#646EAD#646EAD

#646EAD is a mid, moderate blue. Relative luminance 0.169; OKLCH L 55.7% C 0.098 H 275.9°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#646EAD
RGB	rgb(100, 110, 173)
HSL	hsl(232, 31%, 54%)
HSV	hsv(232, 42%, 68%)
CMYK	cmyk(42.2%, 36.4%, 0%, 32.2%)
CIE-LAB	lab(48.11, 12.78, -34.85)
CIE-LCH	lch(48.11, 37.12, 290.14°)
OKLab	oklab(55.74% 0.0101 -0.0979)
OKLCH	oklch(55.74% 0.098 275.9)
XYZ	xyz(18.3720, 16.8775, 41.8167)
Luminance	0.1688 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646EAD #ADA364

analogous

#6492AD #646EAD #7E64AD

triadic

#646EAD #AD646E #6EAD64

tetradic

#646EAD #AD6492 #ADA364 #64AD7E

square

#646EAD #AD6492 #ADA364 #64AD7E

split-complementary

#646EAD #AD7E64 #92AD64

monochromatic

#343A62 #49528B #646EAD #8C93C2 #B4B9D7

Accessibility & contrast

On white

4.80

#646EAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#646EAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646EAD

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646EAD	#FFFFFF	#000000	##FFFFFF
##646EAD	1.00	4.80	4.38	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5875B0

Deuteranopia (green-blind)

#536FAC

Tritanopia (blue-blind)

#4D7B85

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #646ead;
/* rgb */ color: rgb(100, 110, 173);
/* oklch */ color: oklch(55.7% 0.098 275.9);

Tailwind

colors: {
  custom: {
    50: '#9397c5',
    500: '#646ead',
    950: '#000000',
  },
}

SCSS

$custom: #646ead;
$custom-light: #9397c5;
$custom-dark: #000000;

JSON

{
  "hex": "#646ead",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 173
  },
  "hsl": {
    "h": 231.781,
    "s": 30.802,
    "l": 53.529
  },
  "oklch": {
    "l": 0.55736,
    "c": 0.09841,
    "h": 275.9
  },
  "luminance": 0.16878
}

Semantic roles & 50–950 ramp

primary

#646EAD

secondary

#C6C2A7

accent

#B961C7

background

#F9F9FC

surface

#F2F2F8

border

#CCCCD1

text

#0D0D13

muted

#7E7E82

Preview Lab

Preview with #646EAD

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

Preview Lab → · Contrast checker → · Palette generator →