#646BA2#646BA2

#646BA2 is a mid, moderate blue. Relative luminance 0.158; OKLCH L 54.5% C 0.086 H 277.6°. Best body text is #FFFFFF at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#646BA2
RGB	rgb(100, 107, 162)
HSL	hsl(233, 25%, 51%)
HSV	hsv(233, 38%, 64%)
CMYK	cmyk(38.3%, 34%, 0%, 36.5%)
CIE-LAB	lab(46.75, 11.40, -30.53)
CIE-LCH	lch(46.75, 32.59, 290.48°)
OKLab	oklab(54.52% 0.0114 -0.0854)
OKLCH	oklch(54.52% 0.086 277.6)
XYZ	xyz(17.0329, 15.8327, 36.3340)
Luminance	0.1583 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646BA2 #A29B64

analogous

#648AA2 #646BA2 #7C64A2

triadic

#646BA2 #A2646B #6BA264

tetradic

#646BA2 #A2648A #A29B64 #64A27C

square

#646BA2 #A2648A #A29B64 #64A27C

split-complementary

#646BA2 #A27C64 #8AA264

monochromatic

#343857 #4B517E #646BA2 #8A90B9 #B1B4D0

Accessibility & contrast

On white

5.04

#646BA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.17

#646BA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646BA2

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646BA2	#FFFFFF	#000000	##FFFFFF
##646BA2	1.00	5.04	4.17	5.04
#FFFFFF	5.04	1.00	21.00	1.00
#000000	4.17	21.00	1.00	21.00
##FFFFFF	5.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5971A4

Deuteranopia (green-blind)

#556DA1

Tritanopia (blue-blind)

#52767F

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #646ba2;
/* rgb */ color: rgb(100, 107, 162);
/* oklch */ color: oklch(54.5% 0.086 277.6);

Tailwind

colors: {
  custom: {
    50: '#9295be',
    500: '#646ba2',
    950: '#000000',
  },
}

SCSS

$custom: #646ba2;
$custom-light: #9295be;
$custom-dark: #000000;

JSON

{
  "hex": "#646ba2",
  "rgb": {
    "r": 100,
    "g": 107,
    "b": 162
  },
  "hsl": {
    "h": 233.226,
    "s": 25,
    "l": 51.373
  },
  "oklch": {
    "l": 0.54521,
    "c": 0.08611,
    "h": 277.6
  },
  "luminance": 0.15833
}

Semantic roles & 50–950 ramp

primary

#646BA2

secondary

#BFBBA3

accent

#B766C1

background

#F9F9FB

surface

#F1F1F6

border

#CBCBD0

text

#0D0D12

muted

#7E7E81

Preview Lab

Preview with #646BA2

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

Preview Lab → · Contrast checker → · Palette generator →