#A03121#A03121

#A03121 is a mid, vivid red. Relative luminance 0.098; OKLCH L 47.8% C 0.149 H 31.2°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX#A03121
RGBrgb(160, 49, 33)
HSLhsl(8, 66%, 38%)
HSVhsv(8, 79%, 63%)
CMYKcmyk(0%, 69.4%, 79.4%, 37.3%)
CIE-LABlab(37.45, 44.95, 35.38)
CIE-LCHlch(37.45, 57.20, 38.20°)
OKLaboklab(47.8% 0.1279 0.0774)
OKLCHoklch(47.8% 0.149 31.2)
XYZxyz(15.8718, 9.7824, 2.4910)
Luminance0.0978 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A03121 #2190A0
analogous
#A02150 #A03121 #A07021
triadic
#A03121 #21A031 #3121A0
tetradic
#A03121 #50A021 #2190A0 #7021A0
square
#A03121 #50A021 #2190A0 #7021A0
split-complementary
#A03121 #21A070 #2150A0
monochromatic
#3B120C #6D2117 #A03121 #D3412B #DE6E5E

Accessibility & contrast

On white

7.10
#A03121 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.96
#A03121 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A03121
7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A03121#FFFFFF#000000##FFFFFF
##A031211.007.102.967.10
#FFFFFF7.101.0021.001.00
#0000002.9621.001.0021.00
##FFFFFF7.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#51491E
Deuteranopia (green-blind)
#6D611C
Tritanopia (blue-blind)
#B00B2E
Achromatopsia (no color)
#585858

Design tokens & code

CSS
--color: #a03121;
/* rgb */ color: rgb(160, 49, 33);
/* oklch */ color: oklch(47.8% 0.149 31.2);
Tailwind
colors: {
  custom: {
    50: '#c4705d',
    500: '#a03121',
    950: '#000000',
  },
}
SCSS
$custom: #a03121;
$custom-light: #c4705d;
$custom-dark: #000000;
JSON
{
  "hex": "#a03121",
  "rgb": {
    "r": 160,
    "g": 49,
    "b": 33
  },
  "hsl": {
    "h": 7.559,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.47795,
    "c": 0.14943,
    "h": 31.2
  },
  "luminance": 0.0978
}

Semantic roles & 50–950 ramp

primary
#A03121
secondary
#5BB5C2
accent
#D3E93F
background
#FDF7F5
surface
#FAEDE9
border
#D3C8C5
text
#140804
muted
#837B79

Preview Lab

Preview with #A03121

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

Preview Lab → · Contrast checker → · Palette generator →

#A03121 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva