#646AA2#646AA2

#646AA2 is a mid, moderate blue. Relative luminance 0.156; OKLCH L 54.3% C 0.088 H 278.4°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#646AA2
RGB	rgb(100, 106, 162)
HSL	hsl(234, 25%, 51%)
HSV	hsv(234, 38%, 64%)
CMYK	cmyk(38.3%, 34.6%, 0%, 36.5%)
CIE-LAB	lab(46.48, 12.02, -30.96)
CIE-LCH	lch(46.48, 33.21, 291.21°)
OKLab	oklab(54.31% 0.0127 -0.0866)
OKLCH	oklch(54.31% 0.088 278.4)
XYZ	xyz(16.9293, 15.6254, 36.2994)
Luminance	0.1563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646AA2 #A29C64

analogous

#6489A2 #646AA2 #7D64A2

triadic

#646AA2 #A2646A #6AA264

tetradic

#646AA2 #A26489 #A29C64 #64A27D

square

#646AA2 #A26489 #A29C64 #64A27D

split-complementary

#646AA2 #A27D64 #89A264

monochromatic

#343857 #4B507E #646AA2 #8A8FB9 #B1B4D0

Accessibility & contrast

On white

5.09

#646AA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#646AA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646AA2

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646AA2	#FFFFFF	#000000	##FFFFFF
##646AA2	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5871A4

Deuteranopia (green-blind)

#546CA1

Tritanopia (blue-blind)

#52757E

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #646aa2;
/* rgb */ color: rgb(100, 106, 162);
/* oklch */ color: oklch(54.3% 0.088 278.4);

Tailwind

colors: {
  custom: {
    50: '#9294be',
    500: '#646aa2',
    950: '#000000',
  },
}

SCSS

$custom: #646aa2;
$custom-light: #9294be;
$custom-dark: #000000;

JSON

{
  "hex": "#646aa2",
  "rgb": {
    "r": 100,
    "g": 106,
    "b": 162
  },
  "hsl": {
    "h": 234.194,
    "s": 25,
    "l": 51.373
  },
  "oklch": {
    "l": 0.54309,
    "c": 0.08754,
    "h": 278.4
  },
  "luminance": 0.15626
}

Semantic roles & 50–950 ramp

primary

#646AA2

secondary

#BFBCA3

accent

#B966C1

background

#F9F9FB

surface

#F1F1F6

border

#CBCBD0

text

#0D0D12

muted

#7E7E81

Preview Lab

Preview with #646AA2

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

Preview Lab → · Contrast checker → · Palette generator →