#665BE6#665BE6

#665BE6 is a mid, highly saturated blue. Relative luminance 0.160; OKLCH L 56.1% C 0.203 H 281.2°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#665BE6
RGB	rgb(102, 91, 230)
HSL	hsl(245, 74%, 63%)
HSV	hsv(245, 60%, 90%)
CMYK	cmyk(55.7%, 60.4%, 0%, 9.8%)
CIE-LAB	lab(47.00, 42.27, -69.34)
CIE-LCH	lch(47.00, 81.20, 301.37°)
OKLab	oklab(56.06% 0.0393 -0.1991)
OKLCH	oklch(56.06% 0.203 281.2)
XYZ	xyz(23.4991, 16.0186, 76.7012)
Luminance	0.1602 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665BE6 #DBE65B

analogous

#5B95E6 #665BE6 #AB5BE6

triadic

#665BE6 #E6665B #5BE666

tetradic

#665BE6 #E65B95 #DBE65B #5BE6AB

square

#665BE6 #E65B95 #DBE65B #5BE6AB

split-complementary

#665BE6 #E6AB5B #95E65B

monochromatic

#261AAC #3426DE #665BE6 #9890EE #C9C5F6

Accessibility & contrast

On white

5.00

#665BE6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#665BE6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BE6

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665BE6	#FFFFFF	#000000	##FFFFFF
##665BE6	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0074EB

Deuteranopia (green-blind)

#006AE3

Tritanopia (blue-blind)

#247D98

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #665be6;
/* rgb */ color: rgb(102, 91, 230);
/* oklch */ color: oklch(56.1% 0.203 281.2);

Tailwind

colors: {
  custom: {
    50: '#9c8aef',
    500: '#665be6',
    950: '#000000',
  },
}

SCSS

$custom: #665be6;
$custom-light: #9c8aef;
$custom-dark: #000000;

JSON

{
  "hex": "#665be6",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 230
  },
  "hsl": {
    "h": 244.748,
    "s": 73.545,
    "l": 62.941
  },
  "oklch": {
    "l": 0.56057,
    "c": 0.20294,
    "h": 281.2
  },
  "luminance": 0.1602
}

Semantic roles & 50–950 ramp

primary

#665BE6

secondary

#E3E7B5

accent

#D610C6

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #665BE6

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

Preview Lab → · Contrast checker → · Palette generator →