#A12C21#A12C21

#A12C21 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.4% C 0.155 H 29.4°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#A12C21
RGB	rgb(161, 44, 33)
HSL	hsl(5, 66%, 38%)
HSV	hsv(5, 80%, 63%)
CMYK	cmyk(0%, 72.7%, 79.5%, 36.9%)
CIE-LAB	lab(36.91, 47.29, 34.88)
CIE-LCH	lch(36.91, 58.76, 36.42°)
OKLab	oklab(47.43% 0.135 0.0762)
OKLCH	oklch(47.43% 0.155 29.4)
XYZ	xyz(15.8750, 9.4907, 2.4345)
Luminance	0.0949 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A12C21 #2196A1

analogous

#A12156 #A12C21 #A16C21

triadic

#A12C21 #21A12C #2C21A1

tetradic

#A12C21 #56A121 #2196A1 #6C21A1

square

#A12C21 #56A121 #2196A1 #6C21A1

split-complementary

#A12C21 #21A16C #2156A1

monochromatic

#3B100C #6E1E17 #A12C21 #D43A2C #DE695E

Accessibility & contrast

On white

7.25

#A12C21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A12C21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A12C21

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A12C21	#FFFFFF	#000000	##FFFFFF
##A12C21	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F461F

Deuteranopia (green-blind)

#6C601C

Tritanopia (blue-blind)

#B2002B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a12c21;
/* rgb */ color: rgb(161, 44, 33);
/* oklch */ color: oklch(47.4% 0.155 29.4);

Tailwind

colors: {
  custom: {
    50: '#c56d5d',
    500: '#a12c21',
    950: '#000000',
  },
}

SCSS

$custom: #a12c21;
$custom-light: #c56d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#a12c21",
  "rgb": {
    "r": 161,
    "g": 44,
    "b": 33
  },
  "hsl": {
    "h": 5.156,
    "s": 65.979,
    "l": 38.039
  },
  "oklch": {
    "l": 0.47429,
    "c": 0.15504,
    "h": 29.4
  },
  "luminance": 0.09488
}

Semantic roles & 50–950 ramp

primary

#A12C21

secondary

#5BBAC3

accent

#DAE93F

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A12C21

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

Preview Lab → · Contrast checker → · Palette generator →