#A42A28#A42A28

#A42A28 is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.9% C 0.159 H 26.3°. Best body text is #FFFFFF at 7.14:1 contrast (WCAG AA passes).

Color values

HEX	#A42A28
RGB	rgb(164, 42, 40)
HSL	hsl(1, 61%, 40%)
HSV	hsv(1, 76%, 64%)
CMYK	cmyk(0%, 74.4%, 75.6%, 35.7%)
CIE-LAB	lab(37.31, 49.28, 31.43)
CIE-LCH	lch(37.31, 58.45, 32.53°)
OKLab	oklab(47.85% 0.1424 0.0704)
OKLCH	oklch(47.85% 0.159 26.3)
XYZ	xyz(16.5227, 9.7042, 3.0102)
Luminance	0.0970 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42A28 #28A2A4

analogous

#A42864 #A42A28 #A46828

triadic

#A42A28 #28A42A #2A28A4

tetradic

#A42A28 #64A428 #28A2A4 #6828A4

square

#A42A28 #64A428 #28A2A4 #6828A4

split-complementary

#A42A28 #28A468 #2864A4

monochromatic

#421110 #731D1C #A42A28 #CF3D3A #DB6D6B

Accessibility & contrast

On white

7.14

#A42A28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#A42A28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42A28

7.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42A28	#FFFFFF	#000000	##FFFFFF
##A42A28	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)

#4E4726

Deuteranopia (green-blind)

#6D6123

Tritanopia (blue-blind)

#B5002B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42a28;
/* rgb */ color: rgb(164, 42, 40);
/* oklch */ color: oklch(47.9% 0.159 26.3);

Tailwind

colors: {
  custom: {
    50: '#c76d62',
    500: '#a42a28',
    950: '#000000',
  },
}

SCSS

$custom: #a42a28;
$custom-light: #c76d62;
$custom-dark: #000000;

JSON

{
  "hex": "#a42a28",
  "rgb": {
    "r": 164,
    "g": 42,
    "b": 40
  },
  "hsl": {
    "h": 0.968,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.47854,
    "c": 0.15889,
    "h": 26.3
  },
  "luminance": 0.09702
}

Semantic roles & 50–950 ramp

primary

#A42A28

secondary

#66C0C1

accent

#E1E444

background

#FDF6F5

surface

#FAECEA

border

#D3C7C6

text

#150805

muted

#837B79

Preview Lab

Preview with #A42A28

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

Preview Lab → · Contrast checker → · Palette generator →