#644751#644751

#644751 is a dark, muted pink. Relative luminance 0.078; OKLCH L 43.3% C 0.042 H 356.6°. Best body text is #FFFFFF at 8.20:1 contrast (WCAG AA passes).

Color values

HEX#644751
RGBrgb(100, 71, 81)
HSLhsl(339, 17%, 34%)
HSVhsv(339, 29%, 39%)
CMYKcmyk(0%, 29%, 19%, 60.8%)
CIE-LABlab(33.58, 14.12, -1.04)
CIE-LCHlch(33.58, 14.16, 355.81°)
OKLaboklab(43.29% 0.0422 -0.0025)
OKLCHoklch(43.29% 0.042 356.6)
XYZxyz(8.9940, 7.8103, 8.8168)
Luminance0.0781 (WCAG relative)
Temperaturewarm
Familypink

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#644751 #47645A
analogous
#64475F #644751 #644B47
triadic
#644751 #516447 #475164
tetradic
#644751 #5F6447 #47645A #4B4764
square
#644751 #5F6447 #47645A #4B4764
split-complementary
#644751 #47644B #475F64
monochromatic
#1C1417 #402E34 #644751 #88606E #A5808D

Accessibility & contrast

On white

8.20
#644751 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.56
#644751 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #644751
8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##644751#FFFFFF#000000##FFFFFF
##6447511.008.202.568.20
#FFFFFF8.201.0021.001.00
#0000002.5621.001.0021.00
##FFFFFF8.201.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A4C51
Deuteranopia (green-blind)
#515150
Tritanopia (blue-blind)
#69464A
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #644751;
/* rgb */ color: rgb(100, 71, 81);
/* oklch */ color: oklch(43.3% 0.042 356.6);
Tailwind
colors: {
  custom: {
    50: '#907a81',
    500: '#644751',
    950: '#000000',
  },
}
SCSS
$custom: #644751;
$custom-light: #907a81;
$custom-dark: #000000;
JSON
{
  "hex": "#644751",
  "rgb": {
    "r": 100,
    "g": 71,
    "b": 81
  },
  "hsl": {
    "h": 339.31,
    "s": 16.959,
    "l": 33.529
  },
  "oklch": {
    "l": 0.43289,
    "c": 0.04228,
    "h": 356.6
  },
  "luminance": 0.0781
}

Semantic roles & 50–950 ramp

primary
#644751
secondary
#759288
accent
#BAA06E
background
#F8F7F7
surface
#F0EDEE
border
#CBC8C9
text
#0C090A
muted
#7D7B7C

Preview Lab

Preview with #644751

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

Preview Lab → · Contrast checker → · Palette generator →

#644751 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva