#A01A1F#A01A1F

#A01A1F is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.7% C 0.168 H 25.7°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#A01A1F
RGB	rgb(160, 26, 31)
HSL	hsl(358, 72%, 36%)
HSV	hsv(358, 84%, 63%)
CMYK	cmyk(0%, 83.8%, 80.6%, 37.3%)
CIE-LAB	lab(34.63, 52.67, 33.61)
CIE-LCH	lch(34.63, 62.48, 32.54°)
OKLab	oklab(45.69% 0.1517 0.0729)
OKLCH	oklch(45.69% 0.168 25.7)
XYZ	xyz(15.1158, 8.3138, 2.1049)
Luminance	0.0831 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01A1F #1AA09B

analogous

#A01A62 #A01A1F #A0581A

triadic

#A01A1F #1FA01A #1A1FA0

tetradic

#A01A1F #62A01A #1AA09B #581AA0

square

#A01A1F #62A01A #1AA09B #581AA0

split-complementary

#A01A1F #1AA058 #1A62A0

monochromatic

#37090B #6B1115 #A01A1F #D52329 #E35257

Accessibility & contrast

On white

7.89

#A01A1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#A01A1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01A1F

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01A1F	#FFFFFF	#000000	##FFFFFF
##A01A1F	1.00	7.89	2.66	7.89
#FFFFFF	7.89	1.00	21.00	1.00
#000000	2.66	21.00	1.00	21.00
##FFFFFF	7.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463F1D

Deuteranopia (green-blind)

#675C19

Tritanopia (blue-blind)

#B1001E

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01a1f;
/* rgb */ color: rgb(160, 26, 31);
/* oklch */ color: oklch(45.7% 0.168 25.7);

Tailwind

colors: {
  custom: {
    50: '#c5665b',
    500: '#a01a1f',
    950: '#000000',
  },
}

SCSS

$custom: #a01a1f;
$custom-light: #c5665b;
$custom-dark: #000000;

JSON

{
  "hex": "#a01a1f",
  "rgb": {
    "r": 160,
    "g": 26,
    "b": 31
  },
  "hsl": {
    "h": 357.761,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.45686,
    "c": 0.16825,
    "h": 25.7
  },
  "luminance": 0.08311
}

Semantic roles & 50–950 ramp

primary

#A01A1F

secondary

#50C5C1

accent

#EFE839

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01A1F

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

Preview Lab → · Contrast checker → · Palette generator →