#A13B33#A13B33

#A13B33 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.4% C 0.137 H 27.6°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#A13B33
RGB	rgb(161, 59, 51)
HSL	hsl(4, 52%, 42%)
HSV	hsv(4, 68%, 63%)
CMYK	cmyk(0%, 63.4%, 68.3%, 36.9%)
CIE-LAB	lab(39.49, 41.76, 27.27)
CIE-LCH	lch(39.49, 49.88, 33.14°)
OKLab	oklab(49.44% 0.1215 0.0636)
OKLCH	oklch(49.44% 0.137 27.6)
XYZ	xyz(16.8611, 10.9463, 4.3563)
Luminance	0.1094 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13B33 #3399A1

analogous

#A13362 #A13B33 #A17233

triadic

#A13B33 #33A13B #3B33A1

tetradic

#A13B33 #62A133 #3399A1 #7233A1

square

#A13B33 #62A133 #3399A1 #7233A1

split-complementary

#A13B33 #33A172 #3362A1

monochromatic

#441916 #732A24 #A13B33 #C6544B #D5807A

Accessibility & contrast

On white

6.59

#A13B33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A13B33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13B33

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13B33	#FFFFFF	#000000	##FFFFFF
##A13B33	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F32

Deuteranopia (green-blind)

#706530

Tritanopia (blue-blind)

#B1243A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a13b33;
/* rgb */ color: rgb(161, 59, 51);
/* oklch */ color: oklch(49.4% 0.137 27.6);

Tailwind

colors: {
  custom: {
    50: '#c3766b',
    500: '#a13b33',
    950: '#000000',
  },
}

SCSS

$custom: #a13b33;
$custom-light: #c3766b;
$custom-dark: #000000;

JSON

{
  "hex": "#a13b33",
  "rgb": {
    "r": 161,
    "g": 59,
    "b": 51
  },
  "hsl": {
    "h": 4.364,
    "s": 51.887,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49435,
    "c": 0.1371,
    "h": 27.6
  },
  "luminance": 0.10944
}

Semantic roles & 50–950 ramp

primary

#A13B33

secondary

#72B8BD

accent

#D1DB4C

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140906

muted

#827B7A

Preview Lab

Preview with #A13B33

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

Preview Lab → · Contrast checker → · Palette generator →