#A13B23#A13B23

#A13B23 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.2% C 0.141 H 34.6°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#A13B23
RGB	rgb(161, 59, 35)
HSL	hsl(11, 64%, 38%)
HSV	hsv(11, 78%, 63%)
CMYK	cmyk(0%, 63.4%, 78.3%, 36.9%)
CIE-LAB	lab(39.29, 40.98, 36.24)
CIE-LCH	lch(39.29, 54.71, 41.49°)
OKLab	oklab(49.22% 0.1158 0.0797)
OKLCH	oklch(49.22% 0.141 34.6)
XYZ	xyz(16.5671, 10.8287, 2.8076)
Luminance	0.1083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13B23 #2389A1

analogous

#A1234A #A13B23 #A17A23

triadic

#A13B23 #23A13B #3B23A1

tetradic

#A13B23 #4AA123 #2389A1 #7A23A1

square

#A13B23 #4AA123 #2389A1 #7A23A1

split-complementary

#A13B23 #23A17A #234AA1

monochromatic

#3C160D #6F2918 #A13B23 #D24E2F #DD7962

Accessibility & contrast

On white

6.63

#A13B23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A13B23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13B23

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13B23	#FFFFFF	#000000	##FFFFFF
##A13B23	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E20

Deuteranopia (green-blind)

#71651F

Tritanopia (blue-blind)

#B12136

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a13b23;
/* rgb */ color: rgb(161, 59, 35);
/* oklch */ color: oklch(49.2% 0.141 34.6);

Tailwind

colors: {
  custom: {
    50: '#c4755f',
    500: '#a13b23',
    950: '#000000',
  },
}

SCSS

$custom: #a13b23;
$custom-light: #c4755f;
$custom-dark: #000000;

JSON

{
  "hex": "#a13b23",
  "rgb": {
    "r": 161,
    "g": 59,
    "b": 35
  },
  "hsl": {
    "h": 11.429,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.49221,
    "c": 0.14059,
    "h": 34.6
  },
  "luminance": 0.10826
}

Semantic roles & 50–950 ramp

primary

#A13B23

secondary

#5EAFC2

accent

#C8E741

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140905

muted

#837B79

Preview Lab

Preview with #A13B23

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

Preview Lab → · Contrast checker → · Palette generator →