#665CAB#665CAB

#665CAB is a mid, vivid blue. Relative luminance 0.134; OKLCH L 52.1% C 0.122 H 287.2°. Best body text is #FFFFFF at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#665CAB
RGB	rgb(102, 92, 171)
HSL	hsl(248, 32%, 52%)
HSV	hsv(248, 46%, 67%)
CMYK	cmyk(40.4%, 46.2%, 0%, 32.9%)
CIE-LAB	lab(43.39, 23.81, -41.12)
CIE-LCH	lch(43.39, 47.52, 300.07°)
OKLab	oklab(52.14% 0.036 -0.1162)
OKLCH	oklch(52.14% 0.122 287.2)
XYZ	xyz(16.6553, 13.4188, 40.2327)
Luminance	0.1342 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#665CAB #A1AB5C

analogous

#5C7AAB #665CAB #8E5CAB

triadic

#665CAB #AB665C #5CAB66

tetradic

#665CAB #AB5C7A #A1AB5C #5CAB8E

square

#665CAB #AB5C7A #A1AB5C #5CAB8E

split-complementary

#665CAB #AB8E5C #7AAB5C

monochromatic

#36305D #4D4585 #665CAB #8C84C0 #B2ADD5

Accessibility & contrast

On white

5.70

#665CAB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#665CAB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #665CAB

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##665CAB	#FFFFFF	#000000	##FFFFFF
##665CAB	1.00	5.70	3.68	5.70
#FFFFFF	5.70	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F68AE

Deuteranopia (green-blind)

#3E64A9

Tritanopia (blue-blind)

#536C7B

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #665cab;
/* rgb */ color: rgb(102, 92, 171);
/* oklch */ color: oklch(52.1% 0.122 287.2);

Tailwind

colors: {
  custom: {
    50: '#958ac4',
    500: '#665cab',
    950: '#000000',
  },
}

SCSS

$custom: #665cab;
$custom-light: #958ac4;
$custom-dark: #000000;

JSON

{
  "hex": "#665cab",
  "rgb": {
    "r": 102,
    "g": 92,
    "b": 171
  },
  "hsl": {
    "h": 247.595,
    "s": 31.984,
    "l": 51.569
  },
  "oklch": {
    "l": 0.52142,
    "c": 0.12163,
    "h": 287.2
  },
  "luminance": 0.13419
}

Semantic roles & 50–950 ramp

primary

#665CAB

secondary

#BEC3A0

accent

#C860BB

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0B13

muted

#7E7C82

Preview Lab

Preview with #665CAB

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

Preview Lab → · Contrast checker → · Palette generator →