#665DA5#665DA5

#665DA5 is a mid, moderate blue. Relative luminance 0.134; OKLCH L 52.0% C 0.111 H 287.6°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#665DA5
RGB	rgb(102, 93, 165)
HSL	hsl(248, 29%, 51%)
HSV	hsv(248, 44%, 65%)
CMYK	cmyk(38.2%, 43.6%, 0%, 35.3%)
CIE-LAB	lab(43.31, 21.46, -37.70)
CIE-LCH	lch(43.31, 43.38, 299.65°)
OKLab	oklab(51.98% 0.0337 -0.1062)
OKLCH	oklch(51.98% 0.111 287.6)
XYZ	xyz(16.1835, 13.3696, 37.3179)
Luminance	0.1337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DA5 #9CA55D

analogous

#5D78A5 #665DA5 #8A5DA5

triadic

#665DA5 #A5665D #5DA566

tetradic

#665DA5 #A55D78 #9CA55D #5DA58A

square

#665DA5 #A55D78 #9CA55D #5DA58A

split-complementary

#665DA5 #A58A5D #78A55D

monochromatic

#353057 #4D467F #665DA5 #8B84BB #B0ACD1

Accessibility & contrast

On white

5.72

#665DA5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#665DA5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DA5

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DA5	#FFFFFF	#000000	##FFFFFF
##665DA5	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4468A8

Deuteranopia (green-blind)

#4464A3

Tritanopia (blue-blind)

#556B79

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665da5;
/* rgb */ color: rgb(102, 93, 165);
/* oklch */ color: oklch(52.0% 0.111 287.6);

Tailwind

colors: {
  custom: {
    50: '#948bc0',
    500: '#665da5',
    950: '#000000',
  },
}

SCSS

$custom: #665da5;
$custom-light: #948bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#665da5",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 165
  },
  "hsl": {
    "h": 247.5,
    "s": 28.571,
    "l": 50.588
  },
  "oklch": {
    "l": 0.5198,
    "c": 0.11138,
    "h": 287.6
  },
  "luminance": 0.1337
}

Semantic roles & 50–950 ramp

primary

#665DA5

secondary

#BBBF9F

accent

#C563B9

background

#F9F8FB

surface

#F2F0F7

border

#CCCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665DA5

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

Preview Lab → · Contrast checker → · Palette generator →