#A01F23#A01F23

#A01F23 is a mid, vivid red. Relative luminance 0.086; OKLCH L 46.1% C 0.164 H 25.3°. Best body text is #FFFFFF at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#A01F23
RGB	rgb(160, 31, 35)
HSL	hsl(358, 68%, 37%)
HSV	hsv(358, 81%, 63%)
CMYK	cmyk(0%, 80.6%, 78.1%, 37.3%)
CIE-LAB	lab(35.16, 51.44, 31.81)
CIE-LCH	lch(35.16, 60.48, 31.74°)
OKLab	oklab(46.09% 0.1487 0.0702)
OKLCH	oklch(46.09% 0.164 25.3)
XYZ	xyz(15.2924, 8.5774, 2.4402)
Luminance	0.0858 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01F23 #1FA09C

analogous

#A01F63 #A01F23 #A05C1F

triadic

#A01F23 #23A01F #1F23A0

tetradic

#A01F23 #63A01F #1FA09C #5C1FA0

square

#A01F23 #63A01F #1FA09C #5C1FA0

split-complementary

#A01F23 #1FA05C #1F63A0

monochromatic

#390B0D #6D1518 #A01F23 #D3292E #DF5A5E

Accessibility & contrast

On white

7.73

#A01F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#A01F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01F23

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01F23	#FFFFFF	#000000	##FFFFFF
##A01F23	1.00	7.73	2.72	7.73
#FFFFFF	7.73	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484122

Deuteranopia (green-blind)

#685D1E

Tritanopia (blue-blind)

#B10022

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a01f23;
/* rgb */ color: rgb(160, 31, 35);
/* oklch */ color: oklch(46.1% 0.164 25.3);

Tailwind

colors: {
  custom: {
    50: '#c5685e',
    500: '#a01f23',
    950: '#000000',
  },
}

SCSS

$custom: #a01f23;
$custom-light: #c5685e;
$custom-dark: #000000;

JSON

{
  "hex": "#a01f23",
  "rgb": {
    "r": 160,
    "g": 31,
    "b": 35
  },
  "hsl": {
    "h": 358.14,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.46093,
    "c": 0.16439,
    "h": 25.3
  },
  "luminance": 0.08575
}

Semantic roles & 50–950 ramp

primary

#A01F23

secondary

#58C3C0

accent

#EAE53D

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01F23

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

Preview Lab → · Contrast checker → · Palette generator →