#A42A22#A42A22

#A42A22 is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.8% C 0.160 H 28.5°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#A42A22
RGB	rgb(164, 42, 34)
HSL	hsl(4, 66%, 39%)
HSV	hsv(4, 79%, 64%)
CMYK	cmyk(0%, 74.4%, 79.3%, 35.7%)
CIE-LAB	lab(37.24, 49.05, 34.84)
CIE-LCH	lch(37.24, 60.16, 35.38°)
OKLab	oklab(47.78% 0.1404 0.0762)
OKLCH	oklch(47.78% 0.16 28.5)
XYZ	xyz(16.4285, 9.6665, 2.5139)
Luminance	0.0966 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42A22 #229CA4

analogous

#A4225B #A42A22 #A46B22

triadic

#A42A22 #22A42A #2A22A4

tetradic

#A42A22 #5BA422 #229CA4 #6B22A4

square

#A42A22 #5BA422 #229CA4 #6B22A4

split-complementary

#A42A22 #22A46B #225BA4

monochromatic

#3F100D #711D17 #A42A22 #D4392F #DE6A62

Accessibility & contrast

On white

7.16

#A42A22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A42A22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A42A22

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42A22	#FFFFFF	#000000	##FFFFFF
##A42A22	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4720

Deuteranopia (green-blind)

#6D611D

Tritanopia (blue-blind)

#B50029

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a42a22;
/* rgb */ color: rgb(164, 42, 34);
/* oklch */ color: oklch(47.8% 0.160 28.5);

Tailwind

colors: {
  custom: {
    50: '#c86d5e',
    500: '#a42a22',
    950: '#000000',
  },
}

SCSS

$custom: #a42a22;
$custom-light: #c86d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#a42a22",
  "rgb": {
    "r": 164,
    "g": 42,
    "b": 34
  },
  "hsl": {
    "h": 3.692,
    "s": 65.657,
    "l": 38.824
  },
  "oklch": {
    "l": 0.4778,
    "c": 0.15974,
    "h": 28.5
  },
  "luminance": 0.09664
}

Semantic roles & 50–950 ramp

primary

#A42A22

secondary

#5EBDC4

accent

#DEE93F

background

#FDF6F5

surface

#FAECE9

border

#D3C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A42A22

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

Preview Lab → · Contrast checker → · Palette generator →