#A72B23#A72B23

#A72B23 is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.4% C 0.162 H 28.4°. Best body text is #FFFFFF at 6.97:1 contrast (WCAG AA passes).

Color values

HEX	#A72B23
RGB	rgb(167, 43, 35)
HSL	hsl(4, 65%, 40%)
HSV	hsv(4, 79%, 65%)
CMYK	cmyk(0%, 74.3%, 79%, 34.5%)
CIE-LAB	lab(37.96, 49.70, 35.21)
CIE-LCH	lch(37.96, 60.90, 35.32°)
OKLab	oklab(48.43% 0.1423 0.077)
OKLCH	oklch(48.43% 0.162 28.4)
XYZ	xyz(17.1056, 10.0673, 2.6323)
Luminance	0.1007 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A72B23 #239FA7

analogous

#A7235D #A72B23 #A76D23

triadic

#A72B23 #23A72B #2B23A7

tetradic

#A72B23 #5DA723 #239FA7 #6D23A7

square

#A72B23 #5DA723 #239FA7 #6D23A7

split-complementary

#A72B23 #23A76D #235DA7

monochromatic

#42110E #741E18 #A72B23 #D43D33 #DF6D66

Accessibility & contrast

On white

6.97

#A72B23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#A72B23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A72B23

6.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A72B23	#FFFFFF	#000000	##FFFFFF
##A72B23	1.00	6.97	3.01	6.97
#FFFFFF	6.97	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504821

Deuteranopia (green-blind)

#6F631E

Tritanopia (blue-blind)

#B8002A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a72b23;
/* rgb */ color: rgb(167, 43, 35);
/* oklch */ color: oklch(48.4% 0.162 28.4);

Tailwind

colors: {
  custom: {
    50: '#ca6e5f',
    500: '#a72b23',
    950: '#000000',
  },
}

SCSS

$custom: #a72b23;
$custom-light: #ca6e5f;
$custom-dark: #000000;

JSON

{
  "hex": "#a72b23",
  "rgb": {
    "r": 167,
    "g": 43,
    "b": 35
  },
  "hsl": {
    "h": 3.636,
    "s": 65.347,
    "l": 39.608
  },
  "oklch": {
    "l": 0.48431,
    "c": 0.16181,
    "h": 28.4
  },
  "luminance": 0.10065
}

Semantic roles & 50–950 ramp

primary

#A72B23

secondary

#61BEC4

accent

#DEE83F

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A72B23

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

Preview Lab → · Contrast checker → · Palette generator →