#A33B24#A33B24

#A33B24 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.143 H 34.0°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#A33B24
RGB	rgb(163, 59, 36)
HSL	hsl(11, 64%, 39%)
HSV	hsv(11, 78%, 64%)
CMYK	cmyk(0%, 63.8%, 77.9%, 36.1%)
CIE-LAB	lab(39.66, 41.76, 36.19)
CIE-LCH	lch(39.66, 55.26, 40.91°)
OKLab	oklab(49.57% 0.1182 0.0798)
OKLCH	oklch(49.57% 0.143 34)
XYZ	xyz(16.9885, 11.0443, 2.9059)
Luminance	0.1104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33B24 #248CA3

analogous

#A3244D #A33B24 #A37B24

triadic

#A33B24 #24A33B #3B24A3

tetradic

#A33B24 #4DA324 #248CA3 #7B24A3

square

#A33B24 #4DA324 #248CA3 #7B24A3

split-complementary

#A33B24 #24A37B #244DA3

monochromatic

#3F170E #712919 #A33B24 #D24F32 #DD7A65

Accessibility & contrast

On white

6.55

#A33B24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A33B24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33B24

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33B24	#FFFFFF	#000000	##FFFFFF
##A33B24	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F21

Deuteranopia (green-blind)

#726620

Tritanopia (blue-blind)

#B32036

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33b24;
/* rgb */ color: rgb(163, 59, 36);
/* oklch */ color: oklch(49.6% 0.143 34.0);

Tailwind

colors: {
  custom: {
    50: '#c67660',
    500: '#a33b24',
    950: '#000000',
  },
}

SCSS

$custom: #a33b24;
$custom-light: #c67660;
$custom-dark: #000000;

JSON

{
  "hex": "#a33b24",
  "rgb": {
    "r": 163,
    "g": 59,
    "b": 36
  },
  "hsl": {
    "h": 10.866,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.49566,
    "c": 0.14258,
    "h": 34
  },
  "luminance": 0.11042
}

Semantic roles & 50–950 ramp

primary

#A33B24

secondary

#60B1C2

accent

#C9E741

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A33B24

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

Preview Lab → · Contrast checker → · Palette generator →