#A4351F#A4351F

#A4351F is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.150 H 33.1°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#A4351F
RGB	rgb(164, 53, 31)
HSL	hsl(10, 68%, 38%)
HSV	hsv(10, 81%, 64%)
CMYK	cmyk(0%, 67.7%, 81.1%, 35.7%)
CIE-LAB	lab(38.80, 44.60, 38.06)
CIE-LCH	lch(38.80, 58.63, 40.47°)
OKLab	oklab(48.94% 0.1259 0.0822)
OKLCH	oklch(48.94% 0.15 33.1)
XYZ	xyz(16.8322, 10.5402, 2.4442)
Luminance	0.1054 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4351F #1F8EA4

analogous

#A41F4B #A4351F #A4771F

triadic

#A4351F #1FA435 #351FA4

tetradic

#A4351F #4BA41F #1F8EA4 #771FA4

square

#A4351F #4BA41F #1F8EA4 #771FA4

split-complementary

#A4351F #1FA477 #1F4BA4

monochromatic

#3D140C #712415 #A4351F #D7462A #E0735D

Accessibility & contrast

On white

6.76

#A4351F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A4351F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4351F

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4351F	#FFFFFF	#000000	##FFFFFF
##A4351F	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C1B

Deuteranopia (green-blind)

#71641A

Tritanopia (blue-blind)

#B51231

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a4351f;
/* rgb */ color: rgb(164, 53, 31);
/* oklch */ color: oklch(48.9% 0.150 33.1);

Tailwind

colors: {
  custom: {
    50: '#c7725c',
    500: '#a4351f',
    950: '#000000',
  },
}

SCSS

$custom: #a4351f;
$custom-light: #c7725c;
$custom-dark: #000000;

JSON

{
  "hex": "#a4351f",
  "rgb": {
    "r": 164,
    "g": 53,
    "b": 31
  },
  "hsl": {
    "h": 9.925,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48937,
    "c": 0.15039,
    "h": 33.1
  },
  "luminance": 0.10538
}

Semantic roles & 50–950 ramp

primary

#A4351F

secondary

#5AB3C5

accent

#CEEB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A4351F

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

Preview Lab → · Contrast checker → · Palette generator →