#A42C21#A42C21

#A42C21 is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.0% C 0.158 H 29.4°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#A42C21
RGB	rgb(164, 44, 33)
HSL	hsl(5, 66%, 39%)
HSV	hsv(5, 80%, 64%)
CMYK	cmyk(0%, 73.2%, 79.9%, 35.7%)
CIE-LAB	lab(37.49, 48.28, 35.66)
CIE-LCH	lch(37.49, 60.02, 36.45°)
OKLab	oklab(47.97% 0.1378 0.0777)
OKLCH	oklch(47.97% 0.158 29.4)
XYZ	xyz(16.4870, 9.8062, 2.4632)
Luminance	0.0980 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42C21 #2199A4

analogous

#A42157 #A42C21 #A46D21

triadic

#A42C21 #21A42C #2C21A4

tetradic

#A42C21 #57A421 #2199A4 #6D21A4

square

#A42C21 #57A421 #2199A4 #6D21A4

split-complementary

#A42C21 #21A46D #2157A4

monochromatic

#3E110C #711E17 #A42C21 #D53B2D #DF6B60

Accessibility & contrast

On white

7.09

#A42C21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#A42C21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42C21

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42C21	#FFFFFF	#000000	##FFFFFF
##A42C21	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50471F

Deuteranopia (green-blind)

#6E621C

Tritanopia (blue-blind)

#B5002B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42c21;
/* rgb */ color: rgb(164, 44, 33);
/* oklch */ color: oklch(48.0% 0.158 29.4);

Tailwind

colors: {
  custom: {
    50: '#c86e5d',
    500: '#a42c21',
    950: '#000000',
  },
}

SCSS

$custom: #a42c21;
$custom-light: #c86e5d;
$custom-dark: #000000;

JSON

{
  "hex": "#a42c21",
  "rgb": {
    "r": 164,
    "g": 44,
    "b": 33
  },
  "hsl": {
    "h": 5.038,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47967,
    "c": 0.15816,
    "h": 29.4
  },
  "luminance": 0.09804
}

Semantic roles & 50–950 ramp

primary

#A42C21

secondary

#5DBBC4

accent

#DBE93E

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A42C21

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

Preview Lab → · Contrast checker → · Palette generator →