#A13821#A13821

#A13821 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.144 H 33.9°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#A13821
RGB	rgb(161, 56, 33)
HSL	hsl(11, 66%, 38%)
HSV	hsv(11, 80%, 63%)
CMYK	cmyk(0%, 65.2%, 79.5%, 36.9%)
CIE-LAB	lab(38.76, 42.28, 36.77)
CIE-LCH	lch(38.76, 56.03, 41.02°)
OKLab	oklab(48.81% 0.1194 0.0803)
OKLCH	oklch(48.81% 0.144 33.9)
XYZ	xyz(16.3884, 10.5176, 2.6057)
Luminance	0.1051 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13821 #218AA1

analogous

#A1214A #A13821 #A17821

triadic

#A13821 #21A138 #3821A1

tetradic

#A13821 #4AA121 #218AA1 #7821A1

square

#A13821 #4AA121 #218AA1 #7821A1

split-complementary

#A13821 #21A178 #214AA1

monochromatic

#3B150C #6E2617 #A13821 #D44A2C #DE755E

Accessibility & contrast

On white

6.77

#A13821 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A13821 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13821

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13821	#FFFFFF	#000000	##FFFFFF
##A13821	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D1E

Deuteranopia (green-blind)

#70641D

Tritanopia (blue-blind)

#B11B33

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a13821;
/* rgb */ color: rgb(161, 56, 33);
/* oklch */ color: oklch(48.8% 0.144 33.9);

Tailwind

colors: {
  custom: {
    50: '#c5745e',
    500: '#a13821',
    950: '#000000',
  },
}

SCSS

$custom: #a13821;
$custom-light: #c5745e;
$custom-dark: #000000;

JSON

{
  "hex": "#a13821",
  "rgb": {
    "r": 161,
    "g": 56,
    "b": 33
  },
  "hsl": {
    "h": 10.781,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.48811,
    "c": 0.14391,
    "h": 33.9
  },
  "luminance": 0.10515
}

Semantic roles & 50–950 ramp

primary

#A13821

secondary

#5BB0C3

accent

#CAE93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A13821

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

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