#645CA2#645CA2

#645CA2 is a mid, moderate blue. Relative luminance 0.130; OKLCH L 51.4% C 0.109 H 287.2°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#645CA2
RGB	rgb(100, 92, 162)
HSL	hsl(247, 28%, 50%)
HSV	hsv(247, 43%, 64%)
CMYK	cmyk(38.3%, 43.2%, 0%, 36.5%)
CIE-LAB	lab(42.72, 20.67, -36.87)
CIE-LCH	lch(42.72, 42.27, 299.27°)
OKLab	oklab(51.43% 0.0321 -0.1038)
OKLCH	oklch(51.43% 0.109 287.2)
XYZ	xyz(15.6025, 12.9718, 35.8571)
Luminance	0.1297 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645CA2 #9AA25C

analogous

#5C77A2 #645CA2 #875CA2

triadic

#645CA2 #A2645C #5CA264

tetradic

#645CA2 #A25C77 #9AA25C #5CA287

square

#645CA2 #A25C77 #9AA25C #5CA287

split-complementary

#645CA2 #A2875C #77A25C

monochromatic

#343054 #4C467B #645CA2 #8983B8 #AEAACF

Accessibility & contrast

On white

5.84

#645CA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#645CA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645CA2

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645CA2	#FFFFFF	#000000	##FFFFFF
##645CA2	1.00	5.84	3.59	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4467A5

Deuteranopia (green-blind)

#4363A0

Tritanopia (blue-blind)

#536A77

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #645ca2;
/* rgb */ color: rgb(100, 92, 162);
/* oklch */ color: oklch(51.4% 0.109 287.2);

Tailwind

colors: {
  custom: {
    50: '#938abe',
    500: '#645ca2',
    950: '#000000',
  },
}

SCSS

$custom: #645ca2;
$custom-light: #938abe;
$custom-dark: #000000;

JSON

{
  "hex": "#645ca2",
  "rgb": {
    "r": 100,
    "g": 92,
    "b": 162
  },
  "hsl": {
    "h": 246.857,
    "s": 27.559,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51434,
    "c": 0.10865,
    "h": 287.2
  },
  "luminance": 0.12972
}

Semantic roles & 50–950 ramp

primary

#645CA2

secondary

#B9BD9D

accent

#C464B9

background

#F9F8FB

surface

#F1F0F7

border

#CBCBD0

text

#0D0B12

muted

#7E7C81

Preview Lab

Preview with #645CA2

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

Preview Lab → · Contrast checker → · Palette generator →