#A43B23#A43B23

#A43B23 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.144 H 34.3°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#A43B23
RGB	rgb(164, 59, 35)
HSL	hsl(11, 65%, 39%)
HSV	hsv(11, 79%, 64%)
CMYK	cmyk(0%, 64%, 78.7%, 35.7%)
CIE-LAB	lab(39.82, 42.09, 36.96)
CIE-LCH	lch(39.82, 56.01, 41.29°)
OKLab	oklab(49.72% 0.1189 0.0811)
OKLCH	oklch(49.72% 0.144 34.3)
XYZ	xyz(17.1791, 11.1442, 2.8362)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43B23 #238CA4

analogous

#A4234C #A43B23 #A47C23

triadic

#A43B23 #23A43B #3B23A4

tetradic

#A43B23 #4CA423 #238CA4 #7C23A4

square

#A43B23 #4CA423 #238CA4 #7C23A4

split-complementary

#A43B23 #23A47C #234CA4

monochromatic

#3F170D #722918 #A43B23 #D34F31 #DE7A64

Accessibility & contrast

On white

6.50

#A43B23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A43B23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43B23

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43B23	#FFFFFF	#000000	##FFFFFF
##A43B23	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F20

Deuteranopia (green-blind)

#73661F

Tritanopia (blue-blind)

#B52036

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a43b23;
/* rgb */ color: rgb(164, 59, 35);
/* oklch */ color: oklch(49.7% 0.144 34.3);

Tailwind

colors: {
  custom: {
    50: '#c7765f',
    500: '#a43b23',
    950: '#000000',
  },
}

SCSS

$custom: #a43b23;
$custom-light: #c7765f;
$custom-dark: #000000;

JSON

{
  "hex": "#a43b23",
  "rgb": {
    "r": 164,
    "g": 59,
    "b": 35
  },
  "hsl": {
    "h": 11.163,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.49722,
    "c": 0.14391,
    "h": 34.3
  },
  "luminance": 0.11142
}

Semantic roles & 50–950 ramp

primary

#A43B23

secondary

#60B1C3

accent

#C9E840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A43B23

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

Preview Lab → · Contrast checker → · Palette generator →