#665EA9#665EA9

#665EA9 is a mid, moderate blue. Relative luminance 0.137; OKLCH L 52.4% C 0.116 H 286.6°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#665EA9
RGB	rgb(102, 94, 169)
HSL	hsl(246, 30%, 52%)
HSV	hsv(246, 44%, 66%)
CMYK	cmyk(39.6%, 44.4%, 0%, 33.7%)
CIE-LAB	lab(43.79, 22.00, -39.30)
CIE-LCH	lch(43.79, 45.04, 299.24°)
OKLab	oklab(52.41% 0.033 -0.1109)
OKLCH	oklch(52.41% 0.116 286.6)
XYZ	xyz(16.6416, 13.6942, 39.2948)
Luminance	0.1369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EA9 #A1A95E

analogous

#5E7CA9 #665EA9 #8C5EA9

triadic

#665EA9 #A9665E #5EA966

tetradic

#665EA9 #A95E7C #A1A95E #5EA98C

square

#665EA9 #A95E7C #A1A95E #5EA98C

split-complementary

#665EA9 #A98C5E #7CA95E

monochromatic

#36315C #4D4684 #665EA9 #8C86BE #B2AED4

Accessibility & contrast

On white

5.62

#665EA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#665EA9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EA9

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EA9	#FFFFFF	#000000	##FFFFFF
##665EA9	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4369AC

Deuteranopia (green-blind)

#4265A7

Tritanopia (blue-blind)

#536D7B

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #665ea9;
/* rgb */ color: rgb(102, 94, 169);
/* oklch */ color: oklch(52.4% 0.116 286.6);

Tailwind

colors: {
  custom: {
    50: '#958bc3',
    500: '#665ea9',
    950: '#000000',
  },
}

SCSS

$custom: #665ea9;
$custom-light: #958bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#665ea9",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 169
  },
  "hsl": {
    "h": 246.4,
    "s": 30.364,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52412,
    "c": 0.11567,
    "h": 286.6
  },
  "luminance": 0.13695
}

Semantic roles & 50–950 ramp

primary

#665EA9

secondary

#BEC2A1

accent

#C761BC

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665EA9

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

Preview Lab → · Contrast checker → · Palette generator →