#646E98#646E98

#646E98 is a mid, moderate blue. Relative luminance 0.161; OKLCH L 54.7% C 0.067 H 273.7°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#646E98
RGB	rgb(100, 110, 152)
HSL	hsl(228, 21%, 49%)
HSV	hsv(228, 34%, 60%)
CMYK	cmyk(34.2%, 27.6%, 0%, 40.4%)
CIE-LAB	lab(47.14, 6.75, -24.03)
CIE-LCH	lch(47.14, 24.96, 285.68°)
OKLab	oklab(54.67% 0.0043 -0.0667)
OKLCH	oklch(54.67% 0.067 273.7)
XYZ	xyz(16.4973, 16.1276, 31.9434)
Luminance	0.1613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E98 #988E64

analogous

#648898 #646E98 #746498

triadic

#646E98 #98646E #6E9864

tetradic

#646E98 #986488 #988E64 #649874

square

#646E98 #986488 #988E64 #649874

split-complementary

#646E98 #987464 #889864

monochromatic

#33394E #4C5373 #646E98 #8890B1 #ADB3C9

Accessibility & contrast

On white

4.97

#646E98 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#646E98 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E98

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E98	#FFFFFF	#000000	##FFFFFF
##646E98	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#61729A

Deuteranopia (green-blind)

#5D6E97

Tritanopia (blue-blind)

#55767D

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #646e98;
/* rgb */ color: rgb(100, 110, 152);
/* oklch */ color: oklch(54.7% 0.067 273.7);

Tailwind

colors: {
  custom: {
    50: '#9197b6',
    500: '#646e98',
    950: '#000000',
  },
}

SCSS

$custom: #646e98;
$custom-light: #9197b6;
$custom-dark: #000000;

JSON

{
  "hex": "#646e98",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 152
  },
  "hsl": {
    "h": 228.462,
    "s": 20.635,
    "l": 49.412
  },
  "oklch": {
    "l": 0.54674,
    "c": 0.06681,
    "h": 273.7
  },
  "luminance": 0.16128
}

Semantic roles & 50–950 ramp

primary

#646E98

secondary

#B8B3A0

accent

#AD6BBD

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0D11

muted

#7E7E80

Preview Lab

Preview with #646E98

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

Preview Lab → · Contrast checker → · Palette generator →