#A6401F#A6401F

#A6401F is a mid, vivid red. Relative luminance 0.119; OKLCH L 50.7% C 0.142 H 37.7°. Best body text is #FFFFFF at 6.22:1 contrast (WCAG AA passes).

Color values

HEX	#A6401F
RGB	rgb(166, 64, 31)
HSL	hsl(15, 69%, 39%)
HSV	hsv(15, 81%, 65%)
CMYK	cmyk(0%, 61.4%, 81.3%, 34.9%)
CIE-LAB	lab(41.02, 40.35, 40.34)
CIE-LCH	lch(41.02, 57.06, 45.00°)
OKLab	oklab(50.68% 0.1126 0.0871)
OKLCH	oklch(50.68% 0.142 37.7)
XYZ	xyz(17.8085, 11.8752, 2.6505)
Luminance	0.1187 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6401F #1F85A6

analogous

#A61F41 #A6401F #A6831F

triadic

#A6401F #1FA640 #401FA6

tetradic

#A6401F #41A61F #1F85A6 #831FA6

square

#A6401F #41A61F #1F85A6 #831FA6

split-complementary

#A6401F #1FA683 #1F41A6

monochromatic

#3F180C #722C15 #A6401F #D7552B #E17E5E

Accessibility & contrast

On white

6.22

#A6401F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#A6401F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6401F

6.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6401F	#FFFFFF	#000000	##FFFFFF
##A6401F	1.00	6.22	3.37	6.22
#FFFFFF	6.22	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D521A

Deuteranopia (green-blind)

#76691B

Tritanopia (blue-blind)

#B72739

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a6401f;
/* rgb */ color: rgb(166, 64, 31);
/* oklch */ color: oklch(50.7% 0.142 37.7);

Tailwind

colors: {
  custom: {
    50: '#c8795d',
    500: '#a6401f',
    950: '#000000',
  },
}

SCSS

$custom: #a6401f;
$custom-light: #c8795d;
$custom-dark: #000000;

JSON

{
  "hex": "#a6401f",
  "rgb": {
    "r": 166,
    "g": 64,
    "b": 31
  },
  "hsl": {
    "h": 14.667,
    "s": 68.528,
    "l": 38.627
  },
  "oklch": {
    "l": 0.50679,
    "c": 0.14233,
    "h": 37.7
  },
  "luminance": 0.11873
}

Semantic roles & 50–950 ramp

primary

#A6401F

secondary

#5BACC5

accent

#C1EB3C

background

#FDF7F5

surface

#FAEEE9

border

#D3C9C5

text

#150904

muted

#837B79

Preview Lab

Preview with #A6401F

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

Preview Lab → · Contrast checker → · Palette generator →