#A33D20#A33D20

#A33D20 is a mid, vivid red. Relative luminance 0.112; OKLCH L 49.8% C 0.142 H 36.3°. Best body text is #FFFFFF at 6.47:1 contrast (WCAG AA passes).

Color values

HEX	#A33D20
RGB	rgb(163, 61, 32)
HSL	hsl(13, 67%, 38%)
HSV	hsv(13, 80%, 64%)
CMYK	cmyk(0%, 62.6%, 80.4%, 36.1%)
CIE-LAB	lab(39.97, 40.68, 38.63)
CIE-LCH	lch(39.97, 56.10, 43.52°)
OKLab	oklab(49.79% 0.1141 0.0839)
OKLCH	oklch(49.79% 0.142 36.3)
XYZ	xyz(17.0356, 11.2307, 2.6369)
Luminance	0.1123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33D20 #2086A3

analogous

#A32045 #A33D20 #A37E20

triadic

#A33D20 #20A33D #3D20A3

tetradic

#A33D20 #45A320 #2086A3 #7E20A3

square

#A33D20 #45A320 #2086A3 #7E20A3

split-complementary

#A33D20 #20A37E #2045A3

monochromatic

#3D170C #702A16 #A33D20 #D5512B #DF7B5E

Accessibility & contrast

On white

6.47

#A33D20 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#A33D20 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D20

6.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33D20	#FFFFFF	#000000	##FFFFFF
##A33D20	1.00	6.47	3.25	6.47
#FFFFFF	6.47	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A501C

Deuteranopia (green-blind)

#73671C

Tritanopia (blue-blind)

#B42337

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33d20;
/* rgb */ color: rgb(163, 61, 32);
/* oklch */ color: oklch(49.8% 0.142 36.3);

Tailwind

colors: {
  custom: {
    50: '#c6775e',
    500: '#a33d20',
    950: '#000000',
  },
}

SCSS

$custom: #a33d20;
$custom-light: #c6775e;
$custom-dark: #000000;

JSON

{
  "hex": "#a33d20",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 32
  },
  "hsl": {
    "h": 13.282,
    "s": 67.179,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49788,
    "c": 0.14161,
    "h": 36.3
  },
  "luminance": 0.11228
}

Semantic roles & 50–950 ramp

primary

#A33D20

secondary

#5BADC4

accent

#C4EA3E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A33D20

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

Preview Lab → · Contrast checker → · Palette generator →