#A73B23#A73B23

#A73B23 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.147 H 34.0°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#A73B23
RGB	rgb(167, 59, 35)
HSL	hsl(11, 65%, 40%)
HSV	hsv(11, 79%, 65%)
CMYK	cmyk(0%, 64.7%, 79%, 34.5%)
CIE-LAB	lab(40.36, 43.18, 37.68)
CIE-LCH	lch(40.36, 57.30, 41.11°)
OKLab	oklab(50.22% 0.122 0.0824)
OKLCH	oklch(50.22% 0.147 34)
XYZ	xyz(17.8057, 11.4673, 2.8656)
Luminance	0.1147 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A73B23 #238FA7

analogous

#A7234D #A73B23 #A77D23

triadic

#A73B23 #23A73B #3B23A7

tetradic

#A73B23 #4DA723 #238FA7 #7D23A7

square

#A73B23 #4DA723 #238FA7 #7D23A7

split-complementary

#A73B23 #23A77D #234DA7

monochromatic

#42170E #742918 #A73B23 #D45033 #DF7C66

Accessibility & contrast

On white

6.38

#A73B23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A73B23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A73B23

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A73B23	#FFFFFF	#000000	##FFFFFF
##A73B23	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5020

Deuteranopia (green-blind)

#74681F

Tritanopia (blue-blind)

#B81E36

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a73b23;
/* rgb */ color: rgb(167, 59, 35);
/* oklch */ color: oklch(50.2% 0.147 34.0);

Tailwind

colors: {
  custom: {
    50: '#c97660',
    500: '#a73b23',
    950: '#000000',
  },
}

SCSS

$custom: #a73b23;
$custom-light: #c97660;
$custom-dark: #000000;

JSON

{
  "hex": "#a73b23",
  "rgb": {
    "r": 167,
    "g": 59,
    "b": 35
  },
  "hsl": {
    "h": 10.909,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.50225,
    "c": 0.1472,
    "h": 34
  },
  "luminance": 0.11465
}

Semantic roles & 50–950 ramp

primary

#A73B23

secondary

#61B2C4

accent

#CAE83F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #A73B23

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

Preview Lab → · Contrast checker → · Palette generator →