#A42A2A#A42A2A

#A42A2A is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.9% C 0.159 H 25.5°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#A42A2A
RGB	rgb(164, 42, 42)
HSL	hsl(0, 59%, 40%)
HSV	hsv(0, 74%, 64%)
CMYK	cmyk(0%, 74.4%, 74.4%, 35.7%)
CIE-LAB	lab(37.33, 49.37, 30.27)
CIE-LCH	lch(37.33, 57.91, 31.51°)
OKLab	oklab(47.88% 0.1431 0.0684)
OKLCH	oklch(47.88% 0.159 25.5)
XYZ	xyz(16.5576, 9.7181, 3.1940)
Luminance	0.0972 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42A2A #2AA4A4

analogous

#A42A67 #A42A2A #A4672A

triadic

#A42A2A #2AA42A #2A2AA4

tetradic

#A42A2A #67A42A #2AA4A4 #672AA4

square

#A42A2A #67A42A #2AA4A4 #672AA4

split-complementary

#A42A2A #2AA467 #2A67A4

monochromatic

#431111 #731E1E #A42A2A #CD3E3E #DA6E6E

Accessibility & contrast

On white

7.14

#A42A2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#A42A2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42A2A

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42A2A	#FFFFFF	#000000	##FFFFFF
##A42A2A	1.00	7.14	2.94	7.14
#FFFFFF	7.14	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4729

Deuteranopia (green-blind)

#6C6126

Tritanopia (blue-blind)

#B5002C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42a2a;
/* rgb */ color: rgb(164, 42, 42);
/* oklch */ color: oklch(47.9% 0.159 25.5);

Tailwind

colors: {
  custom: {
    50: '#c76d64',
    500: '#a42a2a',
    950: '#000000',
  },
}

SCSS

$custom: #a42a2a;
$custom-light: #c76d64;
$custom-dark: #000000;

JSON

{
  "hex": "#a42a2a",
  "rgb": {
    "r": 164,
    "g": 42,
    "b": 42
  },
  "hsl": {
    "h": 0,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.47881,
    "c": 0.15863,
    "h": 25.5
  },
  "luminance": 0.09716
}

Semantic roles & 50–950 ramp

primary

#A42A2A

secondary

#69C1C1

accent

#E2E245

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #A42A2A

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

Preview Lab → · Contrast checker → · Palette generator →