#A33B25#A33B25

#A33B25 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.142 H 33.6°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#A33B25
RGB	rgb(163, 59, 37)
HSL	hsl(10, 63%, 39%)
HSV	hsv(10, 77%, 64%)
CMYK	cmyk(0%, 63.8%, 77.3%, 36.1%)
CIE-LAB	lab(39.67, 41.80, 35.65)
CIE-LCH	lch(39.67, 54.94, 40.46°)
OKLab	oklab(49.58% 0.1185 0.0789)
OKLCH	oklch(49.58% 0.142 33.6)
XYZ	xyz(17.0040, 11.0504, 2.9875)
Luminance	0.1105 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33B25 #258DA3

analogous

#A3254E #A33B25 #A37A25

triadic

#A33B25 #25A33B #3B25A3

tetradic

#A33B25 #4EA325 #258DA3 #7A25A3

square

#A33B25 #4EA325 #258DA3 #7A25A3

split-complementary

#A33B25 #25A37A #254EA3

monochromatic

#3F170E #71291A #A33B25 #D15034 #DC7B66

Accessibility & contrast

On white

6.54

#A33B25 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A33B25 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33B25

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33B25	#FFFFFF	#000000	##FFFFFF
##A33B25	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F22

Deuteranopia (green-blind)

#726621

Tritanopia (blue-blind)

#B32037

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33b25;
/* rgb */ color: rgb(163, 59, 37);
/* oklch */ color: oklch(49.6% 0.142 33.6);

Tailwind

colors: {
  custom: {
    50: '#c67661',
    500: '#a33b25',
    950: '#000000',
  },
}

SCSS

$custom: #a33b25;
$custom-light: #c67661;
$custom-dark: #000000;

JSON

{
  "hex": "#a33b25",
  "rgb": {
    "r": 163,
    "g": 59,
    "b": 37
  },
  "hsl": {
    "h": 10.476,
    "s": 63,
    "l": 39.216
  },
  "oklch": {
    "l": 0.49577,
    "c": 0.14235,
    "h": 33.6
  },
  "luminance": 0.11048
}

Semantic roles & 50–950 ramp

primary

#A33B25

secondary

#62B1C2

accent

#C9E642

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140905

muted

#837B79

Preview Lab

Preview with #A33B25

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

Preview Lab → · Contrast checker → · Palette generator →