#665BDA#665BDA

#665BDA is a mid, vivid blue. Relative luminance 0.154; OKLCH L 55.1% C 0.187 H 282.2°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#665BDA
RGB	rgb(102, 91, 218)
HSL	hsl(245, 63%, 61%)
HSV	hsv(245, 58%, 85%)
CMYK	cmyk(53.2%, 58.3%, 0%, 14.5%)
CIE-LAB	lab(46.13, 38.58, -63.94)
CIE-LCH	lch(46.13, 74.67, 301.11°)
OKLab	oklab(55.15% 0.0398 -0.1832)
OKLCH	oklch(55.15% 0.187 282.2)
XYZ	xyz(21.8716, 15.3676, 68.1298)
Luminance	0.1537 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665BDA #CFDA5B

analogous

#5B8FDA #665BDA #A55BDA

triadic

#665BDA #DA665B #5BDA66

tetradic

#665BDA #DA5B8F #CFDA5B #5BDAA5

square

#665BDA #DA5B8F #CFDA5B #5BDAA5

split-complementary

#665BDA #DAA55B #8FDA5B

monochromatic

#2D2298 #3B2ECA #665BDA #958DE5 #C3BFF1

Accessibility & contrast

On white

5.15

#665BDA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#665BDA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665BDA

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665BDA	#FFFFFF	#000000	##FFFFFF
##665BDA	1.00	5.15	4.07	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072DE

Deuteranopia (green-blind)

#0069D7

Tritanopia (blue-blind)

#337992

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #665bda;
/* rgb */ color: rgb(102, 91, 218);
/* oklch */ color: oklch(55.1% 0.187 282.2);

Tailwind

colors: {
  custom: {
    50: '#9b8ae6',
    500: '#665bda',
    950: '#000000',
  },
}

SCSS

$custom: #665bda;
$custom-light: #9b8ae6;
$custom-dark: #000000;

JSON

{
  "hex": "#665bda",
  "rgb": {
    "r": 102,
    "g": 91,
    "b": 218
  },
  "hsl": {
    "h": 245.197,
    "s": 63.184,
    "l": 60.588
  },
  "oklch": {
    "l": 0.55148,
    "c": 0.18747,
    "h": 282.2
  },
  "luminance": 0.15369
}

Semantic roles & 50–950 ramp

primary

#665BDA

secondary

#DCE1B0

accent

#CB1BBC

background

#FAF8FE

surface

#F3F0FC

border

#CDCBD5

text

#0F0B16

muted

#7F7C84

Preview Lab

Preview with #665BDA

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

Preview Lab → · Contrast checker → · Palette generator →