#646B96#646B96

#646B96 is a mid, moderate blue. Relative luminance 0.154; OKLCH L 53.9% C 0.068 H 276.7°. Best body text is #FFFFFF at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#646B96
RGB	rgb(100, 107, 150)
HSL	hsl(232, 20%, 49%)
HSV	hsv(232, 33%, 59%)
CMYK	cmyk(33.3%, 28.7%, 0%, 41.2%)
CIE-LAB	lab(46.21, 8.02, -24.28)
CIE-LCH	lch(46.21, 25.57, 288.27°)
OKLab	oklab(53.92% 0.008 -0.0674)
OKLCH	oklch(53.92% 0.068 276.7)
XYZ	xyz(16.0167, 15.4262, 30.9819)
Luminance	0.1543 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646B96 #968F64

analogous

#648496 #646B96 #766496

triadic

#646B96 #96646B #6B9664

tetradic

#646B96 #966484 #968F64 #649676

square

#646B96 #966484 #968F64 #649676

split-complementary

#646B96 #967664 #849664

monochromatic

#33374D #4C5171 #646B96 #888DAF #ACB0C8

Accessibility & contrast

On white

5.14

#646B96 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#646B96 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646B96

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646B96	#FFFFFF	#000000	##FFFFFF
##646B96	1.00	5.14	4.09	5.14
#FFFFFF	5.14	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E6F98

Deuteranopia (green-blind)

#5B6C95

Tritanopia (blue-blind)

#57737A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #646b96;
/* rgb */ color: rgb(100, 107, 150);
/* oklch */ color: oklch(53.9% 0.068 276.7);

Tailwind

colors: {
  custom: {
    50: '#9195b5',
    500: '#646b96',
    950: '#000000',
  },
}

SCSS

$custom: #646b96;
$custom-light: #9195b5;
$custom-dark: #000000;

JSON

{
  "hex": "#646b96",
  "rgb": {
    "r": 100,
    "g": 107,
    "b": 150
  },
  "hsl": {
    "h": 231.6,
    "s": 20,
    "l": 49.02
  },
  "oklch": {
    "l": 0.53924,
    "c": 0.06787,
    "h": 276.7
  },
  "luminance": 0.15427
}

Semantic roles & 50–950 ramp

primary

#646B96

secondary

#B7B39F

accent

#B16BBD

background

#F9F9FB

surface

#F1F1F6

border

#CBCBD0

text

#0D0D11

muted

#7E7E80

Preview Lab

Preview with #646B96

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

Preview Lab → · Contrast checker → · Palette generator →