#66759D#66759D

#66759D is a mid, moderate blue. Relative luminance 0.180; OKLCH L 56.6% C 0.065 H 268.4°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#66759D
RGB	rgb(102, 117, 157)
HSL	hsl(224, 22%, 51%)
HSV	hsv(224, 35%, 62%)
CMYK	cmyk(35%, 25.5%, 0%, 38.4%)
CIE-LAB	lab(49.47, 4.52, -23.36)
CIE-LCH	lch(49.47, 23.79, 280.95°)
OKLab	oklab(56.59% -0.0018 -0.0647)
OKLCH	oklch(56.59% 0.065 268.4)
XYZ	xyz(17.9248, 17.9810, 34.4180)
Luminance	0.1798 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#66759D #9D8E66

analogous

#66909D #66759D #72669D

triadic

#66759D #9D6675 #759D66

tetradic

#66759D #9D6690 #9D8E66 #669D72

square

#66759D #9D6690 #9D8E66 #669D72

split-complementary

#66759D #9D7266 #909D66

monochromatic

#353D53 #4D5979 #66759D #8B97B5 #B1B8CD

Accessibility & contrast

On white

4.57

#66759D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#66759D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #66759D

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##66759D	#FFFFFF	#000000	##000000
##66759D	1.00	4.57	4.60	4.60
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#68789F

Deuteranopia (green-blind)

#63739C

Tritanopia (blue-blind)

#567D83

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #66759d;
/* rgb */ color: rgb(102, 117, 157);
/* oklch */ color: oklch(56.6% 0.065 268.4);

Tailwind

colors: {
  custom: {
    50: '#939cba',
    500: '#66759d',
    950: '#000000',
  },
}

SCSS

$custom: #66759d;
$custom-light: #939cba;
$custom-dark: #000000;

JSON

{
  "hex": "#66759d",
  "rgb": {
    "r": 102,
    "g": 117,
    "b": 157
  },
  "hsl": {
    "h": 223.636,
    "s": 21.912,
    "l": 50.784
  },
  "oklch": {
    "l": 0.56594,
    "c": 0.06476,
    "h": 268.4
  },
  "luminance": 0.17982
}

Semantic roles & 50–950 ramp

primary

#66759D

secondary

#BCB5A3

accent

#A769BE

background

#F9F9FB

surface

#F1F2F6

border

#CBCCD0

text

#0D0E11

muted

#7E7E80

Preview Lab

Preview with #66759D

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

Preview Lab → · Contrast checker → · Palette generator →