#A43F33#A43F33

#A43F33 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.5% C 0.136 H 29.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#A43F33
RGB	rgb(164, 63, 51)
HSL	hsl(6, 53%, 42%)
HSV	hsv(6, 69%, 64%)
CMYK	cmyk(0%, 61.6%, 68.9%, 35.7%)
CIE-LAB	lab(40.72, 40.98, 28.87)
CIE-LCH	lch(40.72, 50.13, 35.16°)
OKLab	oklab(50.46% 0.1187 0.067)
OKLCH	oklch(50.46% 0.136 29.4)
XYZ	xyz(17.6867, 11.6889, 4.4562)
Luminance	0.1169 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A43F33 #3398A4

analogous

#A4335F #A43F33 #A47833

triadic

#A43F33 #33A43F #3F33A4

tetradic

#A43F33 #5FA433 #3398A4 #7833A4

square

#A43F33 #5FA433 #3398A4 #7833A4

split-complementary

#A43F33 #33A478 #335FA4

monochromatic

#471B16 #752D24 #A43F33 #C85A4D #D6857B

Accessibility & contrast

On white

6.29

#A43F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#A43F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A43F33

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A43F33	#FFFFFF	#000000	##FFFFFF
##A43F33	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5231

Deuteranopia (green-blind)

#736830

Tritanopia (blue-blind)

#B4293D

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #a43f33;
/* rgb */ color: rgb(164, 63, 51);
/* oklch */ color: oklch(50.5% 0.136 29.4);

Tailwind

colors: {
  custom: {
    50: '#c5786b',
    500: '#a43f33',
    950: '#000000',
  },
}

SCSS

$custom: #a43f33;
$custom-light: #c5786b;
$custom-dark: #000000;

JSON

{
  "hex": "#a43f33",
  "rgb": {
    "r": 164,
    "g": 63,
    "b": 51
  },
  "hsl": {
    "h": 6.372,
    "s": 52.558,
    "l": 42.157
  },
  "oklch": {
    "l": 0.50458,
    "c": 0.13627,
    "h": 29.4
  },
  "luminance": 0.11687
}

Semantic roles & 50–950 ramp

primary

#A43F33

secondary

#74B7BF

accent

#CDDC4C

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A43F33

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

Preview Lab → · Contrast checker → · Palette generator →