#665DA4#665DA4

#665DA4 is a mid, moderate blue. Relative luminance 0.133; OKLCH L 51.9% C 0.110 H 287.7°. Best body text is #FFFFFF at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#665DA4
RGB	rgb(102, 93, 164)
HSL	hsl(248, 28%, 50%)
HSV	hsv(248, 43%, 64%)
CMYK	cmyk(37.8%, 43.3%, 0%, 35.7%)
CIE-LAB	lab(43.26, 21.17, -37.19)
CIE-LCH	lch(43.26, 42.80, 299.65°)
OKLab	oklab(51.92% 0.0335 -0.1047)
OKLCH	oklch(51.92% 0.11 287.7)
XYZ	xyz(16.0928, 13.3333, 36.8405)
Luminance	0.1333 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DA4 #9BA45D

analogous

#5D77A4 #665DA4 #895DA4

triadic

#665DA4 #A4665D #5DA466

tetradic

#665DA4 #A45D77 #9BA45D #5DA489

square

#665DA4 #A45D77 #9BA45D #5DA489

split-complementary

#665DA4 #A4895D #77A45D

monochromatic

#353056 #4D467D #665DA4 #8B84BA #B0ABD0

Accessibility & contrast

On white

5.73

#665DA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#665DA4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DA4

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DA4	#FFFFFF	#000000	##FFFFFF
##665DA4	1.00	5.73	3.67	5.73
#FFFFFF	5.73	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4568A7

Deuteranopia (green-blind)

#4464A2

Tritanopia (blue-blind)

#566B78

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665da4;
/* rgb */ color: rgb(102, 93, 164);
/* oklch */ color: oklch(51.9% 0.110 287.7);

Tailwind

colors: {
  custom: {
    50: '#948bbf',
    500: '#665da4',
    950: '#000000',
  },
}

SCSS

$custom: #665da4;
$custom-light: #948bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#665da4",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 164
  },
  "hsl": {
    "h": 247.606,
    "s": 28.063,
    "l": 50.392
  },
  "oklch": {
    "l": 0.51922,
    "c": 0.10992,
    "h": 287.7
  },
  "luminance": 0.13334
}

Semantic roles & 50–950 ramp

primary

#665DA4

secondary

#BABE9F

accent

#C463B8

background

#F9F8FB

surface

#F2F0F7

border

#CCCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665DA4

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

Preview Lab → · Contrast checker → · Palette generator →