#64708A#64708A

#64708A is a mid, muted blue. Relative luminance 0.161; OKLCH L 54.5% C 0.043 H 265.5°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#64708A
RGB	rgb(100, 112, 138)
HSL	hsl(221, 16%, 47%)
HSV	hsv(221, 28%, 54%)
CMYK	cmyk(27.5%, 18.8%, 0%, 45.9%)
CIE-LAB	lab(47.15, 1.78, -15.73)
CIE-LCH	lch(47.15, 15.83, 276.46°)
OKLab	oklab(54.49% -0.0034 -0.0431)
OKLCH	oklch(54.49% 0.043 265.5)
XYZ	xyz(15.6359, 16.1322, 26.3298)
Luminance	0.1613 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#64708A #8A7E64

analogous

#64838A #64708A #6B648A

triadic

#64708A #8A6470 #708A64

tetradic

#64708A #8A6483 #8A7E64 #648A6B

square

#64708A #8A6483 #8A7E64 #648A6B

split-complementary

#64708A #8A6B64 #838A64

monochromatic

#313643 #4A5367 #64708A #858FA6 #A8B0C0

Accessibility & contrast

On white

4.97

#64708A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#64708A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #64708A

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##64708A	#FFFFFF	#000000	##FFFFFF
##64708A	1.00	4.97	4.23	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#68728B

Deuteranopia (green-blind)

#646E89

Tritanopia (blue-blind)

#5A7579

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #64708a;
/* rgb */ color: rgb(100, 112, 138);
/* oklch */ color: oklch(54.5% 0.043 265.5);

Tailwind

colors: {
  custom: {
    50: '#9199ac',
    500: '#64708a',
    950: '#000000',
  },
}

SCSS

$custom: #64708a;
$custom-light: #9199ac;
$custom-dark: #000000;

JSON

{
  "hex": "#64708a",
  "rgb": {
    "r": 100,
    "g": 112,
    "b": 138
  },
  "hsl": {
    "h": 221.053,
    "s": 15.966,
    "l": 46.667
  },
  "oklch": {
    "l": 0.54492,
    "c": 0.04327,
    "h": 265.5
  },
  "luminance": 0.16133
}

Semantic roles & 50–950 ramp

primary

#64708A

secondary

#AFA99B

accent

#A16FB9

background

#F8F9FA

surface

#F0F2F4

border

#CBCCCE

text

#0D0D10

muted

#7D7E7F

Preview Lab

Preview with #64708A

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

Preview Lab → · Contrast checker → · Palette generator →