#645F94#645F94

#645F94 is a mid, moderate blue. Relative luminance 0.130; OKLCH L 51.3% C 0.083 H 287.4°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#645F94
RGB	rgb(100, 95, 148)
HSL	hsl(246, 22%, 48%)
HSV	hsv(246, 36%, 58%)
CMYK	cmyk(32.4%, 35.8%, 0%, 42%)
CIE-LAB	lab(42.81, 14.84, -28.39)
CIE-LCH	lch(42.81, 32.03, 297.60°)
OKLab	oklab(51.27% 0.0248 -0.0792)
OKLCH	oklch(51.27% 0.083 287.4)
XYZ	xyz(14.6916, 13.0315, 29.7525)
Luminance	0.1303 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645F94 #8F945F

analogous

#5F7594 #645F94 #7E5F94

triadic

#645F94 #94645F #5F9464

tetradic

#645F94 #945F75 #8F945F #5F947E

square

#645F94 #945F75 #8F945F #5F947E

split-complementary

#645F94 #947E5F #75945F

monochromatic

#322F49 #4B476F #645F94 #8682AF #AAA7C6

Accessibility & contrast

On white

5.82

#645F94 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#645F94 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645F94

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645F94	#FFFFFF	#000000	##FFFFFF
##645F94	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F6696

Deuteranopia (green-blind)

#4F6493

Tritanopia (blue-blind)

#586972

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #645f94;
/* rgb */ color: rgb(100, 95, 148);
/* oklch */ color: oklch(51.3% 0.083 287.4);

Tailwind

colors: {
  custom: {
    50: '#928cb3',
    500: '#645f94',
    950: '#000000',
  },
}

SCSS

$custom: #645f94;
$custom-light: #928cb3;
$custom-dark: #000000;

JSON

{
  "hex": "#645f94",
  "rgb": {
    "r": 100,
    "g": 95,
    "b": 148
  },
  "hsl": {
    "h": 245.66,
    "s": 21.811,
    "l": 47.647
  },
  "oklch": {
    "l": 0.51271,
    "c": 0.08297,
    "h": 287.4
  },
  "luminance": 0.13032
}

Semantic roles & 50–950 ramp

primary

#645F94

secondary

#B2B59A

accent

#BE69B6

background

#F9F8FB

surface

#F1F0F6

border

#CBCBD0

text

#0D0C11

muted

#7E7D80

Preview Lab

Preview with #645F94

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

Preview Lab → · Contrast checker → · Palette generator →