#A43D33#A43D33

#A43D33 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.138 H 28.5°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#A43D33
RGB	rgb(164, 61, 51)
HSL	hsl(5, 53%, 42%)
HSV	hsv(5, 69%, 64%)
CMYK	cmyk(0%, 62.8%, 68.9%, 35.7%)
CIE-LAB	lab(40.36, 41.92, 28.44)
CIE-LCH	lch(40.36, 50.66, 34.15°)
OKLab	oklab(50.19% 0.1216 0.0661)
OKLCH	oklch(50.19% 0.138 28.5)
XYZ	xyz(17.5779, 11.4714, 4.4199)
Luminance	0.1147 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43D33 #339AA4

analogous

#A43361 #A43D33 #A47633

triadic

#A43D33 #33A43D #3D33A4

tetradic

#A43D33 #61A433 #339AA4 #7633A4

square

#A43D33 #61A433 #339AA4 #7633A4

split-complementary

#A43D33 #33A476 #3361A4

monochromatic

#471A16 #752C24 #A43D33 #C8584D #D6837B

Accessibility & contrast

On white

6.38

#A43D33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A43D33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43D33

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43D33	#FFFFFF	#000000	##FFFFFF
##A43D33	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)

#595131

Deuteranopia (green-blind)

#726730

Tritanopia (blue-blind)

#B4263B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a43d33;
/* rgb */ color: rgb(164, 61, 51);
/* oklch */ color: oklch(50.2% 0.138 28.5);

Tailwind

colors: {
  custom: {
    50: '#c6776b',
    500: '#a43d33',
    950: '#000000',
  },
}

SCSS

$custom: #a43d33;
$custom-light: #c6776b;
$custom-dark: #000000;

JSON

{
  "hex": "#a43d33",
  "rgb": {
    "r": 164,
    "g": 61,
    "b": 51
  },
  "hsl": {
    "h": 5.31,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50192,
    "c": 0.13839,
    "h": 28.5
  },
  "luminance": 0.11469
}

Semantic roles & 50–950 ramp

primary

#A43D33

secondary

#74B8BF

accent

#CFDC4C

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A43D33

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

Preview Lab → · Contrast checker → · Palette generator →