#645DA2#645DA2

#645DA2 is a mid, moderate blue. Relative luminance 0.131; OKLCH L 51.6% C 0.107 H 286.7°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#645DA2
RGB	rgb(100, 93, 162)
HSL	hsl(246, 27%, 50%)
HSV	hsv(246, 43%, 64%)
CMYK	cmyk(38.3%, 42.6%, 0%, 36.5%)
CIE-LAB	lab(42.98, 20.05, -36.46)
CIE-LCH	lch(42.98, 41.60, 298.80°)
OKLab	oklab(51.63% 0.0307 -0.1026)
OKLCH	oklch(51.63% 0.107 286.7)
XYZ	xyz(15.6897, 13.1462, 35.8862)
Luminance	0.1315 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645DA2 #9BA25D

analogous

#5D78A2 #645DA2 #875DA2

triadic

#645DA2 #A2645D #5DA264

tetradic

#645DA2 #A25D78 #9BA25D #5DA287

square

#645DA2 #A25D78 #9BA25D #5DA287

split-complementary

#645DA2 #A2875D #78A25D

monochromatic

#343054 #4C477B #645DA2 #8984B8 #AEABCF

Accessibility & contrast

On white

5.79

#645DA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#645DA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645DA2

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645DA2	#FFFFFF	#000000	##FFFFFF
##645DA2	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)

#4667A5

Deuteranopia (green-blind)

#4464A0

Tritanopia (blue-blind)

#536A77

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #645da2;
/* rgb */ color: rgb(100, 93, 162);
/* oklch */ color: oklch(51.6% 0.107 286.7);

Tailwind

colors: {
  custom: {
    50: '#938bbe',
    500: '#645da2',
    950: '#000000',
  },
}

SCSS

$custom: #645da2;
$custom-light: #938bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#645da2",
  "rgb": {
    "r": 100,
    "g": 93,
    "b": 162
  },
  "hsl": {
    "h": 246.087,
    "s": 27.059,
    "l": 50
  },
  "oklch": {
    "l": 0.51633,
    "c": 0.10709,
    "h": 286.7
  },
  "luminance": 0.13147
}

Semantic roles & 50–950 ramp

primary

#645DA2

secondary

#BABD9E

accent

#C364BA

background

#F9F8FB

surface

#F1F0F7

border

#CBCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #645DA2

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

Preview Lab → · Contrast checker → · Palette generator →