#645E9D#645E9D

#645E9D is a mid, moderate blue. Relative luminance 0.131; OKLCH L 51.6% C 0.098 H 286.8°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#645E9D
RGB	rgb(100, 94, 157)
HSL	hsl(246, 25%, 49%)
HSV	hsv(246, 40%, 62%)
CMYK	cmyk(36.3%, 40.1%, 0%, 38.4%)
CIE-LAB	lab(42.99, 17.99, -33.48)
CIE-LCH	lch(42.99, 38.01, 298.25°)
OKLab	oklab(51.55% 0.0283 -0.0939)
OKLCH	oklch(51.55% 0.098 286.8)
XYZ	xyz(15.3424, 13.1486, 33.6213)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645E9D #979D5E

analogous

#5E789D #645E9D #845E9D

triadic

#645E9D #9D645E #5E9D64

tetradic

#645E9D #9D5E78 #979D5E #5E9D84

square

#645E9D #9D5E78 #979D5E #5E9D84

split-complementary

#645E9D #9D845E #789D5E

monochromatic

#333050 #4C4777 #645E9D #8883B5 #ADAACC

Accessibility & contrast

On white

5.79

#645E9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#645E9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645E9D

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645E9D	#FFFFFF	#000000	##FFFFFF
##645E9D	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A679F

Deuteranopia (green-blind)

#49649B

Tritanopia (blue-blind)

#556A76

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #645e9d;
/* rgb */ color: rgb(100, 94, 157);
/* oklch */ color: oklch(51.6% 0.098 286.8);

Tailwind

colors: {
  custom: {
    50: '#928bba',
    500: '#645e9d',
    950: '#000000',
  },
}

SCSS

$custom: #645e9d;
$custom-light: #928bba;
$custom-dark: #000000;

JSON

{
  "hex": "#645e9d",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 157
  },
  "hsl": {
    "h": 245.714,
    "s": 25.1,
    "l": 49.216
  },
  "oklch": {
    "l": 0.51551,
    "c": 0.09812,
    "h": 286.8
  },
  "luminance": 0.13149
}

Semantic roles & 50–950 ramp

primary

#645E9D

secondary

#B7BA9D

accent

#C266B9

background

#F9F8FB

surface

#F1F0F6

border

#CBCBD0

text

#0D0C11

muted

#7E7D80

Preview Lab

Preview with #645E9D

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

Preview Lab → · Contrast checker → · Palette generator →