#A33A24#A33A24

#A33A24 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.4% C 0.144 H 33.6°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#A33A24
RGB	rgb(163, 58, 36)
HSL	hsl(10, 64%, 39%)
HSV	hsv(10, 78%, 64%)
CMYK	cmyk(0%, 64.4%, 77.9%, 36.1%)
CIE-LAB	lab(39.48, 42.22, 36.01)
CIE-LCH	lch(39.48, 55.49, 40.46°)
OKLab	oklab(49.44% 0.1196 0.0794)
OKLCH	oklch(49.44% 0.144 33.6)
XYZ	xyz(16.9376, 10.9424, 2.8889)
Luminance	0.1094 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33A24 #248DA3

analogous

#A3244E #A33A24 #A37A24

triadic

#A33A24 #24A33A #3A24A3

tetradic

#A33A24 #4EA324 #248DA3 #7A24A3

square

#A33A24 #4EA324 #248DA3 #7A24A3

split-complementary

#A33A24 #24A37A #244EA3

monochromatic

#3F160E #712819 #A33A24 #D24E32 #DD7965

Accessibility & contrast

On white

6.59

#A33A24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A33A24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33A24

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33A24	#FFFFFF	#000000	##FFFFFF
##A33A24	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E21

Deuteranopia (green-blind)

#726620

Tritanopia (blue-blind)

#B31E36

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33a24;
/* rgb */ color: rgb(163, 58, 36);
/* oklch */ color: oklch(49.4% 0.144 33.6);

Tailwind

colors: {
  custom: {
    50: '#c67560',
    500: '#a33a24',
    950: '#000000',
  },
}

SCSS

$custom: #a33a24;
$custom-light: #c67560;
$custom-dark: #000000;

JSON

{
  "hex": "#a33a24",
  "rgb": {
    "r": 163,
    "g": 58,
    "b": 36
  },
  "hsl": {
    "h": 10.394,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.49436,
    "c": 0.14354,
    "h": 33.6
  },
  "luminance": 0.1094
}

Semantic roles & 50–950 ramp

primary

#A33A24

secondary

#60B1C2

accent

#CAE741

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A33A24

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

Preview Lab → · Contrast checker → · Palette generator →