#A6391F#A6391F

#A6391F is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.149 H 34.6°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#A6391F
RGB	rgb(166, 57, 31)
HSL	hsl(12, 69%, 39%)
HSV	hsv(12, 81%, 65%)
CMYK	cmyk(0%, 65.7%, 81.3%, 34.9%)
CIE-LAB	lab(39.81, 43.57, 39.17)
CIE-LCH	lch(39.81, 58.59, 41.96°)
OKLab	oklab(49.77% 0.1225 0.0845)
OKLCH	oklch(49.77% 0.149 34.6)
XYZ	xyz(17.4383, 11.1347, 2.5270)
Luminance	0.1113 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6391F #1F8CA6

analogous

#A61F48 #A6391F #A67C1F

triadic

#A6391F #1FA639 #391FA6

tetradic

#A6391F #48A61F #1F8CA6 #7C1FA6

square

#A6391F #48A61F #1F8CA6 #7C1FA6

split-complementary

#A6391F #1FA67C #1F48A6

monochromatic

#3F160C #722715 #A6391F #D74C2B #E1785E

Accessibility & contrast

On white

6.51

#A6391F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#A6391F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6391F

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6391F	#FFFFFF	#000000	##FFFFFF
##A6391F	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F1B

Deuteranopia (green-blind)

#73671A

Tritanopia (blue-blind)

#B71A34

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a6391f;
/* rgb */ color: rgb(166, 57, 31);
/* oklch */ color: oklch(49.8% 0.149 34.6);

Tailwind

colors: {
  custom: {
    50: '#c9755d',
    500: '#a6391f',
    950: '#000000',
  },
}

SCSS

$custom: #a6391f;
$custom-light: #c9755d;
$custom-dark: #000000;

JSON

{
  "hex": "#a6391f",
  "rgb": {
    "r": 166,
    "g": 57,
    "b": 31
  },
  "hsl": {
    "h": 11.556,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.49766,
    "c": 0.14884,
    "h": 34.6
  },
  "luminance": 0.11132
}

Semantic roles & 50–950 ramp

primary

#A6391F

secondary

#5BB1C5

accent

#CAEB3C

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A6391F

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

Preview Lab → · Contrast checker → · Palette generator →