#A33B20#A33B20

#A33B20 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.5% C 0.143 H 35.4°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#A33B20
RGB	rgb(163, 59, 32)
HSL	hsl(12, 67%, 38%)
HSV	hsv(12, 80%, 64%)
CMYK	cmyk(0%, 63.8%, 80.4%, 36.1%)
CIE-LAB	lab(39.62, 41.61, 38.28)
CIE-LCH	lch(39.62, 56.54, 42.62°)
OKLab	oklab(49.52% 0.117 0.0831)
OKLCH	oklch(49.52% 0.143 35.4)
XYZ	xyz(16.9308, 11.0212, 2.6020)
Luminance	0.1102 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33B20 #2088A3

analogous

#A32047 #A33B20 #A37C20

triadic

#A33B20 #20A33B #3B20A3

tetradic

#A33B20 #47A320 #2088A3 #7C20A3

square

#A33B20 #47A320 #2088A3 #7C20A3

split-complementary

#A33B20 #20A37C #2047A3

monochromatic

#3D160C #702816 #A33B20 #D54E2B #DF795E

Accessibility & contrast

On white

6.55

#A33B20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#A33B20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33B20

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33B20	#FFFFFF	#000000	##FFFFFF
##A33B20	1.00	6.55	3.20	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F1C

Deuteranopia (green-blind)

#72661C

Tritanopia (blue-blind)

#B42036

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33b20;
/* rgb */ color: rgb(163, 59, 32);
/* oklch */ color: oklch(49.5% 0.143 35.4);

Tailwind

colors: {
  custom: {
    50: '#c6765d',
    500: '#a33b20',
    950: '#000000',
  },
}

SCSS

$custom: #a33b20;
$custom-light: #c6765d;
$custom-dark: #000000;

JSON

{
  "hex": "#a33b20",
  "rgb": {
    "r": 163,
    "g": 59,
    "b": 32
  },
  "hsl": {
    "h": 12.366,
    "s": 67.179,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49524,
    "c": 0.14349,
    "h": 35.4
  },
  "luminance": 0.11019
}

Semantic roles & 50–950 ramp

primary

#A33B20

secondary

#5BAEC4

accent

#C7EA3E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A33B20

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

Preview Lab → · Contrast checker → · Palette generator →