#645E97#645E97

#645E97 is a mid, moderate blue. Relative luminance 0.129; OKLCH L 51.2% C 0.089 H 287.6°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#645E97
RGB	rgb(100, 94, 151)
HSL	hsl(246, 23%, 48%)
HSV	hsv(246, 38%, 59%)
CMYK	cmyk(33.8%, 37.7%, 0%, 40.8%)
CIE-LAB	lab(42.69, 16.30, -30.37)
CIE-LCH	lch(42.69, 34.47, 298.22°)
OKLab	oklab(51.22% 0.027 -0.0849)
OKLCH	oklch(51.22% 0.089 287.6)
XYZ	xyz(14.8427, 12.9487, 30.9895)
Luminance	0.1295 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#645E97 #91975E

analogous

#5E7497 #645E97 #805E97

triadic

#645E97 #97645E #5E9764

tetradic

#645E97 #975E74 #91975E #5E9780

square

#645E97 #975E74 #91975E #5E9780

split-complementary

#645E97 #97805E #74975E

monochromatic

#322F4C #4B4771 #645E97 #8681B1 #ABA7C8

Accessibility & contrast

On white

5.85

#645E97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#645E97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #645E97

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##645E97	#FFFFFF	#000000	##FFFFFF
##645E97	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D6699

Deuteranopia (green-blind)

#4C6396

Tritanopia (blue-blind)

#576973

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #645e97;
/* rgb */ color: rgb(100, 94, 151);
/* oklch */ color: oklch(51.2% 0.089 287.6);

Tailwind

colors: {
  custom: {
    50: '#928bb6',
    500: '#645e97',
    950: '#000000',
  },
}

SCSS

$custom: #645e97;
$custom-light: #928bb6;
$custom-dark: #000000;

JSON

{
  "hex": "#645e97",
  "rgb": {
    "r": 100,
    "g": 94,
    "b": 151
  },
  "hsl": {
    "h": 246.316,
    "s": 23.265,
    "l": 48.039
  },
  "oklch": {
    "l": 0.51223,
    "c": 0.08912,
    "h": 287.6
  },
  "luminance": 0.12949
}

Semantic roles & 50–950 ramp

primary

#645E97

secondary

#B4B79A

accent

#C068B7

background

#F9F8FB

surface

#F1F0F6

border

#CBCBD0

text

#0D0C11

muted

#7E7D80

Preview Lab

Preview with #645E97

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

Preview Lab → · Contrast checker → · Palette generator →