#A42B2A#A42B2A

#A42B2A is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.0% C 0.158 H 25.8°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#A42B2A
RGB	rgb(164, 43, 42)
HSL	hsl(0, 59%, 40%)
HSV	hsv(0, 74%, 64%)
CMYK	cmyk(0%, 73.8%, 74.4%, 35.7%)
CIE-LAB	lab(37.46, 49.01, 30.42)
CIE-LCH	lch(37.46, 57.68, 31.83°)
OKLab	oklab(47.98% 0.142 0.0687)
OKLCH	oklch(47.98% 0.158 25.8)
XYZ	xyz(16.5935, 9.7900, 3.2060)
Luminance	0.0979 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42B2A #2AA3A4

analogous

#A42A66 #A42B2A #A4682A

triadic

#A42B2A #2AA42B #2B2AA4

tetradic

#A42B2A #66A42A #2AA3A4 #682AA4

square

#A42B2A #66A42A #2AA3A4 #682AA4

split-complementary

#A42B2A #2AA468 #2A66A4

monochromatic

#431111 #731E1E #A42B2A #CD3F3E #DA6F6E

Accessibility & contrast

On white

7.10

#A42B2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#A42B2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42B2A

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42B2A	#FFFFFF	#000000	##FFFFFF
##A42B2A	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4729

Deuteranopia (green-blind)

#6D6226

Tritanopia (blue-blind)

#B5002C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42b2a;
/* rgb */ color: rgb(164, 43, 42);
/* oklch */ color: oklch(48.0% 0.158 25.8);

Tailwind

colors: {
  custom: {
    50: '#c76e64',
    500: '#a42b2a',
    950: '#000000',
  },
}

SCSS

$custom: #a42b2a;
$custom-light: #c76e64;
$custom-dark: #000000;

JSON

{
  "hex": "#a42b2a",
  "rgb": {
    "r": 164,
    "g": 43,
    "b": 42
  },
  "hsl": {
    "h": 0.492,
    "s": 59.223,
    "l": 40.392
  },
  "oklch": {
    "l": 0.47979,
    "c": 0.15773,
    "h": 25.8
  },
  "luminance": 0.09787
}

Semantic roles & 50–950 ramp

primary

#A42B2A

secondary

#69C0C1

accent

#E1E245

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #A42B2A

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

Preview Lab → · Contrast checker → · Palette generator →