#A33923#A33923

#A33923 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.3% C 0.145 H 33.5°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#A33923
RGB	rgb(163, 57, 35)
HSL	hsl(10, 65%, 39%)
HSV	hsv(10, 79%, 64%)
CMYK	cmyk(0%, 65%, 78.5%, 36.1%)
CIE-LAB	lab(39.30, 42.63, 36.37)
CIE-LCH	lch(39.30, 56.03, 40.47°)
OKLab	oklab(49.3% 0.1207 0.0799)
OKLCH	oklch(49.3% 0.145 33.5)
XYZ	xyz(16.8726, 10.8366, 2.7930)
Luminance	0.1083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33923 #238DA3

analogous

#A3234D #A33923 #A37923

triadic

#A33923 #23A339 #3923A3

tetradic

#A33923 #4DA323 #238DA3 #7923A3

square

#A33923 #4DA323 #238DA3 #7923A3

split-complementary

#A33923 #23A379 #234DA3

monochromatic

#3E160D #712718 #A33923 #D34C31 #DD7863

Accessibility & contrast

On white

6.63

#A33923 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A33923 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33923

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33923	#FFFFFF	#000000	##FFFFFF
##A33923	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E20

Deuteranopia (green-blind)

#71651F

Tritanopia (blue-blind)

#B41C35

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33923;
/* rgb */ color: rgb(163, 57, 35);
/* oklch */ color: oklch(49.3% 0.145 33.5);

Tailwind

colors: {
  custom: {
    50: '#c6745f',
    500: '#a33923',
    950: '#000000',
  },
}

SCSS

$custom: #a33923;
$custom-light: #c6745f;
$custom-dark: #000000;

JSON

{
  "hex": "#a33923",
  "rgb": {
    "r": 163,
    "g": 57,
    "b": 35
  },
  "hsl": {
    "h": 10.313,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49298,
    "c": 0.14472,
    "h": 33.5
  },
  "luminance": 0.10834
}

Semantic roles & 50–950 ramp

primary

#A33923

secondary

#5FB2C3

accent

#CBE840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A33923

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

Preview Lab → · Contrast checker → · Palette generator →