#A13B21#A13B21

#A13B21 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.2% C 0.141 H 35.3°. Best body text is #FFFFFF at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#A13B21
RGB	rgb(161, 59, 33)
HSL	hsl(12, 66%, 38%)
HSV	hsv(12, 80%, 63%)
CMYK	cmyk(0%, 63.4%, 79.5%, 36.9%)
CIE-LAB	lab(39.27, 40.90, 37.29)
CIE-LCH	lch(39.27, 55.35, 42.36°)
OKLab	oklab(49.2% 0.1152 0.0814)
OKLCH	oklch(49.2% 0.141 35.3)
XYZ	xyz(16.5382, 10.8172, 2.6556)
Luminance	0.1081 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13B21 #2187A1

analogous

#A12147 #A13B21 #A17B21

triadic

#A13B21 #21A13B #3B21A1

tetradic

#A13B21 #47A121 #2187A1 #7B21A1

square

#A13B21 #47A121 #2187A1 #7B21A1

split-complementary

#A13B21 #21A17B #2147A1

monochromatic

#3B160C #6E2817 #A13B21 #D44E2C #DE785E

Accessibility & contrast

On white

6.64

#A13B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.16

#A13B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13B21

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13B21	#FFFFFF	#000000	##FFFFFF
##A13B21	1.00	6.64	3.16	6.64
#FFFFFF	6.64	1.00	21.00	1.00
#000000	3.16	21.00	1.00	21.00
##FFFFFF	6.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584E1D

Deuteranopia (green-blind)

#71651D

Tritanopia (blue-blind)

#B12136

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a13b21;
/* rgb */ color: rgb(161, 59, 33);
/* oklch */ color: oklch(49.2% 0.141 35.3);

Tailwind

colors: {
  custom: {
    50: '#c5755e',
    500: '#a13b21',
    950: '#000000',
  },
}

SCSS

$custom: #a13b21;
$custom-light: #c5755e;
$custom-dark: #000000;

JSON

{
  "hex": "#a13b21",
  "rgb": {
    "r": 161,
    "g": 59,
    "b": 33
  },
  "hsl": {
    "h": 12.188,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.49199,
    "c": 0.14106,
    "h": 35.3
  },
  "luminance": 0.10815
}

Semantic roles & 50–950 ramp

primary

#A13B21

secondary

#5BAEC3

accent

#C6E93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140904

muted

#837B79

Preview Lab

Preview with #A13B21

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

Preview Lab → · Contrast checker → · Palette generator →