#64708C#64708C

#64708C is a mid, muted blue. Relative luminance 0.162; OKLCH L 54.6% C 0.046 H 266.7°. Best body text is #FFFFFF at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#64708C
RGB	rgb(100, 112, 140)
HSL	hsl(222, 17%, 47%)
HSV	hsv(222, 29%, 55%)
CMYK	cmyk(28.6%, 20%, 0%, 45.1%)
CIE-LAB	lab(47.22, 2.30, -16.80)
CIE-LCH	lch(47.22, 16.96, 277.80°)
OKLab	oklab(54.58% -0.0026 -0.0461)
OKLCH	oklch(54.58% 0.046 266.7)
XYZ	xyz(15.7820, 16.1906, 27.0994)
Luminance	0.1619 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64708C #8C8064

analogous

#64848C #64708C #6C648C

triadic

#64708C #8C6470 #708C64

tetradic

#64708C #8C6484 #8C8064 #648C6C

square

#64708C #8C6484 #8C8064 #648C6C

split-complementary

#64708C #8C6C64 #848C64

monochromatic

#313745 #4B5368 #64708C #8590A8 #A9B0C2

Accessibility & contrast

On white

4.95

#64708C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.24

#64708C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64708C

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64708C	#FFFFFF	#000000	##FFFFFF
##64708C	1.00	4.95	4.24	4.95
#FFFFFF	4.95	1.00	21.00	1.00
#000000	4.24	21.00	1.00	21.00
##FFFFFF	4.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#67728D

Deuteranopia (green-blind)

#646E8B

Tritanopia (blue-blind)

#597679

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #64708c;
/* rgb */ color: rgb(100, 112, 140);
/* oklch */ color: oklch(54.6% 0.046 266.7);

Tailwind

colors: {
  custom: {
    50: '#9199ad',
    500: '#64708c',
    950: '#000000',
  },
}

SCSS

$custom: #64708c;
$custom-light: #9199ad;
$custom-dark: #000000;

JSON

{
  "hex": "#64708c",
  "rgb": {
    "r": 100,
    "g": 112,
    "b": 140
  },
  "hsl": {
    "h": 222,
    "s": 16.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.54577,
    "c": 0.04623,
    "h": 266.7
  },
  "luminance": 0.16191
}

Semantic roles & 50–950 ramp

primary

#64708C

secondary

#B0AA9C

accent

#A36EB9

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0D0D10

muted

#7D7E7F

Preview Lab

Preview with #64708C

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

Preview Lab → · Contrast checker → · Palette generator →