#64281A#64281A

#64281A is a dark, moderate red. Relative luminance 0.043; OKLCH L 36.0% C 0.091 H 34.5°. Best body text is #FFFFFF at 11.29:1 contrast (WCAG AA passes).

Color values

HEX#64281A
RGBrgb(100, 40, 26)
HSLhsl(11, 59%, 25%)
HSVhsv(11, 74%, 39%)
CMYKcmyk(0%, 60%, 74%, 60.8%)
CIE-LABlab(24.65, 26.09, 22.34)
CIE-LCHlch(24.65, 34.35, 40.57°)
OKLaboklab(36.03% 0.0746 0.0513)
OKLCHoklch(36.03% 0.091 34.5)
XYZxyz(6.2014, 4.3023, 1.4809)
Luminance0.0430 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#64281A #1A5664
analogous
#641A31 #64281A #644D1A
triadic
#64281A #1A6428 #281A64
tetradic
#64281A #31641A #1A5664 #4D1A64
square
#64281A #31641A #1A5664 #4D1A64
split-complementary
#64281A #1A644D #1A3164
monochromatic
#180A06 #33150D #64281A #953B27 #C54F33

Accessibility & contrast

On white

11.29
#64281A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.86
#64281A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #64281A
11.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##64281A#FFFFFF#000000##FFFFFF
##64281A1.0011.291.8611.29
#FFFFFF11.291.0021.001.00
#0000001.8621.001.0021.00
##FFFFFF11.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#383218
Deuteranopia (green-blind)
#473F18
Tritanopia (blue-blind)
#6E1B25
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #64281a;
/* rgb */ color: rgb(100, 40, 26);
/* oklch */ color: oklch(36.0% 0.091 34.5);
Tailwind
colors: {
  custom: {
    50: '#956457',
    500: '#64281a',
    950: '#000000',
  },
}
SCSS
$custom: #64281a;
$custom-light: #956457;
$custom-dark: #000000;
JSON
{
  "hex": "#64281a",
  "rgb": {
    "r": 100,
    "g": 40,
    "b": 26
  },
  "hsl": {
    "h": 11.351,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.36029,
    "c": 0.09054,
    "h": 34.5
  },
  "luminance": 0.04301
}

Semantic roles & 50–950 ramp

primary
#64281A
secondary
#40899A
accent
#C4E246
background
#F9F6F5
surface
#F2EBE9
border
#CCC6C5
text
#0E0503
muted
#7E7A78

Preview Lab

Preview with #64281A

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

Preview Lab → · Contrast checker → · Palette generator →

#64281A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva