#A1301A#A1301A

#A1301A is a mid, vivid red. Relative luminance 0.098; OKLCH L 47.8% C 0.153 H 33.0°. Best body text is #FFFFFF at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#A1301A
RGB	rgb(161, 48, 26)
HSL	hsl(10, 72%, 37%)
HSV	hsv(10, 84%, 63%)
CMYK	cmyk(0%, 70.2%, 83.9%, 36.9%)
CIE-LAB	lab(37.42, 45.48, 39.14)
CIE-LCH	lch(37.42, 60.00, 40.71°)
OKLab	oklab(47.79% 0.1281 0.0831)
OKLCH	oklch(47.79% 0.153 33)
XYZ	xyz(15.9432, 9.7680, 2.0230)
Luminance	0.0977 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1301A #1A8BA1

analogous

#A11A48 #A1301A #A1741A

triadic

#A1301A #1AA130 #301AA1

tetradic

#A1301A #48A11A #1A8BA1 #741AA1

square

#A1301A #48A11A #1A8BA1 #741AA1

split-complementary

#A1301A #1AA174 #1A48A1

monochromatic

#381109 #6C2011 #A1301A #D64023 #E36A52

Accessibility & contrast

On white

7.11

#A1301A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.95

#A1301A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A1301A

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1301A	#FFFFFF	#000000	##FFFFFF
##A1301A	1.00	7.11	2.95	7.11
#FFFFFF	7.11	1.00	21.00	1.00
#000000	2.95	21.00	1.00	21.00
##FFFFFF	7.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514816

Deuteranopia (green-blind)

#6D6114

Tritanopia (blue-blind)

#B2042C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a1301a;
/* rgb */ color: rgb(161, 48, 26);
/* oklch */ color: oklch(47.8% 0.153 33.0);

Tailwind

colors: {
  custom: {
    50: '#c66f59',
    500: '#a1301a',
    950: '#000000',
  },
}

SCSS

$custom: #a1301a;
$custom-light: #c66f59;
$custom-dark: #000000;

JSON

{
  "hex": "#a1301a",
  "rgb": {
    "r": 161,
    "g": 48,
    "b": 26
  },
  "hsl": {
    "h": 9.778,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.4779,
    "c": 0.15266,
    "h": 33
  },
  "luminance": 0.09766
}

Semantic roles & 50–950 ramp

primary

#A1301A

secondary

#51B3C6

accent

#D1EF39

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150803

muted

#837B78

Preview Lab

Preview with #A1301A

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

Preview Lab → · Contrast checker → · Palette generator →