#A01729#A01729

#A01729 is a mid, vivid red. Relative luminance 0.082; OKLCH L 45.6% C 0.169 H 21.5°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#A01729
RGB	rgb(160, 23, 41)
HSL	hsl(352, 75%, 36%)
HSV	hsv(352, 86%, 63%)
CMYK	cmyk(0%, 85.6%, 74.4%, 37.3%)
CIE-LAB	lab(34.50, 53.78, 27.41)
CIE-LCH	lch(34.50, 60.36, 27.01°)
OKLab	oklab(45.63% 0.1575 0.0621)
OKLCH	oklch(45.63% 0.169 21.5)
XYZ	xyz(15.2057, 8.2489, 2.8890)
Luminance	0.0825 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01729 #17A08E

analogous

#A0176D #A01729 #A04917

triadic

#A01729 #29A017 #1729A0

tetradic

#A01729 #6DA017 #17A08E #4917A0

square

#A01729 #6DA017 #17A08E #4917A0

split-complementary

#A01729 #17A049 #176DA0

monochromatic

#35080E #6A0F1B #A01729 #D61F37 #E54C60

Accessibility & contrast

On white

7.93

#A01729 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#A01729 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01729

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01729	#FFFFFF	#000000	##FFFFFF
##A01729	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443F28

Deuteranopia (green-blind)

#655B24

Tritanopia (blue-blind)

#B00020

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01729;
/* rgb */ color: rgb(160, 23, 41);
/* oklch */ color: oklch(45.6% 0.169 21.5);

Tailwind

colors: {
  custom: {
    50: '#c56562',
    500: '#a01729',
    950: '#000000',
  },
}

SCSS

$custom: #a01729;
$custom-light: #c56562;
$custom-dark: #000000;

JSON

{
  "hex": "#a01729",
  "rgb": {
    "r": 160,
    "g": 23,
    "b": 41
  },
  "hsl": {
    "h": 352.117,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45628,
    "c": 0.16927,
    "h": 21.5
  },
  "luminance": 0.08246
}

Semantic roles & 50–950 ramp

primary

#A01729

secondary

#4CC7B7

accent

#F1D936

background

#FDF6F5

surface

#FAEBEA

border

#D3C6C6

text

#140705

muted

#837A79

Preview Lab

Preview with #A01729

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

Preview Lab → · Contrast checker → · Palette generator →