#64191F#64191F

#64191F is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.107 H 20.6°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX#64191F
RGBrgb(100, 25, 31)
HSLhsl(355, 60%, 25%)
HSVhsv(355, 75%, 39%)
CMYKcmyk(0%, 75%, 69%, 60.8%)
CIE-LABlab(21.96, 33.80, 15.81)
CIE-LCHlch(21.96, 37.32, 25.07°)
OKLaboklab(34.03% 0.1 0.0376)
OKLCHoklch(34.03% 0.107 20.6)
XYZxyz(5.8511, 3.5044, 1.6644)
Luminance0.0350 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64191F #19645E
analogous
#641945 #64191F #643919
triadic
#64191F #1F6419 #191F64
tetradic
#64191F #456419 #19645E #391964
square
#64191F #456419 #19645E #391964
split-complementary
#64191F #196439 #194564
monochromatic
#180608 #330D10 #64191F #95252E #C6313D

Accessibility & contrast

On white

12.35
#64191F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.70
#64191F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64191F
12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64191F#FFFFFF#000000##FFFFFF
##64191F1.0012.351.7012.35
#FFFFFF12.351.0021.001.00
#0000001.7021.001.0021.00
##FFFFFF12.351.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E2A1F
Deuteranopia (green-blind)
#403A1D
Tritanopia (blue-blind)
#6E041C
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #64191f;
/* rgb */ color: rgb(100, 25, 31);
/* oklch */ color: oklch(34.0% 0.107 20.6);
Tailwind
colors: {
  custom: {
    50: '#965c5a',
    500: '#64191f',
    950: '#000000',
  },
}
SCSS
$custom: #64191f;
$custom-light: #965c5a;
$custom-dark: #000000;
JSON
{
  "hex": "#64191f",
  "rgb": {
    "r": 100,
    "g": 25,
    "b": 31
  },
  "hsl": {
    "h": 355.2,
    "s": 60,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34035,
    "c": 0.10681,
    "h": 20.6
  },
  "luminance": 0.03504
}

Semantic roles & 50–950 ramp

primary
#64191F
secondary
#3F9A93
accent
#E3D645
background
#F9F5F5
surface
#F2E9E9
border
#CCC5C5
text
#0E0403
muted
#7E7978

Preview Lab

Preview with #64191F

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

Preview Lab → · Contrast checker → · Palette generator →

#64191F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva