#A4301F#A4301F

#A4301F is a mid, vivid red. Relative luminance 0.101; OKLCH L 48.4% C 0.155 H 31.3°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#A4301F
RGB	rgb(164, 48, 31)
HSL	hsl(8, 68%, 38%)
HSV	hsv(8, 81%, 64%)
CMYK	cmyk(0%, 70.7%, 81.1%, 35.7%)
CIE-LAB	lab(38.04, 46.67, 37.31)
CIE-LCH	lch(38.04, 59.74, 38.64°)
OKLab	oklab(48.37% 0.1324 0.0806)
OKLCH	oklch(48.37% 0.155 31.3)
XYZ	xyz(16.6161, 10.1079, 2.3722)
Luminance	0.1011 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4301F #1F93A4

analogous

#A41F50 #A4301F #A4721F

triadic

#A4301F #1FA430 #301FA4

tetradic

#A4301F #50A41F #1F93A4 #721FA4

square

#A4301F #50A41F #1F93A4 #721FA4

split-complementary

#A4301F #1FA472 #1F50A4

monochromatic

#3D120C #712115 #A4301F #D7402A #E06E5D

Accessibility & contrast

On white

6.95

#A4301F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#A4301F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4301F

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4301F	#FFFFFF	#000000	##FFFFFF
##A4301F	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#52491C

Deuteranopia (green-blind)

#6F631A

Tritanopia (blue-blind)

#B5012D

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #a4301f;
/* rgb */ color: rgb(164, 48, 31);
/* oklch */ color: oklch(48.4% 0.155 31.3);

Tailwind

colors: {
  custom: {
    50: '#c8705c',
    500: '#a4301f',
    950: '#000000',
  },
}

SCSS

$custom: #a4301f;
$custom-light: #c8705c;
$custom-dark: #000000;

JSON

{
  "hex": "#a4301f",
  "rgb": {
    "r": 164,
    "g": 48,
    "b": 31
  },
  "hsl": {
    "h": 7.669,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48367,
    "c": 0.15495,
    "h": 31.3
  },
  "luminance": 0.10105
}

Semantic roles & 50–950 ramp

primary

#A4301F

secondary

#5AB7C5

accent

#D5EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A4301F

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

Preview Lab → · Contrast checker → · Palette generator →