#A01731#A01731

#A01731 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.8% C 0.169 H 18.2°. Best body text is #FFFFFF at 7.89:1 contrast (WCAG AA passes).

Color values

HEX	#A01731
RGB	rgb(160, 23, 49)
HSL	hsl(349, 75%, 36%)
HSV	hsv(349, 86%, 63%)
CMYK	cmyk(0%, 85.6%, 69.4%, 37.3%)
CIE-LAB	lab(34.62, 54.15, 22.50)
CIE-LCH	lch(34.62, 58.63, 22.56°)
OKLab	oklab(45.76% 0.1605 0.0527)
OKLCH	oklch(45.76% 0.169 18.2)
XYZ	xyz(15.3597, 8.3106, 3.7005)
Luminance	0.0831 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01731 #17A086

analogous

#A01775 #A01731 #A04117

triadic

#A01731 #31A017 #1731A0

tetradic

#A01731 #75A017 #17A086 #4117A0

square

#A01731 #75A017 #17A086 #4117A0

split-complementary

#A01731 #17A041 #1775A0

monochromatic

#350810 #6A0F21 #A01731 #D61F41 #E54C69

Accessibility & contrast

On white

7.89

#A01731 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.66

#A01731 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01731

7.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01731	#FFFFFF	#000000	##FFFFFF
##A01731	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)

#433F31

Deuteranopia (green-blind)

#655B2D

Tritanopia (blue-blind)

#B00023

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01731;
/* rgb */ color: rgb(160, 23, 49);
/* oklch */ color: oklch(45.8% 0.169 18.2);

Tailwind

colors: {
  custom: {
    50: '#c46668',
    500: '#a01731',
    950: '#000000',
  },
}

SCSS

$custom: #a01731;
$custom-light: #c46668;
$custom-dark: #000000;

JSON

{
  "hex": "#a01731",
  "rgb": {
    "r": 160,
    "g": 23,
    "b": 49
  },
  "hsl": {
    "h": 348.613,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.45761,
    "c": 0.16896,
    "h": 18.2
  },
  "luminance": 0.08308
}

Semantic roles & 50–950 ramp

primary

#A01731

secondary

#4CC7B0

accent

#F1CE36

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140706

muted

#837A7A

Preview Lab

Preview with #A01731

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

Preview Lab → · Contrast checker → · Palette generator →