#A42D2B#A42D2B

#A42D2B is a mid, vivid red. Relative luminance 0.099; OKLCH L 48.2% C 0.156 H 26.0°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#A42D2B
RGB	rgb(164, 45, 43)
HSL	hsl(1, 58%, 41%)
HSV	hsv(1, 74%, 64%)
CMYK	cmyk(0%, 72.6%, 73.8%, 35.7%)
CIE-LAB	lab(37.75, 48.31, 30.14)
CIE-LCH	lch(37.75, 56.94, 31.96°)
OKLab	oklab(48.19% 0.14 0.0683)
OKLCH	oklch(48.19% 0.156 26)
XYZ	xyz(16.6862, 9.9462, 3.3262)
Luminance	0.0994 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42D2B #2BA2A4

analogous

#A42B65 #A42D2B #A4692B

triadic

#A42D2B #2BA42D #2D2BA4

tetradic

#A42D2B #65A42B #2BA2A4 #692BA4

square

#A42D2B #65A42B #2BA2A4 #692BA4

split-complementary

#A42D2B #2BA469 #2B65A4

monochromatic

#431212 #74201E #A42D2B #CD423F #D97270

Accessibility & contrast

On white

7.03

#A42D2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#A42D2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42D2B

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42D2B	#FFFFFF	#000000	##FFFFFF
##A42D2B	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50482A

Deuteranopia (green-blind)

#6D6227

Tritanopia (blue-blind)

#B5002E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42d2b;
/* rgb */ color: rgb(164, 45, 43);
/* oklch */ color: oklch(48.2% 0.156 26.0);

Tailwind

colors: {
  custom: {
    50: '#c76f64',
    500: '#a42d2b',
    950: '#000000',
  },
}

SCSS

$custom: #a42d2b;
$custom-light: #c76f64;
$custom-dark: #000000;

JSON

{
  "hex": "#a42d2b",
  "rgb": {
    "r": 164,
    "g": 45,
    "b": 43
  },
  "hsl": {
    "h": 0.992,
    "s": 58.454,
    "l": 40.588
  },
  "oklch": {
    "l": 0.48194,
    "c": 0.15577,
    "h": 26
  },
  "luminance": 0.09944
}

Semantic roles & 50–950 ramp

primary

#A42D2B

secondary

#6ABFC1

accent

#DFE246

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140805

muted

#837B7A

Preview Lab

Preview with #A42D2B

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

Preview Lab → · Contrast checker → · Palette generator →