#665CA1#665CA1

#665CA1 is a mid, moderate blue. Relative luminance 0.131; OKLCH L 51.6% C 0.107 H 288.7°. Best body text is #FFFFFF at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#665CA1
RGB	rgb(102, 92, 161)
HSL	hsl(249, 27%, 50%)
HSV	hsv(249, 43%, 63%)
CMYK	cmyk(36.6%, 42.9%, 0%, 36.9%)
CIE-LAB	lab(42.84, 20.94, -36.08)
CIE-LCH	lch(42.84, 41.71, 300.13°)
OKLab	oklab(51.55% 0.0344 -0.1014)
OKLCH	oklch(51.55% 0.107 288.7)
XYZ	xyz(15.7379, 13.0518, 35.4014)
Luminance	0.1305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CA1 #97A15C

analogous

#5C74A1 #665CA1 #895CA1

triadic

#665CA1 #A1665C #5CA166

tetradic

#665CA1 #A15C74 #97A15C #5CA189

square

#665CA1 #A15C74 #97A15C #5CA189

split-complementary

#665CA1 #A1895C #74A15C

monochromatic

#352F53 #4D467A #665CA1 #8A82B8 #AFA9CE

Accessibility & contrast

On white

5.82

#665CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#665CA1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CA1

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CA1	#FFFFFF	#000000	##FFFFFF
##665CA1	1.00	5.82	3.61	5.82
#FFFFFF	5.82	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4567A4

Deuteranopia (green-blind)

#45639F

Tritanopia (blue-blind)

#576977

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #665ca1;
/* rgb */ color: rgb(102, 92, 161);
/* oklch */ color: oklch(51.6% 0.107 288.7);

Tailwind

colors: {
  custom: {
    50: '#948abd',
    500: '#665ca1',
    950: '#000000',
  },
}

SCSS

$custom: #665ca1;
$custom-light: #948abd;
$custom-dark: #000000;

JSON

{
  "hex": "#665ca1",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 161
  },
  "hsl": {
    "h": 248.696,
    "s": 27.273,
    "l": 49.608
  },
  "oklch": {
    "l": 0.51551,
    "c": 0.10711,
    "h": 288.7
  },
  "luminance": 0.13052
}

Semantic roles & 50–950 ramp

primary

#665CA1

secondary

#B8BC9D

accent

#C464B6

background

#F9F8FB

surface

#F2F0F6

border

#CCCBD0

text

#0D0B12

muted

#7E7C81

Preview Lab

Preview with #665CA1

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

Preview Lab → · Contrast checker → · Palette generator →