#665BA2#665BA2

#665BA2 is a mid, moderate blue. Relative luminance 0.129; OKLCH L 51.4% C 0.110 H 289.0°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#665BA2
RGB	rgb(102, 91, 162)
HSL	hsl(249, 28%, 50%)
HSV	hsv(249, 44%, 64%)
CMYK	cmyk(37%, 43.8%, 0%, 36.5%)
CIE-LAB	lab(42.64, 21.84, -36.99)
CIE-LCH	lch(42.64, 42.96, 300.55°)
OKLab	oklab(51.41% 0.0359 -0.1041)
OKLCH	oklch(51.41% 0.11 289)
XYZ	xyz(15.7404, 12.9152, 35.8390)
Luminance	0.1292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665BA2 #97A25B

analogous

#5B74A2 #665BA2 #8A5BA2

triadic

#665BA2 #A2665B #5BA266

tetradic

#665BA2 #A25B74 #97A25B #5BA28A

square

#665BA2 #A25B74 #97A25B #5BA28A

split-complementary

#665BA2 #A28A5B #74A25B

monochromatic

#352F54 #4D457B #665BA2 #8A82B9 #AFA9CF

Accessibility & contrast

On white

5.86

#665BA2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#665BA2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BA2

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665BA2	#FFFFFF	#000000	##FFFFFF
##665BA2	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4366A5

Deuteranopia (green-blind)

#4363A0

Tritanopia (blue-blind)

#576976

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #665ba2;
/* rgb */ color: rgb(102, 91, 162);
/* oklch */ color: oklch(51.4% 0.110 289.0);

Tailwind

colors: {
  custom: {
    50: '#9489be',
    500: '#665ba2',
    950: '#000000',
  },
}

SCSS

$custom: #665ba2;
$custom-light: #9489be;
$custom-dark: #000000;

JSON

{
  "hex": "#665ba2",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 162
  },
  "hsl": {
    "h": 249.296,
    "s": 28.063,
    "l": 49.608
  },
  "oklch": {
    "l": 0.51412,
    "c": 0.11015,
    "h": 289
  },
  "luminance": 0.12916
}

Semantic roles & 50–950 ramp

primary

#665BA2

secondary

#B8BD9C

accent

#C463B5

background

#F9F8FB

surface

#F2F0F7

border

#CCCBD0

text

#0D0B12

muted

#7E7C81

Preview Lab

Preview with #665BA2

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

Preview Lab → · Contrast checker → · Palette generator →