#666BAD#666BAD

#666BAD is a mid, moderate blue. Relative luminance 0.164; OKLCH L 55.3% C 0.102 H 279.2°. Best body text is #FFFFFF at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#666BAD
RGB	rgb(102, 107, 173)
HSL	hsl(236, 30%, 54%)
HSV	hsv(236, 41%, 68%)
CMYK	cmyk(41%, 38.2%, 0%, 32.2%)
CIE-LAB	lab(47.44, 15.16, -35.89)
CIE-LCH	lch(47.44, 38.96, 292.90°)
OKLab	oklab(55.26% 0.0163 -0.1009)
OKLCH	oklch(55.26% 0.102 279.2)
XYZ	xyz(18.2778, 16.3565, 41.7211)
Luminance	0.1636 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#666BAD #ADA866

analogous

#668FAD #666BAD #8566AD

triadic

#666BAD #AD666B #6BAD66

tetradic

#666BAD #AD668F #ADA866 #66AD85

square

#666BAD #AD668F #ADA866 #66AD85

split-complementary

#666BAD #AD8566 #8FAD66

monochromatic

#353863 #4B4F8B #666BAD #8E92C2 #B6B8D8

Accessibility & contrast

On white

4.92

#666BAD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.27

#666BAD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #666BAD

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##666BAD	#FFFFFF	#000000	##FFFFFF
##666BAD	1.00	4.92	4.27	4.92
#FFFFFF	4.92	1.00	21.00	1.00
#000000	4.27	21.00	1.00	21.00
##FFFFFF	4.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5473B0

Deuteranopia (green-blind)

#506EAB

Tritanopia (blue-blind)

#507884

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #666bad;
/* rgb */ color: rgb(102, 107, 173);
/* oklch */ color: oklch(55.3% 0.102 279.2);

Tailwind

colors: {
  custom: {
    50: '#9595c6',
    500: '#666bad',
    950: '#000000',
  },
}

SCSS

$custom: #666bad;
$custom-light: #9595c6;
$custom-dark: #000000;

JSON

{
  "hex": "#666bad",
  "rgb": {
    "r": 102,
    "g": 107,
    "b": 173
  },
  "hsl": {
    "h": 235.775,
    "s": 30.213,
    "l": 53.922
  },
  "oklch": {
    "l": 0.55261,
    "c": 0.10218,
    "h": 279.2
  },
  "luminance": 0.16357
}

Semantic roles & 50–950 ramp

primary

#666BAD

secondary

#C7C4A8

accent

#BF61C6

background

#F9F9FC

surface

#F2F1F8

border

#CCCBD1

text

#0D0D13

muted

#7E7E82

Preview Lab

Preview with #666BAD

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

Preview Lab → · Contrast checker → · Palette generator →