#A33A25#A33A25

#A33A25 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.4% C 0.143 H 33.2°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#A33A25
RGB	rgb(163, 58, 37)
HSL	hsl(10, 63%, 39%)
HSV	hsv(10, 77%, 64%)
CMYK	cmyk(0%, 64.4%, 77.3%, 36.1%)
CIE-LAB	lab(39.49, 42.26, 35.47)
CIE-LCH	lch(39.49, 55.17, 40.01°)
OKLab	oklab(49.45% 0.1199 0.0785)
OKLCH	oklch(49.45% 0.143 33.2)
XYZ	xyz(16.9531, 10.9486, 2.9705)
Luminance	0.1095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33A25 #258EA3

analogous

#A3254F #A33A25 #A37925

triadic

#A33A25 #25A33A #3A25A3

tetradic

#A33A25 #4FA325 #258EA3 #7925A3

square

#A33A25 #4FA325 #258EA3 #7925A3

split-complementary

#A33A25 #25A379 #254FA3

monochromatic

#3F170E #71281A #A33A25 #D14E34 #DC7A66

Accessibility & contrast

On white

6.58

#A33A25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A33A25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33A25

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33A25	#FFFFFF	#000000	##FFFFFF
##A33A25	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E22

Deuteranopia (green-blind)

#726621

Tritanopia (blue-blind)

#B31F36

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33a25;
/* rgb */ color: rgb(163, 58, 37);
/* oklch */ color: oklch(49.4% 0.143 33.2);

Tailwind

colors: {
  custom: {
    50: '#c67561',
    500: '#a33a25',
    950: '#000000',
  },
}

SCSS

$custom: #a33a25;
$custom-light: #c67561;
$custom-dark: #000000;

JSON

{
  "hex": "#a33a25",
  "rgb": {
    "r": 163,
    "g": 58,
    "b": 37
  },
  "hsl": {
    "h": 10,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.49448,
    "c": 0.14332,
    "h": 33.2
  },
  "luminance": 0.10946
}

Semantic roles & 50–950 ramp

primary

#A33A25

secondary

#62B2C2

accent

#CBE642

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A33A25

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

Preview Lab → · Contrast checker → · Palette generator →