#665AFA#665AFA

#665AFA is a mid, highly saturated blue. Relative luminance 0.170; OKLCH L 57.5% C 0.229 H 279.7°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#665AFA
RGB	rgb(102, 90, 250)
HSL	hsl(245, 94%, 67%)
HSV	hsv(245, 64%, 98%)
CMYK	cmyk(59.2%, 64%, 0%, 2%)
CIE-LAB	lab(48.31, 48.99, -78.42)
CIE-LCH	lch(48.31, 92.47, 301.99°)
OKLab	oklab(57.49% 0.0387 -0.2258)
OKLCH	oklch(57.49% 0.229 279.7)
XYZ	xyz(26.3855, 17.0373, 92.3221)
Luminance	0.1704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665AFA #EEFA5A

analogous

#5A9EFA #665AFA #B65AFA

triadic

#665AFA #FA665A #5AFA66

tetradic

#665AFA #FA5A9E #EEFA5A #5AFAB6

square

#665AFA #FA5A9E #EEFA5A #5AFAB6

split-complementary

#665AFA #FAB65A #9EFA5A

monochromatic

#1606D3 #2F1FF8 #665AFA #9D95FC #D4D1FE

Accessibility & contrast

On white

4.76

#665AFA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#665AFA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665AFA

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665AFA	#FFFFFF	#000000	##FFFFFF
##665AFA	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0079FF

Deuteranopia (green-blind)

#006CF7

Tritanopia (blue-blind)

#0083A2

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #665afa;
/* rgb */ color: rgb(102, 90, 250);
/* oklch */ color: oklch(57.5% 0.229 279.7);

Tailwind

colors: {
  custom: {
    50: '#a08afd',
    500: '#665afa',
    950: '#000000',
  },
}

SCSS

$custom: #665afa;
$custom-light: #a08afd;
$custom-dark: #000000;

JSON

{
  "hex": "#665afa",
  "rgb": {
    "r": 102,
    "g": 90,
    "b": 250
  },
  "hsl": {
    "h": 244.5,
    "s": 94.118,
    "l": 66.667
  },
  "oklch": {
    "l": 0.57488,
    "c": 0.22909,
    "h": 279.7
  },
  "luminance": 0.17039
}

Semantic roles & 50–950 ramp

primary

#665AFA

secondary

#EEF2BE

accent

#E600D4

background

#FAF8FF

surface

#F4F0FF

border

#CECBD7

text

#100C18

muted

#7F7D86

Preview Lab

Preview with #665AFA

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

Preview Lab → · Contrast checker → · Palette generator →