#A6391E#A6391E

#A6391E is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.149 H 34.9°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX#A6391E
RGBrgb(166, 57, 30)
HSLhsl(12, 69%, 38%)
HSVhsv(12, 82%, 65%)
CMYKcmyk(0%, 65.7%, 81.9%, 34.9%)
CIE-LABlab(39.80, 43.54, 39.67)
CIE-LCHlch(39.80, 58.90, 42.34°)
OKLaboklab(49.76% 0.1223 0.0853)
OKLCHoklch(49.76% 0.149 34.9)
XYZxyz(17.4253, 11.1295, 2.4587)
Luminance0.1113 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A6391E #1E8BA6
analogous
#A61E47 #A6391E #A67D1E
triadic
#A6391E #1EA639 #391EA6
tetradic
#A6391E #47A61E #1E8BA6 #7D1EA6
square
#A6391E #47A61E #1E8BA6 #7D1EA6
split-complementary
#A6391E #1EA67D #1E47A6
monochromatic
#3E150B #722715 #A6391E #D84C29 #E2775D

Accessibility & contrast

On white

6.51
#A6391E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.23
#A6391E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6391E
6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A6391E#FFFFFF#000000##FFFFFF
##A6391E1.006.513.236.51
#FFFFFF6.511.0021.001.00
#0000003.2321.001.0021.00
##FFFFFF6.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#584E1A
Deuteranopia (green-blind)
#736719
Tritanopia (blue-blind)
#B71A34
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #a6391e;
/* rgb */ color: rgb(166, 57, 30);
/* oklch */ color: oklch(49.8% 0.149 34.9);
Tailwind
colors: {
  custom: {
    50: '#c9755c',
    500: '#a6391e',
    950: '#000000',
  },
}
SCSS
$custom: #a6391e;
$custom-light: #c9755c;
$custom-dark: #000000;
JSON
{
  "hex": "#a6391e",
  "rgb": {
    "r": 166,
    "g": 57,
    "b": 30
  },
  "hsl": {
    "h": 11.912,
    "s": 69.388,
    "l": 38.431
  },
  "oklch": {
    "l": 0.49756,
    "c": 0.14904,
    "h": 34.9
  },
  "luminance": 0.11127
}

Semantic roles & 50–950 ramp

primary
#A6391E
secondary
#5AB0C6
accent
#C9EC3C
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#150904
muted
#837B79

Preview Lab

Preview with #A6391E

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

Preview Lab → · Contrast checker → · Palette generator →

#A6391E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva