#665FE6#665FE6

#665FE6 is a mid, vivid blue. Relative luminance 0.167; OKLCH L 56.7% C 0.198 H 280.3°. Best body text is #FFFFFF at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#665FE6
RGB	rgb(102, 95, 230)
HSL	hsl(243, 73%, 64%)
HSV	hsv(243, 59%, 90%)
CMYK	cmyk(55.7%, 58.7%, 0%, 9.8%)
CIE-LAB	lab(47.91, 39.91, -67.86)
CIE-LCH	lch(47.91, 78.73, 300.46°)
OKLab	oklab(56.73% 0.0355 -0.1947)
OKLCH	oklch(56.73% 0.198 280.3)
XYZ	xyz(23.8502, 16.7208, 76.8182)
Luminance	0.1672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FE6 #DFE65F

analogous

#5F9BE6 #665FE6 #A95FE6

triadic

#665FE6 #E6665F #5FE666

tetradic

#665FE6 #E65F9B #DFE65F #5FE6A9

square

#665FE6 #E65F9B #DFE65F #5FE6A9

split-complementary

#665FE6 #E6A95F #9BE65F

monochromatic

#231BAF #332ADE #665FE6 #9994EE #CBC9F7

Accessibility & contrast

On white

4.83

#665FE6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.34

#665FE6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665FE6

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FE6	#FFFFFF	#000000	##FFFFFF
##665FE6	1.00	4.83	4.34	4.83
#FFFFFF	4.83	1.00	21.00	1.00
#000000	4.34	21.00	1.00	21.00
##FFFFFF	4.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077EA

Deuteranopia (green-blind)

#006DE3

Tritanopia (blue-blind)

#237F99

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #665fe6;
/* rgb */ color: rgb(102, 95, 230);
/* oklch */ color: oklch(56.7% 0.198 280.3);

Tailwind

colors: {
  custom: {
    50: '#9c8def',
    500: '#665fe6',
    950: '#000000',
  },
}

SCSS

$custom: #665fe6;
$custom-light: #9c8def;
$custom-dark: #000000;

JSON

{
  "hex": "#665fe6",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 230
  },
  "hsl": {
    "h": 243.111,
    "s": 72.973,
    "l": 63.725
  },
  "oklch": {
    "l": 0.56725,
    "c": 0.19795,
    "h": 280.3
  },
  "luminance": 0.16722
}

Semantic roles & 50–950 ramp

primary

#665FE6

secondary

#E6E8B9

accent

#D510CB

background

#FAF8FE

surface

#F4F0FD

border

#CECBD5

text

#0F0C17

muted

#7F7D85

Preview Lab

Preview with #665FE6

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

Preview Lab → · Contrast checker → · Palette generator →