#665ACA#665ACA

#665ACA is a mid, vivid blue. Relative luminance 0.144; OKLCH L 53.8% C 0.168 H 284.1°. Best body text is #FFFFFF at 5.41:1 contrast (WCAG AA passes).

Color values

HEX	#665ACA
RGB	rgb(102, 90, 202)
HSL	hsl(246, 51%, 57%)
HSV	hsv(246, 55%, 79%)
CMYK	cmyk(49.5%, 55.4%, 0%, 20.8%)
CIE-LAB	lab(44.80, 34.29, -56.92)
CIE-LCH	lch(44.80, 66.45, 301.06°)
OKLab	oklab(53.81% 0.0408 -0.1626)
OKLCH	oklch(53.81% 0.168 284.1)
XYZ	xyz(19.7931, 14.4004, 57.6023)
Luminance	0.1440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665ACA #BECA5A

analogous

#5A86CA #665ACA #9E5ACA

triadic

#665ACA #CA665A #5ACA66

tetradic

#665ACA #CA5A86 #BECA5A #5ACA9E

square

#665ACA #CA5A86 #BECA5A #5ACA9E

split-complementary

#665ACA #CA9E5A #86CA5A

monochromatic

#332980 #4538AF #665ACA #9188D9 #BCB7E8

Accessibility & contrast

On white

5.41

#665ACA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.88

#665ACA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665ACA

5.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665ACA	#FFFFFF	#000000	##FFFFFF
##665ACA	1.00	5.41	3.88	5.41
#FFFFFF	5.41	1.00	21.00	1.00
#000000	3.88	21.00	1.00	21.00
##FFFFFF	5.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#146DCE

Deuteranopia (green-blind)

#0766C8

Tritanopia (blue-blind)

#417389

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #665aca;
/* rgb */ color: rgb(102, 90, 202);
/* oklch */ color: oklch(53.8% 0.168 284.1);

Tailwind

colors: {
  custom: {
    50: '#9989db',
    500: '#665aca',
    950: '#000000',
  },
}

SCSS

$custom: #665aca;
$custom-light: #9989db;
$custom-dark: #000000;

JSON

{
  "hex": "#665aca",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 202
  },
  "hsl": {
    "h": 246.429,
    "s": 51.376,
    "l": 57.255
  },
  "oklch": {
    "l": 0.53814,
    "c": 0.16764,
    "h": 284.1
  },
  "luminance": 0.14401
}

Semantic roles & 50–950 ramp

primary

#665ACA

secondary

#D2D7A9

accent

#DB4DCC

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0E0B15

muted

#7E7C83

Preview Lab

Preview with #665ACA

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

Preview Lab → · Contrast checker → · Palette generator →