#A6361D#A6361D

#A6361D is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.152 H 34.0°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#A6361D
RGB	rgb(166, 54, 29)
HSL	hsl(11, 70%, 38%)
HSV	hsv(11, 83%, 65%)
CMYK	cmyk(0%, 67.5%, 82.5%, 34.9%)
CIE-LAB	lab(39.30, 44.81, 39.71)
CIE-LCH	lch(39.30, 59.87, 41.55°)
OKLab	oklab(49.38% 0.126 0.085)
OKLCH	oklch(49.38% 0.152 34)
XYZ	xyz(17.2688, 10.8366, 2.3445)
Luminance	0.1083 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6361D #1D8DA6

analogous

#A61D48 #A6361D #A67A1D

triadic

#A6361D #1DA636 #361DA6

tetradic

#A6361D #48A61D #1D8DA6 #7A1DA6

square

#A6361D #48A61D #1D8DA6 #7A1DA6

split-complementary

#A6361D #1DA67A #1D48A6

monochromatic

#3E140B #722514 #A6361D #D94727 #E2745B

Accessibility & contrast

On white

6.63

#A6361D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A6361D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6361D

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6361D	#FFFFFF	#000000	##FFFFFF
##A6361D	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)

#574D19

Deuteranopia (green-blind)

#726618

Tritanopia (blue-blind)

#B71231

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a6361d;
/* rgb */ color: rgb(166, 54, 29);
/* oklch */ color: oklch(49.4% 0.152 34.0);

Tailwind

colors: {
  custom: {
    50: '#c9735b',
    500: '#a6361d',
    950: '#000000',
  },
}

SCSS

$custom: #a6361d;
$custom-light: #c9735b;
$custom-dark: #000000;

JSON

{
  "hex": "#a6361d",
  "rgb": {
    "r": 166,
    "g": 54,
    "b": 29
  },
  "hsl": {
    "h": 10.949,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49382,
    "c": 0.152,
    "h": 34
  },
  "luminance": 0.10834
}

Semantic roles & 50–950 ramp

primary

#A6361D

secondary

#59B2C6

accent

#CDED3B

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A6361D

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

Preview Lab → · Contrast checker → · Palette generator →