#646A96#646A96

#646A96 is a mid, moderate blue. Relative luminance 0.152; OKLCH L 53.7% C 0.069 H 277.8°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#646A96
RGB	rgb(100, 106, 150)
HSL	hsl(233, 20%, 49%)
HSV	hsv(233, 33%, 59%)
CMYK	cmyk(33.3%, 29.3%, 0%, 41.2%)
CIE-LAB	lab(45.93, 8.63, -24.72)
CIE-LCH	lch(45.93, 26.18, 289.24°)
OKLab	oklab(53.71% 0.0094 -0.0686)
OKLCH	oklch(53.71% 0.069 277.8)
XYZ	xyz(15.9131, 15.2189, 30.9474)
Luminance	0.1522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646A96 #969064

analogous

#648396 #646A96 #776496

triadic

#646A96 #96646A #6A9664

tetradic

#646A96 #966483 #969064 #649677

square

#646A96 #966483 #969064 #649677

split-complementary

#646A96 #967764 #839664

monochromatic

#33364D #4C5071 #646A96 #888CAF #ACB0C8

Accessibility & contrast

On white

5.19

#646A96 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#646A96 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646A96

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646A96	#FFFFFF	#000000	##FFFFFF
##646A96	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D6F98

Deuteranopia (green-blind)

#5A6B95

Tritanopia (blue-blind)

#57727A

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #646a96;
/* rgb */ color: rgb(100, 106, 150);
/* oklch */ color: oklch(53.7% 0.069 277.8);

Tailwind

colors: {
  custom: {
    50: '#9194b5',
    500: '#646a96',
    950: '#000000',
  },
}

SCSS

$custom: #646a96;
$custom-light: #9194b5;
$custom-dark: #000000;

JSON

{
  "hex": "#646a96",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 150
  },
  "hsl": {
    "h": 232.8,
    "s": 20,
    "l": 49.02
  },
  "oklch": {
    "l": 0.53707,
    "c": 0.06928,
    "h": 277.8
  },
  "luminance": 0.15219
}

Semantic roles & 50–950 ramp

primary

#646A96

secondary

#B7B49F

accent

#B36BBD

background

#F9F9FB

surface

#F1F1F6

border

#CBCBD0

text

#0D0D11

muted

#7E7E80

Preview Lab

Preview with #646A96

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

Preview Lab → · Contrast checker → · Palette generator →