#646997#646997

#646997 is a mid, moderate blue. Relative luminance 0.150; OKLCH L 53.5% C 0.072 H 278.9°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#646997
RGB	rgb(100, 105, 151)
HSL	hsl(234, 20%, 49%)
HSV	hsv(234, 34%, 59%)
CMYK	cmyk(33.8%, 30.5%, 0%, 40.8%)
CIE-LAB	lab(45.70, 9.51, -25.68)
CIE-LCH	lch(45.70, 27.38, 290.33°)
OKLab	oklab(53.54% 0.0112 -0.0714)
OKLCH	oklch(53.54% 0.072 278.9)
XYZ	xyz(15.8915, 15.0463, 31.3391)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646997 #979264

analogous

#648397 #646997 #796497

triadic

#646997 #976469 #699764

tetradic

#646997 #976483 #979264 #649779

square

#646997 #976483 #979264 #649779

split-complementary

#646997 #977964 #839764

monochromatic

#33364D #4C4F72 #646997 #888CB0 #ADB0C9

Accessibility & contrast

On white

5.24

#646997 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#646997 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646997

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646997	#FFFFFF	#000000	##FFFFFF
##646997	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6E99

Deuteranopia (green-blind)

#586A96

Tritanopia (blue-blind)

#567279

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #646997;
/* rgb */ color: rgb(100, 105, 151);
/* oklch */ color: oklch(53.5% 0.072 278.9);

Tailwind

colors: {
  custom: {
    50: '#9193b5',
    500: '#646997',
    950: '#000000',
  },
}

SCSS

$custom: #646997;
$custom-light: #9193b5;
$custom-dark: #000000;

JSON

{
  "hex": "#646997",
  "rgb": {
    "r": 100,
    "g": 105,
    "b": 151
  },
  "hsl": {
    "h": 234.118,
    "s": 20.319,
    "l": 49.216
  },
  "oklch": {
    "l": 0.5354,
    "c": 0.07225,
    "h": 278.9
  },
  "luminance": 0.15047
}

Semantic roles & 50–950 ramp

primary

#646997

secondary

#B7B5A0

accent

#B56BBD

background

#F9F9FB

surface

#F1F1F6

border

#CBCBD0

text

#0D0D11

muted

#7E7E80

Preview Lab

Preview with #646997

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

Preview Lab → · Contrast checker → · Palette generator →