#665CA7#665CA7

#665CA7 is a mid, moderate blue. Relative luminance 0.133; OKLCH L 51.9% C 0.116 H 287.8°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#665CA7
RGB	rgb(102, 92, 167)
HSL	hsl(248, 30%, 51%)
HSV	hsv(248, 45%, 65%)
CMYK	cmyk(38.9%, 44.9%, 0%, 34.5%)
CIE-LAB	lab(43.17, 22.65, -39.12)
CIE-LCH	lch(43.17, 45.20, 300.08°)
OKLab	oklab(51.9% 0.0354 -0.1103)
OKLCH	oklch(51.9% 0.116 287.8)
XYZ	xyz(16.2798, 13.2686, 38.2551)
Luminance	0.1327 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CA7 #9DA75C

analogous

#5C77A7 #665CA7 #8B5CA7

triadic

#665CA7 #A7665C #5CA766

tetradic

#665CA7 #A75C77 #9DA75C #5CA78B

square

#665CA7 #A75C77 #9DA75C #5CA78B

split-complementary

#665CA7 #A78B5C #77A75C

monochromatic

#353059 #4D4580 #665CA7 #8B84BC #B1ABD2

Accessibility & contrast

On white

5.75

#665CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#665CA7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CA7

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CA7	#FFFFFF	#000000	##FFFFFF
##665CA7	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4268AA

Deuteranopia (green-blind)

#4164A5

Tritanopia (blue-blind)

#546B79

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665ca7;
/* rgb */ color: rgb(102, 92, 167);
/* oklch */ color: oklch(51.9% 0.116 287.8);

Tailwind

colors: {
  custom: {
    50: '#958ac1',
    500: '#665ca7',
    950: '#000000',
  },
}

SCSS

$custom: #665ca7;
$custom-light: #958ac1;
$custom-dark: #000000;

JSON

{
  "hex": "#665ca7",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 167
  },
  "hsl": {
    "h": 248,
    "s": 29.88,
    "l": 50.784
  },
  "oklch": {
    "l": 0.51902,
    "c": 0.11585,
    "h": 287.8
  },
  "luminance": 0.13269
}

Semantic roles & 50–950 ramp

primary

#665CA7

secondary

#BCC09F

accent

#C662B9

background

#F9F8FB

surface

#F2F0F7

border

#CCCBD0

text

#0D0B12

muted

#7E7C81

Preview Lab

Preview with #665CA7

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

Preview Lab → · Contrast checker → · Palette generator →