#A13A23#A13A23

#A13A23 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.1% C 0.142 H 34.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX#A13A23
RGBrgb(161, 58, 35)
HSLhsl(11, 64%, 38%)
HSVhsv(11, 78%, 63%)
CMYKcmyk(0%, 64%, 78.3%, 36.9%)
CIE-LABlab(39.12, 41.44, 36.06)
CIE-LCHlch(39.12, 54.94, 41.03°)
OKLaboklab(49.09% 0.1172 0.0794)
OKLCHoklch(49.09% 0.142 34.1)
XYZxyz(16.5162, 10.7269, 2.7906)
Luminance0.1072 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A13A23 #238AA1
analogous
#A1234B #A13A23 #A17923
triadic
#A13A23 #23A13A #3A23A1
tetradic
#A13A23 #4BA123 #238AA1 #7923A1
square
#A13A23 #4BA123 #238AA1 #7923A1
split-complementary
#A13A23 #23A179 #234BA1
monochromatic
#3C160D #6F2818 #A13A23 #D24D2F #DD7862

Accessibility & contrast

On white

6.68
#A13A23 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.15
#A13A23 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13A23
6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A13A23#FFFFFF#000000##FFFFFF
##A13A231.006.683.156.68
#FFFFFF6.681.0021.001.00
#0000003.1521.001.0021.00
##FFFFFF6.681.0021.001.00

Color blindness preview

Protanopia (red-blind)
#574E20
Deuteranopia (green-blind)
#70651F
Tritanopia (blue-blind)
#B11F35
Achromatopsia (no color)
#5C5C5C

Design tokens & code

CSS
--color: #a13a23;
/* rgb */ color: rgb(161, 58, 35);
/* oklch */ color: oklch(49.1% 0.142 34.1);
Tailwind
colors: {
  custom: {
    50: '#c4755f',
    500: '#a13a23',
    950: '#000000',
  },
}
SCSS
$custom: #a13a23;
$custom-light: #c4755f;
$custom-dark: #000000;
JSON
{
  "hex": "#a13a23",
  "rgb": {
    "r": 161,
    "g": 58,
    "b": 35
  },
  "hsl": {
    "h": 10.952,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4909,
    "c": 0.14155,
    "h": 34.1
  },
  "luminance": 0.10725
}

Semantic roles & 50–950 ramp

primary
#A13A23
secondary
#5EB0C2
accent
#C9E741
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140905
muted
#837B79

Preview Lab

Preview with #A13A23

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

Preview Lab → · Contrast checker → · Palette generator →

#A13A23 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva