#6665AB#6665AB

#6665AB is a mid, moderate blue. Relative luminance 0.151; OKLCH L 53.9% C 0.108 H 282.8°. Best body text is #FFFFFF at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#6665AB
RGB	rgb(102, 101, 171)
HSL	hsl(241, 29%, 53%)
HSV	hsv(241, 41%, 67%)
CMYK	cmyk(40.4%, 40.9%, 0%, 32.9%)
CIE-LAB	lab(45.73, 18.26, -37.41)
CIE-LCH	lch(45.73, 41.63, 296.02°)
OKLab	oklab(53.92% 0.0239 -0.1053)
OKLCH	oklch(53.92% 0.108 282.8)
XYZ	xyz(17.4817, 15.0717, 40.5082)
Luminance	0.1507 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6665AB #AAAB65

analogous

#6587AB #6665AB #8965AB

triadic

#6665AB #AB6665 #65AB66

tetradic

#6665AB #AB6587 #AAAB65 #65AB89

square

#6665AB #AB6587 #AAAB65 #65AB89

split-complementary

#6665AB #AB8965 #87AB65

monochromatic

#353561 #4B4A88 #6665AB #8D8DC1 #B5B4D6

Accessibility & contrast

On white

5.23

#6665AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#6665AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #6665AB

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6665AB	#FFFFFF	#000000	##FFFFFF
##6665AB	1.00	5.23	4.01	5.23
#FFFFFF	5.23	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D6FAE

Deuteranopia (green-blind)

#4A6AA9

Tritanopia (blue-blind)

#527380

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #6665ab;
/* rgb */ color: rgb(102, 101, 171);
/* oklch */ color: oklch(53.9% 0.108 282.8);

Tailwind

colors: {
  custom: {
    50: '#9590c4',
    500: '#6665ab',
    950: '#000000',
  },
}

SCSS

$custom: #6665ab;
$custom-light: #9590c4;
$custom-dark: #000000;

JSON

{
  "hex": "#6665ab",
  "rgb": {
    "r": 102,
    "g": 101,
    "b": 171
  },
  "hsl": {
    "h": 240.857,
    "s": 29.412,
    "l": 53.333
  },
  "oklch": {
    "l": 0.53922,
    "c": 0.108,
    "h": 282.8
  },
  "luminance": 0.15072
}

Semantic roles & 50–950 ramp

primary

#6665AB

secondary

#C5C5A7

accent

#C662C4

background

#F9F8FC

surface

#F2F0F8

border

#CCCBD1

text

#0D0C13

muted

#7E7D82

Preview Lab

Preview with #6665AB

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

Preview Lab → · Contrast checker → · Palette generator →