#A6301B#A6301B

#A6301B is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.7% C 0.158 H 32.4°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#A6301B
RGB	rgb(166, 48, 27)
HSL	hsl(9, 72%, 38%)
HSV	hsv(9, 84%, 65%)
CMYK	cmyk(0%, 71.1%, 83.7%, 34.9%)
CIE-LAB	lab(38.38, 47.22, 39.86)
CIE-LCH	lch(38.38, 61.79, 40.17°)
OKLab	oklab(48.68% 0.1331 0.0846)
OKLCH	oklch(48.68% 0.158 32.4)
XYZ	xyz(16.9827, 10.3026, 2.1311)
Luminance	0.1030 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6301B #1B91A6

analogous

#A61B4B #A6301B #A6761B

triadic

#A6301B #1BA630 #301BA6

tetradic

#A6301B #4BA61B #1B91A6 #761BA6

square

#A6301B #4BA61B #1B91A6 #761BA6

split-complementary

#A6301B #1BA676 #1B4BA6

monochromatic

#3D120A #712112 #A6301B #DB3F24 #E46D58

Accessibility & contrast

On white

6.86

#A6301B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#A6301B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6301B

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6301B	#FFFFFF	#000000	##FFFFFF
##A6301B	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534A17

Deuteranopia (green-blind)

#706415

Tritanopia (blue-blind)

#B7002C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a6301b;
/* rgb */ color: rgb(166, 48, 27);
/* oklch */ color: oklch(48.7% 0.158 32.4);

Tailwind

colors: {
  custom: {
    50: '#c9705a',
    500: '#a6301b',
    950: '#000000',
  },
}

SCSS

$custom: #a6301b;
$custom-light: #c9705a;
$custom-dark: #000000;

JSON

{
  "hex": "#a6301b",
  "rgb": {
    "r": 166,
    "g": 48,
    "b": 27
  },
  "hsl": {
    "h": 9.065,
    "s": 72.021,
    "l": 37.843
  },
  "oklch": {
    "l": 0.48684,
    "c": 0.15772,
    "h": 32.4
  },
  "luminance": 0.103
}

Semantic roles & 50–950 ramp

primary

#A6301B

secondary

#56B6C7

accent

#D3EF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A6301B

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

Preview Lab → · Contrast checker → · Palette generator →