#645EA2#645EA2

#645EA2 is a mid, moderate blue. Relative luminance 0.133; OKLCH L 51.8% C 0.106 H 286.1°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#645EA2
RGB	rgb(100, 94, 162)
HSL	hsl(245, 27%, 50%)
HSV	hsv(245, 42%, 64%)
CMYK	cmyk(38.3%, 42%, 0%, 36.5%)
CIE-LAB	lab(43.25, 19.42, -36.04)
CIE-LCH	lch(43.25, 40.94, 298.32°)
OKLab	oklab(51.83% 0.0293 -0.1014)
OKLCH	oklch(51.83% 0.106 286.1)
XYZ	xyz(15.7780, 13.3229, 35.9157)
Luminance	0.1332 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645EA2 #9CA25E

analogous

#5E7AA2 #645EA2 #865EA2

triadic

#645EA2 #A2645E #5EA264

tetradic

#645EA2 #A25E7A #9CA25E #5EA286

square

#645EA2 #A25E7A #9CA25E #5EA286

split-complementary

#645EA2 #A2865E #7AA25E

monochromatic

#343155 #4C477B #645EA2 #8985B8 #AFACCF

Accessibility & contrast

On white

5.73

#645EA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.66

#645EA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645EA2

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645EA2	#FFFFFF	#000000	##FFFFFF
##645EA2	1.00	5.73	3.66	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.66	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4768A5

Deuteranopia (green-blind)

#4664A0

Tritanopia (blue-blind)

#536B78

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #645ea2;
/* rgb */ color: rgb(100, 94, 162);
/* oklch */ color: oklch(51.8% 0.106 286.1);

Tailwind

colors: {
  custom: {
    50: '#938bbe',
    500: '#645ea2',
    950: '#000000',
  },
}

SCSS

$custom: #645ea2;
$custom-light: #938bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#645ea2",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 162
  },
  "hsl": {
    "h": 245.294,
    "s": 26.772,
    "l": 50.196
  },
  "oklch": {
    "l": 0.51833,
    "c": 0.10554,
    "h": 286.1
  },
  "luminance": 0.13323
}

Semantic roles & 50–950 ramp

primary

#645EA2

secondary

#BABD9F

accent

#C365BB

background

#F9F8FB

surface

#F1F0F7

border

#CBCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #645EA2

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

Preview Lab → · Contrast checker → · Palette generator →