#641923#641923

#641923 is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.1% C 0.107 H 17.5°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX#641923
RGBrgb(100, 25, 35)
HSLhsl(352, 60%, 25%)
HSVhsv(352, 75%, 39%)
CMYKcmyk(0%, 75%, 65%, 60.8%)
CIE-LABlab(22.04, 34.08, 13.18)
CIE-LCHlch(22.04, 36.54, 21.14°)
OKLaboklab(34.12% 0.1017 0.032)
OKLCHoklch(34.12% 0.107 17.5)
XYZxyz(5.9071, 3.5268, 1.9595)
Luminance0.0353 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641923 #19645A
analogous
#641949 #641923 #643519
triadic
#641923 #236419 #192364
tetradic
#641923 #496419 #19645A #351964
square
#641923 #496419 #19645A #351964
split-complementary
#641923 #196435 #194964
monochromatic
#180609 #330D12 #641923 #952534 #C63145

Accessibility & contrast

On white

12.32
#641923 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.71
#641923 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641923
12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641923#FFFFFF#000000##FFFFFF
##6419231.0012.321.7112.32
#FFFFFF12.321.0021.001.00
#0000001.7121.001.0021.00
##FFFFFF12.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D2B23
Deuteranopia (green-blind)
#403B21
Tritanopia (blue-blind)
#6E051D
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #641923;
/* rgb */ color: rgb(100, 25, 35);
/* oklch */ color: oklch(34.1% 0.107 17.5);
Tailwind
colors: {
  custom: {
    50: '#965c5d',
    500: '#641923',
    950: '#000000',
  },
}
SCSS
$custom: #641923;
$custom-light: #965c5d;
$custom-dark: #000000;
JSON
{
  "hex": "#641923",
  "rgb": {
    "r": 100,
    "g": 25,
    "b": 35
  },
  "hsl": {
    "h": 352,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34121,
    "c": 0.10665,
    "h": 17.5
  },
  "luminance": 0.03526
}

Semantic roles & 50–950 ramp

primary
#641923
secondary
#3F9A8E
accent
#E3CE45
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0E0404
muted
#7E7979

Preview Lab

Preview with #641923

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

Preview Lab → · Contrast checker → · Palette generator →

#641923 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva