#641711#641711

#641711 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.6% C 0.111 H 28.9°. Best body text is #FFFFFF at 12.56:1 contrast (WCAG AA passes).

Color values

HEX#641711
RGBrgb(100, 23, 17)
HSLhsl(4, 71%, 23%)
HSVhsv(4, 83%, 39%)
CMYKcmyk(0%, 77%, 83%, 60.8%)
CIE-LABlab(21.44, 33.90, 24.37)
CIE-LCHlch(21.44, 41.75, 35.71°)
OKLaboklab(33.58% 0.097 0.0534)
OKLCHoklch(33.58% 0.111 28.9)
XYZxyz(5.6638, 3.3635, 0.8812)
Luminance0.0336 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641711 #115E64
analogous
#641135 #641711 #644011
triadic
#641711 #116417 #171164
tetradic
#641711 #356411 #115E64 #401164
square
#641711 #356411 #115E64 #401164
split-complementary
#641711 #116440 #113564
monochromatic
#1A0604 #300B08 #641711 #98231A #CD2F23

Accessibility & contrast

On white

12.56
#641711 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.67
#641711 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641711
12.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641711#FFFFFF#000000##FFFFFF
##6417111.0012.561.6712.56
#FFFFFF12.561.0021.001.00
#0000001.6721.001.0021.00
##FFFFFF12.561.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2E2910
Deuteranopia (green-blind)
#413A0E
Tritanopia (blue-blind)
#6F0016
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #641711;
/* rgb */ color: rgb(100, 23, 17);
/* oklch */ color: oklch(33.6% 0.111 28.9);
Tailwind
colors: {
  custom: {
    50: '#975a4f',
    500: '#641711',
    950: '#000000',
  },
}
SCSS
$custom: #641711;
$custom-light: #975a4f;
$custom-dark: #000000;
JSON
{
  "hex": "#641711",
  "rgb": {
    "r": 100,
    "g": 23,
    "b": 17
  },
  "hsl": {
    "h": 4.337,
    "s": 70.94,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33582,
    "c": 0.11072,
    "h": 28.9
  },
  "luminance": 0.03363
}

Semantic roles & 50–950 ramp

primary
#641711
secondary
#35959C
accent
#E1EE3A
background
#FAF5F4
surface
#F3E9E7
border
#CDC5C3
text
#0F0402
muted
#7F7978

Preview Lab

Preview with #641711

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

Preview Lab → · Contrast checker → · Palette generator →

#641711 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva