#AA231E#AA231E

#AA231E is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.2% C 0.172 H 28.0°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX#AA231E
RGBrgb(170, 35, 30)
HSLhsl(2, 70%, 39%)
HSVhsv(2, 82%, 67%)
CMYKcmyk(0%, 79.4%, 82.4%, 33.3%)
CIE-LABlab(37.56, 53.12, 37.78)
CIE-LCHlch(37.56, 65.18, 35.42°)
OKLaboklab(48.22% 0.1517 0.0807)
OKLCHoklch(48.22% 0.172 28)
XYZxyz(17.4151, 9.8447, 2.2113)
Luminance0.0984 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#AA231E #1EA5AA
analogous
#AA1E5F #AA231E #AA691E
triadic
#AA231E #1EAA23 #231EAA
tetradic
#AA231E #5FAA1E #1EA5AA #691EAA
square
#AA231E #5FAA1E #1EA5AA #691EAA
split-complementary
#AA231E #1EAA69 #1E5FAA
monochromatic
#420E0C #761815 #AA231E #DA322C #E36460

Accessibility & contrast

On white

7.07
#AA231E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.97
#AA231E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA231E
7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##AA231E#FFFFFF#000000##FFFFFF
##AA231E1.007.072.977.07
#FFFFFF7.071.0021.001.00
#0000002.9721.001.0021.00
##FFFFFF7.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4E461C
Deuteranopia (green-blind)
#6F6317
Tritanopia (blue-blind)
#BC0024
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #aa231e;
/* rgb */ color: rgb(170, 35, 30);
/* oklch */ color: oklch(48.2% 0.172 28.0);
Tailwind
colors: {
  custom: {
    50: '#cd6b5b',
    500: '#aa231e',
    950: '#000000',
  },
}
SCSS
$custom: #aa231e;
$custom-light: #cd6b5b;
$custom-dark: #000000;
JSON
{
  "hex": "#aa231e",
  "rgb": {
    "r": 170,
    "g": 35,
    "b": 30
  },
  "hsl": {
    "h": 2.143,
    "s": 70,
    "l": 39.216
  },
  "oklch": {
    "l": 0.48223,
    "c": 0.1718,
    "h": 28
  },
  "luminance": 0.09842
}

Semantic roles & 50–950 ramp

primary
#AA231E
secondary
#5CC4C7
accent
#E6ED3B
background
#FDF6F5
surface
#FBECE9
border
#D4C7C5
text
#150704
muted
#837A79

Preview Lab

Preview with #AA231E

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

Preview Lab → · Contrast checker → · Palette generator →

#AA231E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva