#A13821#A13821

#A13821 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.144 H 33.9°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX#A13821
RGBrgb(161, 56, 33)
HSLhsl(11, 66%, 38%)
HSVhsv(11, 80%, 63%)
CMYKcmyk(0%, 65.2%, 79.5%, 36.9%)
CIE-LABlab(38.76, 42.28, 36.77)
CIE-LCHlch(38.76, 56.03, 41.02°)
OKLaboklab(48.81% 0.1194 0.0803)
OKLCHoklch(48.81% 0.144 33.9)
XYZxyz(16.3884, 10.5176, 2.6057)
Luminance0.1051 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A13821 #218AA1
analogous
#A1214A #A13821 #A17821
triadic
#A13821 #21A138 #3821A1
tetradic
#A13821 #4AA121 #218AA1 #7821A1
square
#A13821 #4AA121 #218AA1 #7821A1
split-complementary
#A13821 #21A178 #214AA1
monochromatic
#3B150C #6E2617 #A13821 #D44A2C #DE755E

Accessibility & contrast

On white

6.77
#A13821 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.10
#A13821 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13821
6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A13821#FFFFFF#000000##FFFFFF
##A138211.006.773.106.77
#FFFFFF6.771.0021.001.00
#0000003.1021.001.0021.00
##FFFFFF6.771.0021.001.00

Color blindness preview

Protanopia (red-blind)
#564D1E
Deuteranopia (green-blind)
#70641D
Tritanopia (blue-blind)
#B11B33
Achromatopsia (no color)
#5B5B5B

Design tokens & code

CSS
--color: #a13821;
/* rgb */ color: rgb(161, 56, 33);
/* oklch */ color: oklch(48.8% 0.144 33.9);
Tailwind
colors: {
  custom: {
    50: '#c5745e',
    500: '#a13821',
    950: '#000000',
  },
}
SCSS
$custom: #a13821;
$custom-light: #c5745e;
$custom-dark: #000000;
JSON
{
  "hex": "#a13821",
  "rgb": {
    "r": 161,
    "g": 56,
    "b": 33
  },
  "hsl": {
    "h": 10.781,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.48811,
    "c": 0.14391,
    "h": 33.9
  },
  "luminance": 0.10515
}

Semantic roles & 50–950 ramp

primary
#A13821
secondary
#5BB0C3
accent
#CAE93F
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79

Preview Lab

Preview with #A13821

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

Preview Lab → · Contrast checker → · Palette generator →

#A13821 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva