#646283#646283

#646283 is a mid, muted blue. Relative luminance 0.131; OKLCH L 51.1% C 0.052 H 287.2°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#646283
RGB	rgb(100, 98, 131)
HSL	hsl(244, 14%, 45%)
HSV	hsv(244, 25%, 51%)
CMYK	cmyk(23.7%, 25.2%, 0%, 48.6%)
CIE-LAB	lab(42.89, 8.45, -18.05)
CIE-LCH	lch(42.89, 19.93, 295.09°)
OKLab	oklab(51.08% 0.0153 -0.0496)
OKLCH	oklch(51.08% 0.052 287.2)
XYZ	xyz(13.7190, 13.0832, 23.2708)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646283 #818362

analogous

#627183 #646283 #746283

triadic

#646283 #836462 #628364

tetradic

#646283 #836271 #818362 #628374

square

#646283 #836271 #818362 #628374

split-complementary

#646283 #837462 #718362

monochromatic

#2F2E3D #494860 #646283 #8381A1 #A6A4BB

Accessibility & contrast

On white

5.81

#646283 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#646283 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646283

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646283	#FFFFFF	#000000	##FFFFFF
##646283	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A6684

Deuteranopia (green-blind)

#596482

Tritanopia (blue-blind)

#5D686D

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #646283;
/* rgb */ color: rgb(100, 98, 131);
/* oklch */ color: oklch(51.1% 0.052 287.2);

Tailwind

colors: {
  custom: {
    50: '#908ea7',
    500: '#646283',
    950: '#000000',
  },
}

SCSS

$custom: #646283;
$custom-light: #908ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#646283",
  "rgb": {
    "r": 100,
    "g": 98,
    "b": 131
  },
  "hsl": {
    "h": 243.636,
    "s": 14.41,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51084,
    "c": 0.05192,
    "h": 287.2
  },
  "luminance": 0.13083
}

Semantic roles & 50–950 ramp

primary

#646283

secondary

#A9AA97

accent

#B771B3

background

#F8F8FA

surface

#F0F0F4

border

#CBCBCE

text

#0C0C0F

muted

#7D7D7F

Preview Lab

Preview with #646283

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

Preview Lab → · Contrast checker → · Palette generator →