#646497#646497

#646497 is a mid, moderate blue. Relative luminance 0.141; OKLCH L 52.5% C 0.080 H 283.3°. Best body text is #FFFFFF at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#646497
RGB	rgb(100, 100, 151)
HSL	hsl(240, 20%, 49%)
HSV	hsv(240, 34%, 59%)
CMYK	cmyk(33.8%, 33.8%, 0%, 40.8%)
CIE-LAB	lab(44.32, 12.58, -27.83)
CIE-LCH	lch(44.32, 30.54, 294.34°)
OKLab	oklab(52.47% 0.0184 -0.0776)
OKLCH	oklch(52.47% 0.08 283.3)
XYZ	xyz(15.3971, 14.0576, 31.1743)
Luminance	0.1406 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646497 #979764

analogous

#647E97 #646497 #7E6497

triadic

#646497 #976464 #649764

tetradic

#646497 #97647E #979764 #64977E

square

#646497 #97647E #979764 #64977E

split-complementary

#646497 #977E64 #7E9764

monochromatic

#33334D #4C4C72 #646497 #8888B0 #ADADC9

Accessibility & contrast

On white

5.51

#646497 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#646497 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646497

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646497	#FFFFFF	#000000	##FFFFFF
##646497	1.00	5.51	3.81	5.51
#FFFFFF	5.51	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#556A99

Deuteranopia (green-blind)

#536796

Tritanopia (blue-blind)

#576D76

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646497;
/* rgb */ color: rgb(100, 100, 151);
/* oklch */ color: oklch(52.5% 0.080 283.3);

Tailwind

colors: {
  custom: {
    50: '#9290b6',
    500: '#646497',
    950: '#000000',
  },
}

SCSS

$custom: #646497;
$custom-light: #9290b6;
$custom-dark: #000000;

JSON

{
  "hex": "#646497",
  "rgb": {
    "r": 100,
    "g": 100,
    "b": 151
  },
  "hsl": {
    "h": 240,
    "s": 20.319,
    "l": 49.216
  },
  "oklch": {
    "l": 0.52473,
    "c": 0.07971,
    "h": 283.3
  },
  "luminance": 0.14058
}

Semantic roles & 50–950 ramp

primary

#646497

secondary

#B7B7A0

accent

#BD6BBD

background

#F9F8FB

surface

#F1F0F6

border

#CBCBD0

text

#0D0C11

muted

#7E7D80

Preview Lab

Preview with #646497

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

Preview Lab → · Contrast checker → · Palette generator →