#A43D31#A43D31

#A43D31 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.2% C 0.139 H 29.5°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#A43D31
RGB	rgb(164, 61, 49)
HSL	hsl(6, 54%, 42%)
HSV	hsv(6, 70%, 64%)
CMYK	cmyk(0%, 62.8%, 70.1%, 35.7%)
CIE-LAB	lab(40.34, 41.81, 29.59)
CIE-LCH	lch(40.34, 51.23, 35.29°)
OKLab	oklab(50.16% 0.1209 0.0683)
OKLCH	oklch(50.16% 0.139 29.5)
XYZ	xyz(17.5348, 11.4542, 4.1927)
Luminance	0.1145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43D31 #3198A4

analogous

#A4315F #A43D31 #A47731

triadic

#A43D31 #31A43D #3D31A4

tetradic

#A43D31 #5FA431 #3198A4 #7731A4

square

#A43D31 #5FA431 #3198A4 #7731A4

split-complementary

#A43D31 #31A477 #315FA4

monochromatic

#461A15 #752B23 #A43D31 #C95749 #D78279

Accessibility & contrast

On white

6.38

#A43D31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A43D31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43D31

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43D31	#FFFFFF	#000000	##FFFFFF
##A43D31	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)

#59512F

Deuteranopia (green-blind)

#72672E

Tritanopia (blue-blind)

#B4253B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a43d31;
/* rgb */ color: rgb(164, 61, 49);
/* oklch */ color: oklch(50.2% 0.139 29.5);

Tailwind

colors: {
  custom: {
    50: '#c67769',
    500: '#a43d31',
    950: '#000000',
  },
}

SCSS

$custom: #a43d31;
$custom-light: #c67769;
$custom-dark: #000000;

JSON

{
  "hex": "#a43d31",
  "rgb": {
    "r": 164,
    "g": 61,
    "b": 49
  },
  "hsl": {
    "h": 6.261,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50161,
    "c": 0.1388,
    "h": 29.5
  },
  "luminance": 0.11452
}

Semantic roles & 50–950 ramp

primary

#A43D31

secondary

#72B7BF

accent

#CEDD4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A43D31

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

Preview Lab → · Contrast checker → · Palette generator →