#A0301A#A0301A

#A0301A is a mid, vivid red. Relative luminance 0.097; OKLCH L 47.6% C 0.152 H 33.0°. Best body text is #FFFFFF at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#A0301A
RGB	rgb(160, 48, 26)
HSL	hsl(10, 72%, 36%)
HSV	hsv(10, 84%, 63%)
CMYK	cmyk(0%, 70%, 83.8%, 37.3%)
CIE-LAB	lab(37.23, 45.13, 38.89)
CIE-LCH	lch(37.23, 59.58, 40.75°)
OKLab	oklab(47.61% 0.1271 0.0827)
OKLCH	oklch(47.61% 0.152 33)
XYZ	xyz(15.7425, 9.6645, 2.0136)
Luminance	0.0966 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0301A #1A8AA0

analogous

#A01A47 #A0301A #A0731A

triadic

#A0301A #1AA030 #301AA0

tetradic

#A0301A #47A01A #1A8AA0 #731AA0

square

#A0301A #47A01A #1A8AA0 #731AA0

split-complementary

#A0301A #1AA073 #1A47A0

monochromatic

#371009 #6B2011 #A0301A #D54023 #E36952

Accessibility & contrast

On white

7.16

#A0301A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#A0301A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0301A

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0301A	#FFFFFF	#000000	##FFFFFF
##A0301A	1.00	7.16	2.93	7.16
#FFFFFF	7.16	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514816

Deuteranopia (green-blind)

#6D6114

Tritanopia (blue-blind)

#B1052C

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a0301a;
/* rgb */ color: rgb(160, 48, 26);
/* oklch */ color: oklch(47.6% 0.152 33.0);

Tailwind

colors: {
  custom: {
    50: '#c56f59',
    500: '#a0301a',
    950: '#000000',
  },
}

SCSS

$custom: #a0301a;
$custom-light: #c56f59;
$custom-dark: #000000;

JSON

{
  "hex": "#a0301a",
  "rgb": {
    "r": 160,
    "g": 48,
    "b": 26
  },
  "hsl": {
    "h": 9.851,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.47613,
    "c": 0.15161,
    "h": 33
  },
  "luminance": 0.09662
}

Semantic roles & 50–950 ramp

primary

#A0301A

secondary

#50B2C5

accent

#D1EF39

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140803

muted

#837B78

Preview Lab

Preview with #A0301A

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

Preview Lab → · Contrast checker → · Palette generator →