#A63E2E#A63E2E

#A63E2E is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.6% C 0.141 H 31.2°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX#A63E2E
RGBrgb(166, 62, 46)
HSLhsl(8, 57%, 42%)
HSVhsv(8, 72%, 65%)
CMYKcmyk(0%, 62.7%, 72.3%, 34.9%)
CIE-LABlab(40.82, 41.92, 31.99)
CIE-LCHlch(40.82, 52.73, 37.35°)
OKLaboklab(50.58% 0.1204 0.0729)
OKLCHoklch(50.58% 0.141 31.2)
XYZxyz(17.9435, 11.7520, 3.9077)
Luminance0.1175 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A63E2E #2E96A6
analogous
#A62E5A #A63E2E #A67A2E
triadic
#A63E2E #2EA63E #3E2EA6
tetradic
#A63E2E #5AA62E #2E96A6 #7A2EA6
square
#A63E2E #5AA62E #2E96A6 #7A2EA6
split-complementary
#A63E2E #2EA67A #2E5AA6
monochromatic
#461A13 #762C21 #A63E2E #CC5746 #D98376

Accessibility & contrast

On white

6.27
#A63E2E on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

3.35
#A63E2E on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63E2E
6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A63E2E#FFFFFF#000000##FFFFFF
##A63E2E1.006.273.356.27
#FFFFFF6.271.0021.001.00
#0000003.3521.001.0021.00
##FFFFFF6.271.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5A522C
Deuteranopia (green-blind)
#74692B
Tritanopia (blue-blind)
#B6263B
Achromatopsia (no color)
#606060

Design tokens & code

CSS
--color: #a63e2e;
/* rgb */ color: rgb(166, 62, 46);
/* oklch */ color: oklch(50.6% 0.141 31.2);
Tailwind
colors: {
  custom: {
    50: '#c77867',
    500: '#a63e2e',
    950: '#000000',
  },
}
SCSS
$custom: #a63e2e;
$custom-light: #c77867;
$custom-dark: #000000;
JSON
{
  "hex": "#a63e2e",
  "rgb": {
    "r": 166,
    "g": 62,
    "b": 46
  },
  "hsl": {
    "h": 8,
    "s": 56.604,
    "l": 41.569
  },
  "oklch": {
    "l": 0.5058,
    "c": 0.14068,
    "h": 31.2
  },
  "luminance": 0.11749
}

Semantic roles & 50–950 ramp

primary
#A63E2E
secondary
#6FB6C1
accent
#CCE048
background
#FDF7F6
surface
#FAEDEB
border
#D3C8C6
text
#140906
muted
#837B7A

Preview Lab

Preview with #A63E2E

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

Preview Lab → · Contrast checker → · Palette generator →

#A63E2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva