#665FFF#665FFF

#665FFF is a mid, highly saturated blue. Relative luminance 0.182; OKLCH L 58.7% C 0.229 H 278.6°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#665FFF
RGB	rgb(102, 95, 255)
HSL	hsl(243, 100%, 69%)
HSV	hsv(243, 63%, 100%)
CMYK	cmyk(60%, 62.7%, 0%, 0%)
CIE-LAB	lab(49.77, 47.67, -78.81)
CIE-LCH	lch(49.77, 92.11, 301.17°)
OKLab	oklab(58.68% 0.0342 -0.2269)
OKLCH	oklch(58.68% 0.229 278.6)
XYZ	xyz(27.6159, 18.2271, 96.6513)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665FFF #F8FF5F

analogous

#5FA8FF #665FFF #B65FFF

triadic

#665FFF #FF665F #5FFF66

tetradic

#665FFF #FF5FA8 #F8FF5F #5FFFB6

square

#665FFF #FF5FA8 #F8FF5F #5FFFB6

split-complementary

#665FFF #FFB65F #A8FF5F

monochromatic

#0A00E4 #2B22FF #665FFF #A19CFF #DBD9FF

Accessibility & contrast

On white

4.52

#665FFF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#665FFF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #665FFF

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665FFF	#FFFFFF	#000000	##000000
##665FFF	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#007DFF

Deuteranopia (green-blind)

#0070FC

Tritanopia (blue-blind)

#0087A6

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #665fff;
/* rgb */ color: rgb(102, 95, 255);
/* oklch */ color: oklch(58.7% 0.229 278.6);

Tailwind

colors: {
  custom: {
    50: '#a08dff',
    500: '#665fff',
    950: '#000000',
  },
}

SCSS

$custom: #665fff;
$custom-light: #a08dff;
$custom-dark: #000000;

JSON

{
  "hex": "#665fff",
  "rgb": {
    "r": 102,
    "g": 95,
    "b": 255
  },
  "hsl": {
    "h": 242.625,
    "s": 100,
    "l": 68.627
  },
  "oklch": {
    "l": 0.58675,
    "c": 0.22948,
    "h": 278.6
  },
  "luminance": 0.18229
}

Semantic roles & 50–950 ramp

primary

#665FFF

secondary

#F3F5C5

accent

#E600DB

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C18

muted

#7F7D86

Preview Lab

Preview with #665FFF

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

Preview Lab → · Contrast checker → · Palette generator →