#A43A23#A43A23

#A43A23 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.145 H 33.8°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#A43A23
RGB	rgb(164, 58, 35)
HSL	hsl(11, 65%, 39%)
HSV	hsv(11, 79%, 64%)
CMYK	cmyk(0%, 64.6%, 78.7%, 35.7%)
CIE-LAB	lab(39.65, 42.54, 36.78)
CIE-LCH	lch(39.65, 56.24, 40.85°)
OKLab	oklab(49.59% 0.1203 0.0807)
OKLCH	oklch(49.59% 0.145 33.8)
XYZ	xyz(17.1282, 11.0424, 2.8193)
Luminance	0.1104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43A23 #238DA4

analogous

#A4234D #A43A23 #A47B23

triadic

#A43A23 #23A43A #3A23A4

tetradic

#A43A23 #4DA423 #238DA4 #7B23A4

square

#A43A23 #4DA423 #238DA4 #7B23A4

split-complementary

#A43A23 #23A47B #234DA4

monochromatic

#3F160D #722818 #A43A23 #D34E31 #DE7964

Accessibility & contrast

On white

6.55

#A43A23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A43A23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43A23

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43A23	#FFFFFF	#000000	##FFFFFF
##A43A23	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F20

Deuteranopia (green-blind)

#72661F

Tritanopia (blue-blind)

#B51E35

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a43a23;
/* rgb */ color: rgb(164, 58, 35);
/* oklch */ color: oklch(49.6% 0.145 33.8);

Tailwind

colors: {
  custom: {
    50: '#c7755f',
    500: '#a43a23',
    950: '#000000',
  },
}

SCSS

$custom: #a43a23;
$custom-light: #c7755f;
$custom-dark: #000000;

JSON

{
  "hex": "#a43a23",
  "rgb": {
    "r": 164,
    "g": 58,
    "b": 35
  },
  "hsl": {
    "h": 10.698,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.49594,
    "c": 0.14486,
    "h": 33.8
  },
  "luminance": 0.1104
}

Semantic roles & 50–950 ramp

primary

#A43A23

secondary

#60B1C3

accent

#CAE840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A43A23

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

Preview Lab → · Contrast checker → · Palette generator →