#665ACF#665ACF

#665ACF is a mid, vivid blue. Relative luminance 0.146; OKLCH L 54.2% C 0.174 H 283.6°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#665ACF
RGB	rgb(102, 90, 207)
HSL	hsl(246, 55%, 58%)
HSV	hsv(246, 57%, 81%)
CMYK	cmyk(50.7%, 56.5%, 0%, 18.8%)
CIE-LAB	lab(45.14, 35.81, -59.26)
CIE-LCH	lch(45.14, 69.24, 301.15°)
OKLab	oklab(54.17% 0.0409 -0.1694)
OKLCH	oklch(54.17% 0.174 283.6)
XYZ	xyz(20.3947, 14.6410, 60.7707)
Luminance	0.1464 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665ACF #C3CF5A

analogous

#5A88CF #665ACF #A05ACF

triadic

#665ACF #CF665A #5ACF66

tetradic

#665ACF #CF5A88 #C3CF5A #5ACFA0

square

#665ACF #CF5A88 #C3CF5A #5ACFA0

split-complementary

#665ACF #CFA05A #88CF5A

monochromatic

#312787 #4235B7 #665ACF #9289DD #BEB9EB

Accessibility & contrast

On white

5.35

#665ACF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#665ACF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665ACF

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665ACF	#FFFFFF	#000000	##FFFFFF
##665ACF	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD3

Deuteranopia (green-blind)

#0067CD

Tritanopia (blue-blind)

#3E758C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665acf;
/* rgb */ color: rgb(102, 90, 207);
/* oklch */ color: oklch(54.2% 0.174 283.6);

Tailwind

colors: {
  custom: {
    50: '#9989de',
    500: '#665acf',
    950: '#000000',
  },
}

SCSS

$custom: #665acf;
$custom-light: #9989de;
$custom-dark: #000000;

JSON

{
  "hex": "#665acf",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 207
  },
  "hsl": {
    "h": 246.154,
    "s": 54.93,
    "l": 58.235
  },
  "oklch": {
    "l": 0.54171,
    "c": 0.17431,
    "h": 283.6
  },
  "luminance": 0.14642
}

Semantic roles & 50–950 ramp

primary

#665ACF

secondary

#D5DAAB

accent

#DE4ACF

background

#F9F8FD

surface

#F2F0FB

border

#CCCBD4

text

#0F0B15

muted

#7E7C83

Preview Lab

Preview with #665ACF

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

Preview Lab → · Contrast checker → · Palette generator →