#665EA0#665EA0

#665EA0 is a mid, moderate blue. Relative luminance 0.134; OKLCH L 51.9% C 0.102 H 287.8°. Best body text is #FFFFFF at 5.72:1 contrast (WCAG AA passes).

Color values

HEX	#665EA0
RGB	rgb(102, 94, 160)
HSL	hsl(247, 26%, 50%)
HSV	hsv(247, 41%, 63%)
CMYK	cmyk(36.2%, 41.3%, 0%, 37.3%)
CIE-LAB	lab(43.31, 19.41, -34.74)
CIE-LCH	lch(43.31, 39.79, 299.20°)
OKLab	oklab(51.89% 0.0314 -0.0975)
OKLCH	oklch(51.89% 0.102 287.8)
XYZ	xyz(15.8256, 13.3678, 34.9973)
Luminance	0.1337 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EA0 #98A05E

analogous

#5E77A0 #665EA0 #875EA0

triadic

#665EA0 #A0665E #5EA066

tetradic

#665EA0 #A05E77 #98A05E #5EA087

square

#665EA0 #A05E77 #98A05E #5EA087

split-complementary

#665EA0 #A0875E #77A05E

monochromatic

#353153 #4D4779 #665EA0 #8A84B7 #AFABCE

Accessibility & contrast

On white

5.72

#665EA0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.67

#665EA0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EA0

5.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EA0	#FFFFFF	#000000	##FFFFFF
##665EA0	1.00	5.72	3.67	5.72
#FFFFFF	5.72	1.00	21.00	1.00
#000000	3.67	21.00	1.00	21.00
##FFFFFF	5.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4968A3

Deuteranopia (green-blind)

#48659E

Tritanopia (blue-blind)

#576B77

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665ea0;
/* rgb */ color: rgb(102, 94, 160);
/* oklch */ color: oklch(51.9% 0.102 287.8);

Tailwind

colors: {
  custom: {
    50: '#948bbc',
    500: '#665ea0',
    950: '#000000',
  },
}

SCSS

$custom: #665ea0;
$custom-light: #948bbc;
$custom-dark: #000000;

JSON

{
  "hex": "#665ea0",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 160
  },
  "hsl": {
    "h": 247.273,
    "s": 25.984,
    "l": 49.804
  },
  "oklch": {
    "l": 0.51892,
    "c": 0.10247,
    "h": 287.8
  },
  "luminance": 0.13368
}

Semantic roles & 50–950 ramp

primary

#665EA0

secondary

#B8BC9E

accent

#C265B7

background

#F9F8FB

surface

#F2F0F6

border

#CCCBD0

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665EA0

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

Preview Lab → · Contrast checker → · Palette generator →