#665DA7#665DA7

#665DA7 is a mid, moderate blue. Relative luminance 0.134; OKLCH L 52.1% C 0.114 H 287.3°. Best body text is #FFFFFF at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#665DA7
RGB	rgb(102, 93, 167)
HSL	hsl(247, 30%, 51%)
HSV	hsv(247, 44%, 65%)
CMYK	cmyk(38.9%, 44.3%, 0%, 34.5%)
CIE-LAB	lab(43.42, 22.04, -38.71)
CIE-LCH	lch(43.42, 44.54, 299.65°)
OKLab	oklab(52.1% 0.034 -0.1091)
OKLCH	oklch(52.1% 0.114 287.3)
XYZ	xyz(16.3670, 13.4430, 38.2841)
Luminance	0.1344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665DA7 #9EA75D

analogous

#5D79A7 #665DA7 #8B5DA7

triadic

#665DA7 #A7665D #5DA766

tetradic

#665DA7 #A75D79 #9EA75D #5DA78B

square

#665DA7 #A75D79 #9EA75D #5DA78B

split-complementary

#665DA7 #A78B5D #79A75D

monochromatic

#353059 #4D4681 #665DA7 #8B85BD #B1ACD2

Accessibility & contrast

On white

5.69

#665DA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.69

#665DA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665DA7

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665DA7	#FFFFFF	#000000	##FFFFFF
##665DA7	1.00	5.69	3.69	5.69
#FFFFFF	5.69	1.00	21.00	1.00
#000000	3.69	21.00	1.00	21.00
##FFFFFF	5.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4368AA

Deuteranopia (green-blind)

#4265A5

Tritanopia (blue-blind)

#546C7A

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #665da7;
/* rgb */ color: rgb(102, 93, 167);
/* oklch */ color: oklch(52.1% 0.114 287.3);

Tailwind

colors: {
  custom: {
    50: '#958bc1',
    500: '#665da7',
    950: '#000000',
  },
}

SCSS

$custom: #665da7;
$custom-light: #958bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#665da7",
  "rgb": {
    "r": 102,
    "g": 93,
    "b": 167
  },
  "hsl": {
    "h": 247.297,
    "s": 29.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.52097,
    "c": 0.1143,
    "h": 287.3
  },
  "luminance": 0.13444
}

Semantic roles & 50–950 ramp

primary

#665DA7

secondary

#BCC0A0

accent

#C662BA

background

#F9F8FB

surface

#F2F0F7

border

#CCCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665DA7

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

Preview Lab → · Contrast checker → · Palette generator →