#665AC2#665AC2

#665AC2 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 53.3% C 0.157 H 285.0°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#665AC2
RGB	rgb(102, 90, 194)
HSL	hsl(247, 46%, 56%)
HSV	hsv(247, 54%, 76%)
CMYK	cmyk(47.4%, 53.6%, 0%, 23.9%)
CIE-LAB	lab(44.28, 31.87, -53.14)
CIE-LCH	lch(44.28, 61.97, 300.95°)
OKLab	oklab(53.26% 0.0406 -0.1515)
OKLCH	oklch(53.26% 0.157 285)
XYZ	xyz(18.8704, 14.0313, 52.7425)
Luminance	0.1403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665AC2 #B6C25A

analogous

#5A82C2 #665AC2 #9A5AC2

triadic

#665AC2 #C2665A #5AC266

tetradic

#665AC2 #C25A82 #B6C25A #5AC29A

square

#665AC2 #C25A82 #B6C25A #5AC29A

split-complementary

#665AC2 #C29A5A #82C25A

monochromatic

#342C76 #483CA3 #665AC2 #8F87D3 #B9B3E3

Accessibility & contrast

On white

5.52

#665AC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.81

#665AC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AC2

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665AC2	#FFFFFF	#000000	##FFFFFF
##665AC2	1.00	5.52	3.81	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.81	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#246CC6

Deuteranopia (green-blind)

#1F66C0

Tritanopia (blue-blind)

#477185

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #665ac2;
/* rgb */ color: rgb(102, 90, 194);
/* oklch */ color: oklch(53.3% 0.157 285.0);

Tailwind

colors: {
  custom: {
    50: '#9889d5',
    500: '#665ac2',
    950: '#000000',
  },
}

SCSS

$custom: #665ac2;
$custom-light: #9889d5;
$custom-dark: #000000;

JSON

{
  "hex": "#665ac2",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 194
  },
  "hsl": {
    "h": 246.923,
    "s": 46.018,
    "l": 55.686
  },
  "oklch": {
    "l": 0.53257,
    "c": 0.15681,
    "h": 285
  },
  "luminance": 0.14032
}

Semantic roles & 50–950 ramp

primary

#665AC2

secondary

#CDD2A6

accent

#D652C6

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0B14

muted

#7E7C83

Preview Lab

Preview with #665AC2

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

Preview Lab → · Contrast checker → · Palette generator →