#645F95#645F95

#645F95 is a mid, moderate blue. Relative luminance 0.131; OKLCH L 51.3% C 0.085 H 287.3°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#645F95
RGB	rgb(100, 95, 149)
HSL	hsl(246, 22%, 48%)
HSV	hsv(246, 36%, 58%)
CMYK	cmyk(32.9%, 36.2%, 0%, 41.6%)
CIE-LAB	lab(42.86, 15.12, -28.91)
CIE-LCH	lch(42.86, 32.62, 297.61°)
OKLab	oklab(51.32% 0.0251 -0.0807)
OKLCH	oklch(51.32% 0.085 287.3)
XYZ	xyz(14.7711, 13.0633, 30.1712)
Luminance	0.1306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645F95 #90955F

analogous

#5F7595 #645F95 #7F5F95

triadic

#645F95 #95645F #5F9564

tetradic

#645F95 #955F75 #90955F #5F957F

square

#645F95 #955F75 #90955F #5F957F

split-complementary

#645F95 #957F5F #75955F

monochromatic

#322F4A #4B4770 #645F95 #8682AF #AAA7C7

Accessibility & contrast

On white

5.81

#645F95 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#645F95 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645F95

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645F95	#FFFFFF	#000000	##FFFFFF
##645F95	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F6797

Deuteranopia (green-blind)

#4E6494

Tritanopia (blue-blind)

#586973

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #645f95;
/* rgb */ color: rgb(100, 95, 149);
/* oklch */ color: oklch(51.3% 0.085 287.3);

Tailwind

colors: {
  custom: {
    50: '#928cb4',
    500: '#645f95',
    950: '#000000',
  },
}

SCSS

$custom: #645f95;
$custom-light: #928cb4;
$custom-dark: #000000;

JSON

{
  "hex": "#645f95",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 149
  },
  "hsl": {
    "h": 245.556,
    "s": 22.131,
    "l": 47.843
  },
  "oklch": {
    "l": 0.51323,
    "c": 0.0845,
    "h": 287.3
  },
  "luminance": 0.13064
}

Semantic roles & 50–950 ramp

primary

#645F95

secondary

#B3B59A

accent

#BF69B7

background

#F9F8FB

surface

#F1F0F6

border

#CBCBD0

text

#0D0C11

muted

#7E7D80

Preview Lab

Preview with #645F95

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

Preview Lab → · Contrast checker → · Palette generator →