#A33C24#A33C24

#A33C24 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.142 H 34.5°. Best body text is #FFFFFF at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#A33C24
RGB	rgb(163, 60, 36)
HSL	hsl(11, 64%, 39%)
HSV	hsv(11, 78%, 64%)
CMYK	cmyk(0%, 63.2%, 77.9%, 36.1%)
CIE-LAB	lab(39.83, 41.30, 36.37)
CIE-LCH	lch(39.83, 55.03, 41.37°)
OKLab	oklab(49.7% 0.1168 0.0802)
OKLCH	oklch(49.7% 0.142 34.5)
XYZ	xyz(17.0404, 11.1480, 2.9232)
Luminance	0.1115 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33C24 #248BA3

analogous

#A3244B #A33C24 #A37C24

triadic

#A33C24 #24A33C #3C24A3

tetradic

#A33C24 #4BA324 #248BA3 #7C24A3

square

#A33C24 #4BA324 #248BA3 #7C24A3

split-complementary

#A33C24 #24A37C #244BA3

monochromatic

#3F170E #712A19 #A33C24 #D25132 #DD7B65

Accessibility & contrast

On white

6.50

#A33C24 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A33C24 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33C24

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33C24	#FFFFFF	#000000	##FFFFFF
##A33C24	1.00	6.50	3.23	6.50
#FFFFFF	6.50	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595021

Deuteranopia (green-blind)

#726620

Tritanopia (blue-blind)

#B32237

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33c24;
/* rgb */ color: rgb(163, 60, 36);
/* oklch */ color: oklch(49.7% 0.142 34.5);

Tailwind

colors: {
  custom: {
    50: '#c67660',
    500: '#a33c24',
    950: '#000000',
  },
}

SCSS

$custom: #a33c24;
$custom-light: #c67660;
$custom-dark: #000000;

JSON

{
  "hex": "#a33c24",
  "rgb": {
    "r": 163,
    "g": 60,
    "b": 36
  },
  "hsl": {
    "h": 11.339,
    "s": 63.819,
    "l": 39.02
  },
  "oklch": {
    "l": 0.49697,
    "c": 0.14161,
    "h": 34.5
  },
  "luminance": 0.11146
}

Semantic roles & 50–950 ramp

primary

#A33C24

secondary

#60B0C2

accent

#C7E741

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A33C24

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

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