#665EA7#665EA7

#665EA7 is a mid, moderate blue. Relative luminance 0.136; OKLCH L 52.3% C 0.113 H 286.8°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#665EA7
RGB	rgb(102, 94, 167)
HSL	hsl(247, 29%, 51%)
HSV	hsv(247, 44%, 65%)
CMYK	cmyk(38.9%, 43.7%, 0%, 34.5%)
CIE-LAB	lab(43.68, 21.42, -38.30)
CIE-LCH	lch(43.68, 43.88, 299.22°)
OKLab	oklab(52.29% 0.0327 -0.1079)
OKLCH	oklch(52.29% 0.113 286.8)
XYZ	xyz(16.4553, 13.6197, 38.3136)
Luminance	0.1362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EA7 #9FA75E

analogous

#5E7AA7 #665EA7 #8A5EA7

triadic

#665EA7 #A7665E #5EA766

tetradic

#665EA7 #A75E7A #9FA75E #5EA78A

square

#665EA7 #A75E7A #9FA75E #5EA78A

split-complementary

#665EA7 #A78A5E #7AA75E

monochromatic

#35315A #4D4781 #665EA7 #8C86BD #B1ADD2

Accessibility & contrast

On white

5.64

#665EA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#665EA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EA7

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EA7	#FFFFFF	#000000	##FFFFFF
##665EA7	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4569AA

Deuteranopia (green-blind)

#4465A5

Tritanopia (blue-blind)

#546C7A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #665ea7;
/* rgb */ color: rgb(102, 94, 167);
/* oklch */ color: oklch(52.3% 0.113 286.8);

Tailwind

colors: {
  custom: {
    50: '#948bc1',
    500: '#665ea7',
    950: '#000000',
  },
}

SCSS

$custom: #665ea7;
$custom-light: #948bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#665ea7",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 167
  },
  "hsl": {
    "h": 246.575,
    "s": 29.317,
    "l": 51.176
  },
  "oklch": {
    "l": 0.52294,
    "c": 0.11275,
    "h": 286.8
  },
  "luminance": 0.1362
}

Semantic roles & 50–950 ramp

primary

#665EA7

secondary

#BDC1A0

accent

#C662BB

background

#F9F8FB

surface

#F2F0F7

border

#CCCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665EA7

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

Preview Lab → · Contrast checker → · Palette generator →