#A01F21#A01F21

#A01F21 is a mid, vivid red. Relative luminance 0.086; OKLCH L 46.1% C 0.165 H 26.0°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#A01F21
RGB	rgb(160, 31, 33)
HSL	hsl(359, 68%, 37%)
HSV	hsv(359, 81%, 63%)
CMYK	cmyk(0%, 80.6%, 79.4%, 37.3%)
CIE-LAB	lab(35.13, 51.37, 32.97)
CIE-LCH	lch(35.13, 61.04, 32.70°)
OKLab	oklab(46.07% 0.148 0.0721)
OKLCH	oklch(46.07% 0.165 26)
XYZ	xyz(15.2636, 8.5658, 2.2882)
Luminance	0.0856 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01F21 #1FA09E

analogous

#A01F61 #A01F21 #A05E1F

triadic

#A01F21 #21A01F #1F21A0

tetradic

#A01F21 #61A01F #1FA09E #5E1FA0

square

#A01F21 #61A01F #1FA09E #5E1FA0

split-complementary

#A01F21 #1FA05E #1F61A0

monochromatic

#390B0C #6D1516 #A01F21 #D3292C #DF5A5C

Accessibility & contrast

On white

7.74

#A01F21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#A01F21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01F21

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01F21	#FFFFFF	#000000	##FFFFFF
##A01F21	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48411F

Deuteranopia (green-blind)

#685D1B

Tritanopia (blue-blind)

#B10022

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a01f21;
/* rgb */ color: rgb(160, 31, 33);
/* oklch */ color: oklch(46.1% 0.165 26.0);

Tailwind

colors: {
  custom: {
    50: '#c5685d',
    500: '#a01f21',
    950: '#000000',
  },
}

SCSS

$custom: #a01f21;
$custom-light: #c5685d;
$custom-dark: #000000;

JSON

{
  "hex": "#a01f21",
  "rgb": {
    "r": 160,
    "g": 31,
    "b": 33
  },
  "hsl": {
    "h": 359.07,
    "s": 67.539,
    "l": 37.451
  },
  "oklch": {
    "l": 0.46068,
    "c": 0.16461,
    "h": 26
  },
  "luminance": 0.08563
}

Semantic roles & 50–950 ramp

primary

#A01F21

secondary

#58C3C1

accent

#EAE83D

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01F21

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

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