#A4233B#A4233B

#A4233B is a mid, vivid red. Relative luminance 0.094; OKLCH L 47.5% C 0.164 H 16.3°. Best body text is #FFFFFF at 7.29:1 contrast (WCAG AA passes).

Color values

HEX#A4233B
RGBrgb(164, 35, 59)
HSLhsl(349, 65%, 39%)
HSVhsv(349, 79%, 64%)
CMYKcmyk(0%, 78.7%, 64%, 35.7%)
CIE-LABlab(36.77, 52.61, 19.01)
CIE-LCHlch(36.77, 55.94, 19.86°)
OKLaboklab(47.55% 0.1572 0.0459)
OKLCHoklch(47.55% 0.164 16.3)
XYZxyz(16.7021, 9.4129, 5.0742)
Luminance0.0941 (WCAG relative)
Temperaturewarm
Familyred

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#A4233B #23A48C
analogous
#A4237C #A4233B #A44C23
triadic
#A4233B #3BA423 #233BA4
tetradic
#A4233B #7CA423 #23A48C #4C23A4
square
#A4233B #7CA423 #23A48C #4C23A4
split-complementary
#A4233B #23A44C #237CA4
monochromatic
#3F0D17 #721829 #A4233B #D3314F #DE647A

Accessibility & contrast

On white

7.29
#A4233B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.88
#A4233B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A4233B
7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##A4233B#FFFFFF#000000##FFFFFF
##A4233B1.007.292.887.29
#FFFFFF7.291.0021.001.00
#0000002.8821.001.0021.00
##FFFFFF7.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#48453B
Deuteranopia (green-blind)
#696037
Tritanopia (blue-blind)
#B4002D
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #a4233b;
/* rgb */ color: rgb(164, 35, 59);
/* oklch */ color: oklch(47.5% 0.164 16.3);
Tailwind
colors: {
  custom: {
    50: '#c66b70',
    500: '#a4233b',
    950: '#000000',
  },
}
SCSS
$custom: #a4233b;
$custom-light: #c66b70;
$custom-dark: #000000;
JSON
{
  "hex": "#a4233b",
  "rgb": {
    "r": 164,
    "g": 35,
    "b": 59
  },
  "hsl": {
    "h": 348.837,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.4755,
    "c": 0.16375,
    "h": 16.3
  },
  "luminance": 0.0941
}

Semantic roles & 50–950 ramp

primary
#A4233B
secondary
#60C3B1
accent
#E8C940
background
#FDF6F6
surface
#FAECEC
border
#D3C7C7
text
#140707
muted
#837A7A

Preview Lab

Preview with #A4233B

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

Preview Lab → · Contrast checker → · Palette generator →

#A4233B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva