#A53B21#A53B21

#A53B21 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.9% C 0.145 H 34.9°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#A53B21
RGB	rgb(165, 59, 33)
HSL	hsl(12, 67%, 39%)
HSV	hsv(12, 80%, 65%)
CMYK	cmyk(0%, 64.2%, 80%, 35.3%)
CIE-LAB	lab(39.98, 42.38, 38.24)
CIE-LCH	lch(39.98, 57.08, 42.06°)
OKLab	oklab(49.87% 0.1193 0.0832)
OKLCH	oklch(49.87% 0.145 34.9)
XYZ	xyz(17.3575, 11.2396, 2.6940)
Luminance	0.1124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A53B21 #218BA5

analogous

#A52149 #A53B21 #A57D21

triadic

#A53B21 #21A53B #3B21A5

tetradic

#A53B21 #49A521 #218BA5 #7D21A5

square

#A53B21 #49A521 #218BA5 #7D21A5

split-complementary

#A53B21 #21A57D #2149A5

monochromatic

#3F170D #722917 #A53B21 #D54F2E #DF7A61

Accessibility & contrast

On white

6.47

#A53B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#A53B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53B21

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A53B21	#FFFFFF	#000000	##FFFFFF
##A53B21	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F1D

Deuteranopia (green-blind)

#73671D

Tritanopia (blue-blind)

#B61F36

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a53b21;
/* rgb */ color: rgb(165, 59, 33);
/* oklch */ color: oklch(49.9% 0.145 34.9);

Tailwind

colors: {
  custom: {
    50: '#c8765e',
    500: '#a53b21',
    950: '#000000',
  },
}

SCSS

$custom: #a53b21;
$custom-light: #c8765e;
$custom-dark: #000000;

JSON

{
  "hex": "#a53b21",
  "rgb": {
    "r": 165,
    "g": 59,
    "b": 33
  },
  "hsl": {
    "h": 11.818,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49869,
    "c": 0.14545,
    "h": 34.9
  },
  "luminance": 0.11237
}

Semantic roles & 50–950 ramp

primary

#A53B21

secondary

#5EB0C4

accent

#C8EA3E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A53B21

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

Preview Lab → · Contrast checker → · Palette generator →