#A6361F#A6361F

#A6361F is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.152 H 33.4°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#A6361F
RGB	rgb(166, 54, 31)
HSL	hsl(10, 69%, 39%)
HSV	hsv(10, 81%, 65%)
CMYK	cmyk(0%, 67.5%, 81.3%, 34.9%)
CIE-LAB	lab(39.32, 44.88, 38.70)
CIE-LCH	lch(39.32, 59.26, 40.77°)
OKLab	oklab(49.4% 0.1266 0.0835)
OKLCH	oklch(49.4% 0.152 33.4)
XYZ	xyz(17.2944, 10.8468, 2.4791)
Luminance	0.1084 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6361F #1F8FA6

analogous

#A61F4B #A6361F #A6791F

triadic

#A6361F #1FA636 #361FA6

tetradic

#A6361F #4BA61F #1F8FA6 #791FA6

square

#A6361F #4BA61F #1F8FA6 #791FA6

split-complementary

#A6361F #1FA679 #1F4BA6

monochromatic

#3F140C #722515 #A6361F #D7482B #E1755E

Accessibility & contrast

On white

6.63

#A6361F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A6361F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6361F

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6361F	#FFFFFF	#000000	##FFFFFF
##A6361F	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D1B

Deuteranopia (green-blind)

#72661A

Tritanopia (blue-blind)

#B71332

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a6361f;
/* rgb */ color: rgb(166, 54, 31);
/* oklch */ color: oklch(49.4% 0.152 33.4);

Tailwind

colors: {
  custom: {
    50: '#c9735d',
    500: '#a6361f',
    950: '#000000',
  },
}

SCSS

$custom: #a6361f;
$custom-light: #c9735d;
$custom-dark: #000000;

JSON

{
  "hex": "#a6361f",
  "rgb": {
    "r": 166,
    "g": 54,
    "b": 31
  },
  "hsl": {
    "h": 10.222,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49401,
    "c": 0.15161,
    "h": 33.4
  },
  "luminance": 0.10844
}

Semantic roles & 50–950 ramp

primary

#A6361F

secondary

#5BB3C5

accent

#CEEB3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A6361F

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

Preview Lab → · Contrast checker → · Palette generator →