#A13A23#A13A23

#A13A23 is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.1% C 0.142 H 34.1°. Best body text is #FFFFFF at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#A13A23
RGB	rgb(161, 58, 35)
HSL	hsl(11, 64%, 38%)
HSV	hsv(11, 78%, 63%)
CMYK	cmyk(0%, 64%, 78.3%, 36.9%)
CIE-LAB	lab(39.12, 41.44, 36.06)
CIE-LCH	lch(39.12, 54.94, 41.03°)
OKLab	oklab(49.09% 0.1172 0.0794)
OKLCH	oklch(49.09% 0.142 34.1)
XYZ	xyz(16.5162, 10.7269, 2.7906)
Luminance	0.1072 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13A23 #238AA1

analogous

#A1234B #A13A23 #A17923

triadic

#A13A23 #23A13A #3A23A1

tetradic

#A13A23 #4BA123 #238AA1 #7923A1

square

#A13A23 #4BA123 #238AA1 #7923A1

split-complementary

#A13A23 #23A179 #234BA1

monochromatic

#3C160D #6F2818 #A13A23 #D24D2F #DD7862

Accessibility & contrast

On white

6.68

#A13A23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A13A23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13A23

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13A23	#FFFFFF	#000000	##FFFFFF
##A13A23	1.00	6.68	3.15	6.68
#FFFFFF	6.68	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E20

Deuteranopia (green-blind)

#70651F

Tritanopia (blue-blind)

#B11F35

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a13a23;
/* rgb */ color: rgb(161, 58, 35);
/* oklch */ color: oklch(49.1% 0.142 34.1);

Tailwind

colors: {
  custom: {
    50: '#c4755f',
    500: '#a13a23',
    950: '#000000',
  },
}

SCSS

$custom: #a13a23;
$custom-light: #c4755f;
$custom-dark: #000000;

JSON

{
  "hex": "#a13a23",
  "rgb": {
    "r": 161,
    "g": 58,
    "b": 35
  },
  "hsl": {
    "h": 10.952,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4909,
    "c": 0.14155,
    "h": 34.1
  },
  "luminance": 0.10725
}

Semantic roles & 50–950 ramp

primary

#A13A23

secondary

#5EB0C2

accent

#C9E741

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A13A23

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

Preview Lab → · Contrast checker → · Palette generator →