#665EAA#665EAA

#665EAA is a mid, moderate blue. Relative luminance 0.137; OKLCH L 52.5% C 0.117 H 286.4°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#665EAA
RGB	rgb(102, 94, 170)
HSL	hsl(246, 31%, 52%)
HSV	hsv(246, 45%, 67%)
CMYK	cmyk(40%, 44.7%, 0%, 33.3%)
CIE-LAB	lab(43.85, 22.29, -39.81)
CIE-LCH	lch(43.85, 45.62, 299.25°)
OKLab	oklab(52.47% 0.0332 -0.1123)
OKLCH	oklch(52.47% 0.117 286.4)
XYZ	xyz(16.7359, 13.7319, 39.7911)
Luminance	0.1373 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665EAA #A2AA5E

analogous

#5E7CAA #665EAA #8C5EAA

triadic

#665EAA #AA665E #5EAA66

tetradic

#665EAA #AA5E7C #A2AA5E #5EAA8C

square

#665EAA #AA5E7C #A2AA5E #5EAA8C

split-complementary

#665EAA #AA8C5E #7CAA5E

monochromatic

#36315D #4D4685 #665EAA #8C86BF #B2AED4

Accessibility & contrast

On white

5.61

#665EAA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#665EAA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665EAA

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665EAA	#FFFFFF	#000000	##FFFFFF
##665EAA	1.00	5.61	3.75	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#436AAD

Deuteranopia (green-blind)

#4166A8

Tritanopia (blue-blind)

#536D7C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #665eaa;
/* rgb */ color: rgb(102, 94, 170);
/* oklch */ color: oklch(52.5% 0.117 286.4);

Tailwind

colors: {
  custom: {
    50: '#958bc4',
    500: '#665eaa',
    950: '#000000',
  },
}

SCSS

$custom: #665eaa;
$custom-light: #958bc4;
$custom-dark: #000000;

JSON

{
  "hex": "#665eaa",
  "rgb": {
    "r": 102,
    "g": 94,
    "b": 170
  },
  "hsl": {
    "h": 246.316,
    "s": 30.894,
    "l": 51.765
  },
  "oklch": {
    "l": 0.52471,
    "c": 0.11712,
    "h": 286.4
  },
  "luminance": 0.13732
}

Semantic roles & 50–950 ramp

primary

#665EAA

secondary

#BFC3A1

accent

#C761BC

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0C12

muted

#7E7D81

Preview Lab

Preview with #665EAA

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

Preview Lab → · Contrast checker → · Palette generator →