#64668D#64668D

#64668D is a mid, moderate blue. Relative luminance 0.141; OKLCH L 52.4% C 0.061 H 281.8°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#64668D
RGB	rgb(100, 102, 141)
HSL	hsl(237, 17%, 47%)
HSV	hsv(237, 29%, 55%)
CMYK	cmyk(29.1%, 27.7%, 0%, 44.7%)
CIE-LAB	lab(44.43, 8.62, -21.69)
CIE-LCH	lch(44.43, 23.34, 291.68°)
OKLab	oklab(52.41% 0.0125 -0.06)
OKLCH	oklch(52.41% 0.061 281.8)
XYZ	xyz(14.8134, 14.1348, 27.1420)
Luminance	0.1414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64668D #8D8B64

analogous

#647B8D #64668D #77648D

triadic

#64668D #8D6466 #668D64

tetradic

#64668D #8D647B #8D8B64 #648D77

square

#64668D #8D647B #8D8B64 #648D77

split-complementary

#64668D #8D7764 #7B8D64

monochromatic

#313245 #4B4C69 #64668D #8587A9 #A9AAC2

Accessibility & contrast

On white

5.49

#64668D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#64668D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64668D

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64668D	#FFFFFF	#000000	##FFFFFF
##64668D	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B6A8F

Deuteranopia (green-blind)

#59688C

Tritanopia (blue-blind)

#5A6D74

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #64668d;
/* rgb */ color: rgb(100, 102, 141);
/* oklch */ color: oklch(52.4% 0.061 281.8);

Tailwind

colors: {
  custom: {
    50: '#9191ae',
    500: '#64668d',
    950: '#000000',
  },
}

SCSS

$custom: #64668d;
$custom-light: #9191ae;
$custom-dark: #000000;

JSON

{
  "hex": "#64668d",
  "rgb": {
    "r": 100,
    "g": 102,
    "b": 141
  },
  "hsl": {
    "h": 237.073,
    "s": 17.012,
    "l": 47.255
  },
  "oklch": {
    "l": 0.52412,
    "c": 0.06126,
    "h": 281.8
  },
  "luminance": 0.14135
}

Semantic roles & 50–950 ramp

primary

#64668D

secondary

#B1B09C

accent

#B66EBA

background

#F8F8FA

surface

#F0F0F4

border

#CBCBCE

text

#0D0C10

muted

#7D7D7F

Preview Lab

Preview with #64668D

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

Preview Lab → · Contrast checker → · Palette generator →