#A43633#A43633

#A43633 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.146 H 25.6°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#A43633
RGB	rgb(164, 54, 51)
HSL	hsl(2, 53%, 42%)
HSV	hsv(2, 69%, 64%)
CMYK	cmyk(0%, 67.1%, 68.9%, 35.7%)
CIE-LAB	lab(39.19, 45.06, 27.04)
CIE-LCH	lch(39.19, 52.55, 30.96°)
OKLab	oklab(49.31% 0.1315 0.063)
OKLCH	oklch(49.31% 0.146 25.6)
XYZ	xyz(17.2283, 10.7723, 4.3034)
Luminance	0.1077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43633 #33A1A4

analogous

#A43369 #A43633 #A46F33

triadic

#A43633 #33A436 #3633A4

tetradic

#A43633 #69A433 #33A1A4 #6F33A4

square

#A43633 #69A433 #33A1A4 #6F33A4

split-complementary

#A43633 #33A46F #3369A4

monochromatic

#471716 #752724 #A43633 #C8504D #D67E7B

Accessibility & contrast

On white

6.66

#A43633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A43633 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43633

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43633	#FFFFFF	#000000	##FFFFFF
##A43633	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D32

Deuteranopia (green-blind)

#706530

Tritanopia (blue-blind)

#B41A36

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a43633;
/* rgb */ color: rgb(164, 54, 51);
/* oklch */ color: oklch(49.3% 0.146 25.6);

Tailwind

colors: {
  custom: {
    50: '#c6736b',
    500: '#a43633',
    950: '#000000',
  },
}

SCSS

$custom: #a43633;
$custom-light: #c6736b;
$custom-dark: #000000;

JSON

{
  "hex": "#a43633",
  "rgb": {
    "r": 164,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 1.593,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49314,
    "c": 0.14578,
    "h": 25.6
  },
  "luminance": 0.1077
}

Semantic roles & 50–950 ramp

primary

#A43633

secondary

#74BDBF

accent

#D8DC4C

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A43633

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

Preview Lab → · Contrast checker → · Palette generator →