#A43F31#A43F31

#A43F31 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.4% C 0.137 H 30.4°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#A43F31
RGB	rgb(164, 63, 49)
HSL	hsl(7, 54%, 42%)
HSV	hsv(7, 70%, 64%)
CMYK	cmyk(0%, 61.6%, 70.1%, 35.7%)
CIE-LAB	lab(40.69, 40.87, 30.01)
CIE-LCH	lch(40.69, 50.71, 36.29°)
OKLab	oklab(50.43% 0.1179 0.0692)
OKLCH	oklch(50.43% 0.137 30.4)
XYZ	xyz(17.6435, 11.6717, 4.2289)
Luminance	0.1167 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43F31 #3196A4

analogous

#A4315D #A43F31 #A47931

triadic

#A43F31 #31A43F #3F31A4

tetradic

#A43F31 #5DA431 #3196A4 #7931A4

square

#A43F31 #5DA431 #3196A4 #7931A4

split-complementary

#A43F31 #31A479 #315DA4

monochromatic

#461B15 #752D23 #A43F31 #C95949 #D78479

Accessibility & contrast

On white

6.30

#A43F31 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#A43F31 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43F31

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43F31	#FFFFFF	#000000	##FFFFFF
##A43F31	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A522F

Deuteranopia (green-blind)

#73682E

Tritanopia (blue-blind)

#B4283C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a43f31;
/* rgb */ color: rgb(164, 63, 49);
/* oklch */ color: oklch(50.4% 0.137 30.4);

Tailwind

colors: {
  custom: {
    50: '#c67869',
    500: '#a43f31',
    950: '#000000',
  },
}

SCSS

$custom: #a43f31;
$custom-light: #c67869;
$custom-dark: #000000;

JSON

{
  "hex": "#a43f31",
  "rgb": {
    "r": 164,
    "g": 63,
    "b": 49
  },
  "hsl": {
    "h": 7.304,
    "s": 53.991,
    "l": 41.765
  },
  "oklch": {
    "l": 0.50428,
    "c": 0.13671,
    "h": 30.4
  },
  "luminance": 0.11669
}

Semantic roles & 50–950 ramp

primary

#A43F31

secondary

#72B6BF

accent

#CBDD4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A43F31

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

Preview Lab → · Contrast checker → · Palette generator →