#A01631#A01631

#A01631 is a mid, vivid red. Relative luminance 0.083; OKLCH L 45.7% C 0.170 H 18.0°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#A01631
RGB	rgb(160, 22, 49)
HSL	hsl(348, 76%, 36%)
HSV	hsv(348, 86%, 63%)
CMYK	cmyk(0%, 86.3%, 69.4%, 37.3%)
CIE-LAB	lab(34.54, 54.38, 22.40)
CIE-LCH	lch(34.54, 58.81, 22.39°)
OKLab	oklab(45.7% 0.1613 0.0525)
OKLCH	oklch(45.7% 0.17 18)
XYZ	xyz(15.3403, 8.2716, 3.6940)
Luminance	0.0827 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01631 #16A085

analogous

#A01676 #A01631 #A04016

triadic

#A01631 #31A016 #1631A0

tetradic

#A01631 #76A016 #16A085 #4016A0

square

#A01631 #76A016 #16A085 #4016A0

split-complementary

#A01631 #16A040 #1676A0

monochromatic

#340710 #6A0F21 #A01631 #D61D41 #E64A69

Accessibility & contrast

On white

7.91

#A01631 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#A01631 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01631

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01631	#FFFFFF	#000000	##FFFFFF
##A01631	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	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: #a01631;
/* rgb */ color: rgb(160, 22, 49);
/* oklch */ color: oklch(45.7% 0.170 18.0);

Tailwind

colors: {
  custom: {
    50: '#c46568',
    500: '#a01631',
    950: '#000000',
  },
}

SCSS

$custom: #a01631;
$custom-light: #c46568;
$custom-dark: #000000;

JSON

{
  "hex": "#a01631",
  "rgb": {
    "r": 160,
    "g": 22,
    "b": 49
  },
  "hsl": {
    "h": 348.261,
    "s": 75.824,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45702,
    "c": 0.16959,
    "h": 18
  },
  "luminance": 0.08269
}

Semantic roles & 50–950 ramp

primary

#A01631

secondary

#4AC8AF

accent

#F2CD35

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140706

muted

#837A7A

Preview Lab

Preview with #A01631

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

Preview Lab → · Contrast checker → · Palette generator →