#A13333#A13333

#A13333 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.4% C 0.146 H 24.4°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#A13333
RGB	rgb(161, 51, 51)
HSL	hsl(0, 52%, 42%)
HSV	hsv(0, 68%, 63%)
CMYK	cmyk(0%, 68.3%, 68.3%, 36.9%)
CIE-LAB	lab(38.17, 45.31, 25.67)
CIE-LCH	lch(38.17, 52.07, 29.54°)
OKLab	oklab(48.45% 0.1326 0.0601)
OKLCH	oklch(48.45% 0.146 24.4)
XYZ	xyz(16.4810, 10.1861, 4.2296)
Luminance	0.1018 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13333 #33A1A1

analogous

#A1336A #A13333 #A16A33

triadic

#A13333 #33A133 #3333A1

tetradic

#A13333 #6AA133 #33A1A1 #6A33A1

square

#A13333 #6AA133 #33A1A1 #6A33A1

split-complementary

#A13333 #33A16A #336AA1

monochromatic

#441616 #732424 #A13333 #C64B4B #D57A7A

Accessibility & contrast

On white

6.92

#A13333 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#A13333 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13333

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13333	#FFFFFF	#000000	##FFFFFF
##A13333	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514B32

Deuteranopia (green-blind)

#6D6330

Tritanopia (blue-blind)

#B11534

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a13333;
/* rgb */ color: rgb(161, 51, 51);
/* oklch */ color: oklch(48.4% 0.146 24.4);

Tailwind

colors: {
  custom: {
    50: '#c4716a',
    500: '#a13333',
    950: '#000000',
  },
}

SCSS

$custom: #a13333;
$custom-light: #c4716a;
$custom-dark: #000000;

JSON

{
  "hex": "#a13333",
  "rgb": {
    "r": 161,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 0,
    "s": 51.887,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48447,
    "c": 0.14559,
    "h": 24.4
  },
  "luminance": 0.10184
}

Semantic roles & 50–950 ramp

primary

#A13333

secondary

#72BDBD

accent

#DBDB4C

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140806

muted

#827B7A

Preview Lab

Preview with #A13333

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

Preview Lab → · Contrast checker → · Palette generator →