06, -71.66)
CIE-LCH	lch(48.34, 83.09, 300.41°)
OKLab	oklab(57.19% 0.0329 -0.206)
OKLCH	oklch(57.19% 0.209 279.1)
XYZ	xyz(24.7755, 17.0650, 82.8607)
Luminance	0.1707 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645FEE #E9EE5F

analogous

#5FA1EE #645FEE #AB5FEE

triadic

#645FEE #EE645F #5FEE64

tetradic

#645FEE #EE5FA1 #E9EE5F #5FEEAB

square

#645FEE #EE5FA1 #E9EE5F #5FEEAB

split-complementary

#645FEE #EEAB5F #A1EE5F

monochromatic

#1A14BE #2E28E8 #645FEE #9A96F4 #CFCEFA

Accessibility & contrast

On white

4.76

#645FEE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#645FEE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645FEE

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645FEE	#FFFFFF	#000000	##FFFFFF
##645FEE	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078F3

Deuteranopia (green-blind)

#006DEB

Tritanopia (blue-blind)

#00829E

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #645fee;
/* rgb */ color: rgb(100, 95, 238);
/* oklch */ color: oklch(57.2% 0.209 279.1);

Tailwind

colors: {
  custom: {
    50: '#9c8df5',
    500: '#645fee',
    950: '#000000',
  },
}

SCSS

$custom: #645fee;
$custom-light: #9c8df5;
$custom-dark: #000000;

JSON

{
  "hex": "#645fee",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 238
  },
  "hsl": {
    "h": 242.098,
    "s": 80.791,
    "l": 65.294
  },
  "oklch": {
    "l": 0.57191,
    "c": 0.20857,
    "h": 279.1
  },
  "luminance": 0.17067
}

Semantic roles & 50–950 ramp

primary

#645FEE

secondary

#EBECBC

accent

#DD08D6

background

#FAF8FF

surface

#F4F0FE

border

#CECBD6

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #645FEE

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

Preview Lab → · Contrast checker → · Palette generator →