#A6383E#A6383E

#A6383E is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.1% C 0.145 H 21.0°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX#A6383E
RGBrgb(166, 56, 62)
HSLhsl(357, 50%, 44%)
HSVhsv(357, 66%, 65%)
CMYKcmyk(0%, 66.3%, 62.7%, 34.9%)
CIE-LABlab(40.06, 45.57, 21.46)
CIE-LCHlch(40.06, 50.36, 25.22°)
OKLaboklab(50.09% 0.135 0.0517)
OKLCHoklch(50.09% 0.145 21)
XYZxyz(18.0113, 11.2856, 5.7864)
Luminance0.1128 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A6383E #38A6A0
analogous
#A63875 #A6383E #A66938
triadic
#A6383E #3EA638 #383EA6
tetradic
#A6383E #75A638 #38A6A0 #6938A6
square
#A6383E #75A638 #38A6A0 #6938A6
split-complementary
#A6383E #38A669 #3875A6
monochromatic
#4A191C #78292D #A6383E #C6555C #D58388

Accessibility & contrast

On white

6.45
#A6383E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.26
#A6383E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6383E
6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A6383E#FFFFFF#000000##FFFFFF
##A6383E1.006.453.266.45
#FFFFFF6.451.0021.001.00
#0000003.2621.001.0021.00
##FFFFFF6.451.0021.001.00

Color blindness preview

Protanopia (red-blind)
#55503D
Deuteranopia (green-blind)
#70673B
Tritanopia (blue-blind)
#B61F3B
Achromatopsia (no color)
#5E5E5E

Design tokens & code

CSS
--color: #a6383e;
/* rgb */ color: rgb(166, 56, 62);
/* oklch */ color: oklch(50.1% 0.145 21.0);
Tailwind
colors: {
  custom: {
    50: '#c77573',
    500: '#a6383e',
    950: '#000000',
  },
}
SCSS
$custom: #a6383e;
$custom-light: #c77573;
$custom-dark: #000000;
JSON
{
  "hex": "#a6383e",
  "rgb": {
    "r": 166,
    "g": 56,
    "b": 62
  },
  "hsl": {
    "h": 356.727,
    "s": 49.55,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50087,
    "c": 0.14459,
    "h": 21
  },
  "luminance": 0.11283
}

Semantic roles & 50–950 ramp

primary
#A6383E
secondary
#7BBFBB
accent
#D9D24F
background
#FDF7F6
surface
#FAEDEC
border
#D3C8C7
text
#140908
muted
#837B7B

Preview Lab

Preview with #A6383E

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

Preview Lab → · Contrast checker → · Palette generator →

#A6383E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva