#A01F1F#A01F1F

#A01F1F is a mid, vivid red. Relative luminance 0.086; OKLCH L 46.0% C 0.165 H 26.7°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#A01F1F
RGB	rgb(160, 31, 31)
HSL	hsl(0, 68%, 37%)
HSV	hsv(0, 81%, 63%)
CMYK	cmyk(0%, 80.6%, 80.6%, 37.3%)
CIE-LAB	lab(35.11, 51.30, 34.11)
CIE-LCH	lch(35.11, 61.60, 33.62°)
OKLab	oklab(46.05% 0.1473 0.0739)
OKLCH	oklch(46.05% 0.165 26.7)
XYZ	xyz(15.2364, 8.5549, 2.1451)
Luminance	0.0855 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01F1F #1FA0A0

analogous

#A01F60 #A01F1F #A0601F

triadic

#A01F1F #1FA01F #1F1FA0

tetradic

#A01F1F #60A01F #1FA0A0 #601FA0

square

#A01F1F #60A01F #1FA0A0 #601FA0

split-complementary

#A01F1F #1FA060 #1F60A0

monochromatic

#390B0B #6D1515 #A01F1F #D32929 #DF5A5A

Accessibility & contrast

On white

7.75

#A01F1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#A01F1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01F1F

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01F1F	#FFFFFF	#000000	##FFFFFF
##A01F1F	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48411D

Deuteranopia (green-blind)

#685D19

Tritanopia (blue-blind)

#B10021

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a01f1f;
/* rgb */ color: rgb(160, 31, 31);
/* oklch */ color: oklch(46.0% 0.165 26.7);

Tailwind

colors: {
  custom: {
    50: '#c5685b',
    500: '#a01f1f',
    950: '#000000',
  },
}

SCSS

$custom: #a01f1f;
$custom-light: #c5685b;
$custom-dark: #000000;

JSON

{
  "hex": "#a01f1f",
  "rgb": {
    "r": 160,
    "g": 31,
    "b": 31
  },
  "hsl": {
    "h": 0,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.46046,
    "c": 0.16484,
    "h": 26.7
  },
  "luminance": 0.08552
}

Semantic roles & 50–950 ramp

primary

#A01F1F

secondary

#58C3C3

accent

#EAEA3D

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01F1F

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

Preview Lab → · Contrast checker → · Palette generator →