#A42F1F#A42F1F

#A42F1F is a mid, vivid red. Relative luminance 0.100; OKLCH L 48.3% C 0.156 H 31.0°. Best body text is #FFFFFF at 6.99:1 contrast (WCAG AA passes).

Color values

HEX	#A42F1F
RGB	rgb(164, 47, 31)
HSL	hsl(7, 68%, 38%)
HSV	hsv(7, 81%, 64%)
CMYK	cmyk(0%, 71.3%, 81.1%, 35.7%)
CIE-LAB	lab(37.89, 47.06, 37.16)
CIE-LCH	lch(37.89, 59.96, 38.30°)
OKLab	oklab(48.26% 0.1336 0.0803)
OKLCH	oklch(48.26% 0.156 31)
XYZ	xyz(16.5756, 10.0270, 2.3587)
Luminance	0.1002 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A42F1F #1F94A4

analogous

#A41F51 #A42F1F #A4711F

triadic

#A42F1F #1FA42F #2F1FA4

tetradic

#A42F1F #51A41F #1F94A4 #711FA4

square

#A42F1F #51A41F #1F94A4 #711FA4

split-complementary

#A42F1F #1FA471 #1F51A4

monochromatic

#3D110C #712015 #A42F1F #D73E2A #E06D5D

Accessibility & contrast

On white

6.99

#A42F1F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.00

#A42F1F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A42F1F

6.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A42F1F	#FFFFFF	#000000	##FFFFFF
##A42F1F	1.00	6.99	3.00	6.99
#FFFFFF	6.99	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	6.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491C

Deuteranopia (green-blind)

#6F631A

Tritanopia (blue-blind)

#B5002C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a42f1f;
/* rgb */ color: rgb(164, 47, 31);
/* oklch */ color: oklch(48.3% 0.156 31.0);

Tailwind

colors: {
  custom: {
    50: '#c86f5c',
    500: '#a42f1f',
    950: '#000000',
  },
}

SCSS

$custom: #a42f1f;
$custom-light: #c86f5c;
$custom-dark: #000000;

JSON

{
  "hex": "#a42f1f",
  "rgb": {
    "r": 164,
    "g": 47,
    "b": 31
  },
  "hsl": {
    "h": 7.218,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48259,
    "c": 0.15585,
    "h": 31
  },
  "luminance": 0.10024
}

Semantic roles & 50–950 ramp

primary

#A42F1F

secondary

#5AB8C5

accent

#D6EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A42F1F

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

Preview Lab → · Contrast checker → · Palette generator →