#A83121#A83121

#A83121 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.2% C 0.158 H 30.9°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#A83121
RGB	rgb(168, 49, 33)
HSL	hsl(7, 67%, 39%)
HSV	hsv(7, 80%, 66%)
CMYK	cmyk(0%, 70.8%, 80.4%, 34.1%)
CIE-LAB	lab(38.96, 47.69, 37.39)
CIE-LCH	lch(38.96, 60.60, 38.10°)
OKLab	oklab(49.2% 0.1355 0.0811)
OKLCH	oklch(49.2% 0.158 30.9)
XYZ	xyz(17.5233, 10.6339, 2.5684)
Luminance	0.1063 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A83121 #2198A8

analogous

#A82155 #A83121 #A87521

triadic

#A83121 #21A831 #3121A8

tetradic

#A83121 #55A821 #2198A8 #7521A8

square

#A83121 #55A821 #2198A8 #7521A8

split-complementary

#A83121 #21A875 #2155A8

monochromatic

#42130D #752217 #A83121 #D64430 #E07263

Accessibility & contrast

On white

6.72

#A83121 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A83121 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A83121

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A83121	#FFFFFF	#000000	##FFFFFF
##A83121	1.00	6.72	3.13	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B1E

Deuteranopia (green-blind)

#72651C

Tritanopia (blue-blind)

#B9002E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a83121;
/* rgb */ color: rgb(168, 49, 33);
/* oklch */ color: oklch(49.2% 0.158 30.9);

Tailwind

colors: {
  custom: {
    50: '#ca715e',
    500: '#a83121',
    950: '#000000',
  },
}

SCSS

$custom: #a83121;
$custom-light: #ca715e;
$custom-dark: #000000;

JSON

{
  "hex": "#a83121",
  "rgb": {
    "r": 168,
    "g": 49,
    "b": 33
  },
  "hsl": {
    "h": 7.111,
    "s": 67.164,
    "l": 39.412
  },
  "oklch": {
    "l": 0.49202,
    "c": 0.15791,
    "h": 30.9
  },
  "luminance": 0.10631
}

Semantic roles & 50–950 ramp

primary

#A83121

secondary

#5FB9C5

accent

#D6EA3E

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A83121

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

Preview Lab → · Contrast checker → · Palette generator →