#A33C23#A33C23

#A33C23 is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.7% C 0.142 H 34.8°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#A33C23
RGB	rgb(163, 60, 35)
HSL	hsl(12, 65%, 39%)
HSV	hsv(12, 79%, 64%)
CMYK	cmyk(0%, 63.2%, 78.5%, 36.1%)
CIE-LAB	lab(39.82, 41.26, 36.90)
CIE-LCH	lch(39.82, 55.35, 41.81°)
OKLab	oklab(49.69% 0.1164 0.081)
OKLCH	oklch(49.69% 0.142 34.8)
XYZ	xyz(17.0253, 11.1420, 2.8439)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33C23 #238AA3

analogous

#A3234A #A33C23 #A37C23

triadic

#A33C23 #23A33C #3C23A3

tetradic

#A33C23 #4AA323 #238AA3 #7C23A3

square

#A33C23 #4AA323 #238AA3 #7C23A3

split-complementary

#A33C23 #23A37C #234AA3

monochromatic

#3E170D #712918 #A33C23 #D35031 #DD7B63

Accessibility & contrast

On white

6.51

#A33C23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A33C23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33C23

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33C23	#FFFFFF	#000000	##FFFFFF
##A33C23	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F20

Deuteranopia (green-blind)

#72661F

Tritanopia (blue-blind)

#B32237

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a33c23;
/* rgb */ color: rgb(163, 60, 35);
/* oklch */ color: oklch(49.7% 0.142 34.8);

Tailwind

colors: {
  custom: {
    50: '#c6765f',
    500: '#a33c23',
    950: '#000000',
  },
}

SCSS

$custom: #a33c23;
$custom-light: #c6765f;
$custom-dark: #000000;

JSON

{
  "hex": "#a33c23",
  "rgb": {
    "r": 163,
    "g": 60,
    "b": 35
  },
  "hsl": {
    "h": 11.719,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49686,
    "c": 0.14185,
    "h": 34.8
  },
  "luminance": 0.1114
}

Semantic roles & 50–950 ramp

primary

#A33C23

secondary

#5FAFC3

accent

#C7E840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A33C23

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

Preview Lab → · Contrast checker → · Palette generator →