#641616#641616

#641616 is a dark, moderate red. Relative luminance 0.033; OKLCH L 33.5% C 0.111 H 25.5°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX#641616
RGBrgb(100, 22, 22)
HSLhsl(0, 64%, 24%)
HSVhsv(0, 78%, 39%)
CMYKcmyk(0%, 78%, 78%, 60.8%)
CIE-LABlab(21.36, 34.52, 21.13)
CIE-LCHlch(21.36, 40.47, 31.47°)
OKLaboklab(33.54% 0.1001 0.0478)
OKLCHoklch(33.54% 0.111 25.5)
XYZxyz(5.6879, 3.3419, 1.1045)
Luminance0.0334 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#641616 #166464
analogous
#64163D #641616 #643D16
triadic
#641616 #166416 #161664
tetradic
#641616 #3D6416 #166464 #3D1664
square
#641616 #3D6416 #166464 #3D1664
split-complementary
#641616 #16643D #163D64
monochromatic
#190606 #320B0B #641616 #962121 #C82C2C

Accessibility & contrast

On white

12.59
#641616 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.67
#641616 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641616
12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##641616#FFFFFF#000000##FFFFFF
##6416161.0012.591.6712.59
#FFFFFF12.591.0021.001.00
#0000001.6721.001.0021.00
##FFFFFF12.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#2D2915
Deuteranopia (green-blind)
#403913
Tritanopia (blue-blind)
#6F0017
Achromatopsia (no color)
#333333

Design tokens & code

CSS
--color: #641616;
/* rgb */ color: rgb(100, 22, 22);
/* oklch */ color: oklch(33.5% 0.111 25.5);
Tailwind
colors: {
  custom: {
    50: '#975a53',
    500: '#641616',
    950: '#000000',
  },
}
SCSS
$custom: #641616;
$custom-light: #975a53;
$custom-dark: #000000;
JSON
{
  "hex": "#641616",
  "rgb": {
    "r": 100,
    "g": 22,
    "b": 22
  },
  "hsl": {
    "h": 0,
    "s": 63.934,
    "l": 23.922
  },
  "oklch": {
    "l": 0.33543,
    "c": 0.11091,
    "h": 25.5
  },
  "luminance": 0.03341
}

Semantic roles & 50–950 ramp

primary
#641616
secondary
#3B9B9B
accent
#E7E741
background
#F9F5F4
surface
#F2E9E7
border
#CCC5C3
text
#0F0402
muted
#7E7978

Preview Lab

Preview with #641616

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

Preview Lab → · Contrast checker → · Palette generator →

#641616 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva