#A8301B#A8301B

#A8301B is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.0% C 0.160 H 32.3°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#A8301B
RGB	rgb(168, 48, 27)
HSL	hsl(9, 72%, 38%)
HSV	hsv(9, 84%, 66%)
CMYK	cmyk(0%, 71.4%, 83.9%, 34.1%)
CIE-LAB	lab(38.76, 47.90, 40.35)
CIE-LCH	lch(38.76, 62.63, 40.11°)
OKLab	oklab(49.04% 0.135 0.0855)
OKLCH	oklch(49.04% 0.16 32.3)
XYZ	xyz(17.4053, 10.5206, 2.1509)
Luminance	0.1052 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A8301B #1B93A8

analogous

#A81B4C #A8301B #A8761B

triadic

#A8301B #1BA830 #301BA8

tetradic

#A8301B #4CA81B #1B93A8 #761BA8

square

#A8301B #4CA81B #1B93A8 #761BA8

split-complementary

#A8301B #1BA876 #1B4CA8

monochromatic

#3F120A #732113 #A8301B #DC4024 #E46E59

Accessibility & contrast

On white

6.77

#A8301B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A8301B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A8301B

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A8301B	#FFFFFF	#000000	##FFFFFF
##A8301B	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544A17

Deuteranopia (green-blind)

#726515

Tritanopia (blue-blind)

#B9002C

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a8301b;
/* rgb */ color: rgb(168, 48, 27);
/* oklch */ color: oklch(49.0% 0.160 32.3);

Tailwind

colors: {
  custom: {
    50: '#cb705a',
    500: '#a8301b',
    950: '#000000',
  },
}

SCSS

$custom: #a8301b;
$custom-light: #cb705a;
$custom-dark: #000000;

JSON

{
  "hex": "#a8301b",
  "rgb": {
    "r": 168,
    "g": 48,
    "b": 27
  },
  "hsl": {
    "h": 8.936,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.49039,
    "c": 0.15979,
    "h": 32.3
  },
  "luminance": 0.10518
}

Semantic roles & 50–950 ramp

primary

#A8301B

secondary

#57B7C8

accent

#D4EF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A8301B

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

Preview Lab → · Contrast checker → · Palette generator →