#645FA0#645FA0

#645FA0 is a mid, moderate blue. Relative luminance 0.134; OKLCH L 51.9% C 0.101 H 285.8°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#645FA0
RGB	rgb(100, 95, 160)
HSL	hsl(245, 25%, 50%)
HSV	hsv(245, 41%, 63%)
CMYK	cmyk(37.5%, 40.6%, 0%, 37.3%)
CIE-LAB	lab(43.41, 18.23, -34.60)
CIE-LCH	lch(43.41, 39.11, 297.78°)
OKLab	oklab(51.92% 0.0276 -0.0972)
OKLCH	oklch(51.92% 0.101 285.8)
XYZ	xyz(15.6912, 13.4313, 35.0167)
Luminance	0.1343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645FA0 #9BA05F

analogous

#5F7BA0 #645FA0 #845FA0

triadic

#645FA0 #A0645F #5FA064

tetradic

#645FA0 #A05F7B #9BA05F #5FA084

square

#645FA0 #A05F7B #9BA05F #5FA084

split-complementary

#645FA0 #A0845F #7BA05F

monochromatic

#343153 #4C487A #645FA0 #8985B7 #AEACCE

Accessibility & contrast

On white

5.70

#645FA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#645FA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645FA0

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645FA0	#FFFFFF	#000000	##FFFFFF
##645FA0	1.00	5.70	3.69	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A68A3

Deuteranopia (green-blind)

#48659E

Tritanopia (blue-blind)

#546B78

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #645fa0;
/* rgb */ color: rgb(100, 95, 160);
/* oklch */ color: oklch(51.9% 0.101 285.8);

Tailwind

colors: {
  custom: {
    50: '#928cbc',
    500: '#645fa0',
    950: '#000000',
  },
}

SCSS

$custom: #645fa0;
$custom-light: #928cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#645fa0",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 160
  },
  "hsl": {
    "h": 244.615,
    "s": 25.49,
    "l": 50
  },
  "oklch": {
    "l": 0.51921,
    "c": 0.10103,
    "h": 285.8
  },
  "luminance": 0.13432
}

Semantic roles & 50–950 ramp

primary

#645FA0

secondary

#BABC9F

accent

#C266BB

background

#F9F8FB

surface

#F1F0F6

border

#CBCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #645FA0

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

Preview Lab → · Contrast checker → · Palette generator →