#A01723#A01723

#A01723 is a mid, vivid red. Relative luminance 0.082; OKLCH L 45.5% C 0.170 H 23.8°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX#A01723
RGBrgb(160, 23, 35)
HSLhsl(355, 75%, 36%)
HSVhsv(355, 86%, 63%)
CMYKcmyk(0%, 85.6%, 78.1%, 37.3%)
CIE-LABlab(34.42, 53.54, 31.01)
CIE-LCHlch(34.42, 61.87, 30.08°)
OKLaboklab(45.54% 0.1553 0.0684)
OKLCHoklch(45.54% 0.17 23.8)
XYZxyz(15.1088, 8.2102, 2.3790)
Luminance0.0821 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A01723 #17A094
analogous
#A01767 #A01723 #A05017
triadic
#A01723 #23A017 #1723A0
tetradic
#A01723 #67A017 #17A094 #5017A0
square
#A01723 #67A017 #17A094 #5017A0
split-complementary
#A01723 #17A050 #1767A0
monochromatic
#35080C #6A0F17 #A01723 #D61F2F #E54C5A

Accessibility & contrast

On white

7.95
#A01723 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.64
#A01723 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01723
7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A01723#FFFFFF#000000##FFFFFF
##A017231.007.952.647.95
#FFFFFF7.951.0021.001.00
#0000002.6421.001.0021.00
##FFFFFF7.951.0021.001.00

Color blindness preview

Protanopia (red-blind)
#453E22
Deuteranopia (green-blind)
#665B1D
Tritanopia (blue-blind)
#B1001E
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #a01723;
/* rgb */ color: rgb(160, 23, 35);
/* oklch */ color: oklch(45.5% 0.170 23.8);
Tailwind
colors: {
  custom: {
    50: '#c5655e',
    500: '#a01723',
    950: '#000000',
  },
}
SCSS
$custom: #a01723;
$custom-light: #c5655e;
$custom-dark: #000000;
JSON
{
  "hex": "#a01723",
  "rgb": {
    "r": 160,
    "g": 23,
    "b": 35
  },
  "hsl": {
    "h": 354.745,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45544,
    "c": 0.16972,
    "h": 23.8
  },
  "luminance": 0.08208
}

Semantic roles & 50–950 ramp

primary
#A01723
secondary
#4CC7BC
accent
#F1E136
background
#FDF6F5
surface
#FAEBE9
border
#D3C6C5
text
#150604
muted
#837A79

Preview Lab

Preview with #A01723

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

Preview Lab → · Contrast checker → · Palette generator →

#A01723 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva