#666595#666595

#666595 is a mid, moderate blue. Relative luminance 0.143; OKLCH L 52.8% C 0.075 H 284.5°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#666595
RGB	rgb(102, 101, 149)
HSL	hsl(241, 19%, 49%)
HSV	hsv(241, 32%, 58%)
CMYK	cmyk(31.5%, 32.2%, 0%, 41.6%)
CIE-LAB	lab(44.66, 12.03, -26.08)
CIE-LCH	lch(44.66, 28.72, 294.75°)
OKLab	oklab(52.75% 0.0187 -0.0725)
OKLCH	oklch(52.75% 0.075 284.5)
XYZ	xyz(15.5565, 14.3017, 30.3688)
Luminance	0.1430 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666595 #949565

analogous

#657C95 #666595 #7E6595

triadic

#666595 #956665 #659566

tetradic

#666595 #95657C #949565 #65957E

square

#666595 #95657C #949565 #65957E

split-complementary

#666595 #957E65 #7C9565

monochromatic

#34344C #4D4C71 #666595 #8989AF #AEADC7

Accessibility & contrast

On white

5.44

#666595 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#666595 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666595

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666595	#FFFFFF	#000000	##FFFFFF
##666595	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#576B97

Deuteranopia (green-blind)

#566894

Tritanopia (blue-blind)

#5A6E76

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #666595;
/* rgb */ color: rgb(102, 101, 149);
/* oklch */ color: oklch(52.8% 0.075 284.5);

Tailwind

colors: {
  custom: {
    50: '#9390b4',
    500: '#666595',
    950: '#000000',
  },
}

SCSS

$custom: #666595;
$custom-light: #9390b4;
$custom-dark: #000000;

JSON

{
  "hex": "#666595",
  "rgb": {
    "r": 102,
    "g": 101,
    "b": 149
  },
  "hsl": {
    "h": 241.25,
    "s": 19.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.52751,
    "c": 0.07489,
    "h": 284.5
  },
  "luminance": 0.14302
}

Semantic roles & 50–950 ramp

primary

#666595

secondary

#B6B6A0

accent

#BC6CBA

background

#F9F8FB

surface

#F1F0F6

border

#CBCBD0

text

#0D0C11

muted

#7E7D80

Preview Lab

Preview with #666595

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

Preview Lab → · Contrast checker → · Palette generator →