#665DC5#665DC5

#665DC5 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 54.0% C 0.157 H 283.7°. Best body text is #FFFFFF at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#665DC5
RGB	rgb(102, 93, 197)
HSL	hsl(245, 47%, 57%)
HSV	hsv(245, 53%, 77%)
CMYK	cmyk(48.2%, 52.8%, 0%, 22.7%)
CIE-LAB	lab(45.20, 30.95, -53.40)
CIE-LCH	lch(45.20, 61.72, 300.10°)
OKLab	oklab(54.01% 0.0372 -0.1522)
OKLCH	oklch(54.01% 0.157 283.7)
XYZ	xyz(19.4689, 14.6837, 54.6209)
Luminance	0.1469 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DC5 #BCC55D

analogous

#5D88C5 #665DC5 #9A5DC5

triadic

#665DC5 #C5665D #5DC566

tetradic

#665DC5 #C55D88 #BCC55D #5DC59A

square

#665DC5 #C55D88 #BCC55D #5DC59A

split-complementary

#665DC5 #C59A5D #88C55D

monochromatic

#332C7B #463CA8 #665DC5 #918AD5 #BBB7E5

Accessibility & contrast

On white

5.33

#665DC5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.94

#665DC5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DC5

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DC5	#FFFFFF	#000000	##FFFFFF
##665DC5	1.00	5.33	3.94	5.33
#FFFFFF	5.33	1.00	21.00	1.00
#000000	3.94	21.00	1.00	21.00
##FFFFFF	5.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#286EC9

Deuteranopia (green-blind)

#2268C3

Tritanopia (blue-blind)

#447488

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #665dc5;
/* rgb */ color: rgb(102, 93, 197);
/* oklch */ color: oklch(54.0% 0.157 283.7);

Tailwind

colors: {
  custom: {
    50: '#988bd7',
    500: '#665dc5',
    950: '#000000',
  },
}

SCSS

$custom: #665dc5;
$custom-light: #988bd7;
$custom-dark: #000000;

JSON

{
  "hex": "#665dc5",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 197
  },
  "hsl": {
    "h": 245.192,
    "s": 47.273,
    "l": 56.863
  },
  "oklch": {
    "l": 0.54005,
    "c": 0.1567,
    "h": 283.7
  },
  "luminance": 0.14685
}

Semantic roles & 50–950 ramp

primary

#665DC5

secondary

#D0D4AA

accent

#D751CB

background

#F9F8FD

surface

#F2F0FA

border

#CCCBD3

text

#0E0C14

muted

#7E7D83

Preview Lab

Preview with #665DC5

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

Preview Lab → · Contrast checker → · Palette generator →