#641D2D#641D2D

#641D2D is a dark, moderate red. Relative luminance 0.038; OKLCH L 34.9% C 0.102 H 10.7°. Best body text is #FFFFFF at 11.96:1 contrast (WCAG AA passes).

Color values

HEX#641D2D
RGBrgb(100, 29, 45)
HSLhsl(346, 55%, 25%)
HSVhsv(346, 71%, 39%)
CMYKcmyk(0%, 71%, 55%, 60.8%)
CIE-LABlab(22.92, 33.16, 7.48)
CIE-LCHlch(22.92, 33.99, 12.71°)
OKLaboklab(34.86% 0.1005 0.0191)
OKLCHoklch(34.86% 0.102 10.7)
XYZxyz(6.1691, 3.7783, 2.8865)
Luminance0.0378 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641D2D #1D6454
analogous
#641D50 #641D2D #64301D
triadic
#641D2D #2D641D #1D2D64
tetradic
#641D2D #50641D #1D6454 #301D64
square
#641D2D #50641D #1D6454 #301D64
split-complementary
#641D2D #1D6430 #1D5064
monochromatic
#18070B #350F18 #641D2D #932B42 #C33958

Accessibility & contrast

On white

11.96
#641D2D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.76
#641D2D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641D2D
11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641D2D#FFFFFF#000000##FFFFFF
##641D2D1.0011.961.7611.96
#FFFFFF11.961.0021.001.00
#0000001.7621.001.0021.00
##FFFFFF11.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E2E2D
Deuteranopia (green-blind)
#403C2B
Tritanopia (blue-blind)
#6D1023
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #641d2d;
/* rgb */ color: rgb(100, 29, 45);
/* oklch */ color: oklch(34.9% 0.102 10.7);
Tailwind
colors: {
  custom: {
    50: '#945e65',
    500: '#641d2d',
    950: '#000000',
  },
}
SCSS
$custom: #641d2d;
$custom-light: #945e65;
$custom-dark: #000000;
JSON
{
  "hex": "#641d2d",
  "rgb": {
    "r": 100,
    "g": 29,
    "b": 45
  },
  "hsl": {
    "h": 346.479,
    "s": 55.039,
    "l": 25.294
  },
  "oklch": {
    "l": 0.34857,
    "c": 0.10228,
    "h": 10.7
  },
  "luminance": 0.03778
}

Semantic roles & 50–950 ramp

primary
#641D2D
secondary
#449986
accent
#DEBD49
background
#F9F5F6
surface
#F2E9EB
border
#CCC5C6
text
#0E0505
muted
#7E797A

Preview Lab

Preview with #641D2D

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

Preview Lab → · Contrast checker → · Palette generator →

#641D2D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva