#A43121#A43121

#A43121 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.154 H 31.0°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#A43121
RGB	rgb(164, 49, 33)
HSL	hsl(7, 66%, 39%)
HSV	hsv(7, 80%, 64%)
CMYK	cmyk(0%, 70.1%, 79.9%, 35.7%)
CIE-LAB	lab(38.20, 46.33, 36.39)
CIE-LCH	lch(38.20, 58.91, 38.14°)
OKLab	oklab(48.5% 0.1317 0.0792)
OKLCH	oklch(48.5% 0.154 31)
XYZ	xyz(16.6846, 10.2015, 2.5291)
Luminance	0.1020 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43121 #2194A4

analogous

#A42152 #A43121 #A47221

triadic

#A43121 #21A431 #3121A4

tetradic

#A43121 #52A421 #2194A4 #7221A4

square

#A43121 #52A421 #2194A4 #7221A4

split-complementary

#A43121 #21A472 #2152A4

monochromatic

#3E130C #712217 #A43121 #D5422D #DF7060

Accessibility & contrast

On white

6.91

#A43121 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#A43121 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43121

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43121	#FFFFFF	#000000	##FFFFFF
##A43121	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A1E

Deuteranopia (green-blind)

#6F631C

Tritanopia (blue-blind)

#B5062E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a43121;
/* rgb */ color: rgb(164, 49, 33);
/* oklch */ color: oklch(48.5% 0.154 31.0);

Tailwind

colors: {
  custom: {
    50: '#c7705e',
    500: '#a43121',
    950: '#000000',
  },
}

SCSS

$custom: #a43121;
$custom-light: #c7705e;
$custom-dark: #000000;

JSON

{
  "hex": "#a43121",
  "rgb": {
    "r": 164,
    "g": 49,
    "b": 33
  },
  "hsl": {
    "h": 7.328,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.48498,
    "c": 0.1537,
    "h": 31
  },
  "luminance": 0.10199
}

Semantic roles & 50–950 ramp

primary

#A43121

secondary

#5DB7C4

accent

#D5E93E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A43121

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

Preview Lab → · Contrast checker → · Palette generator →