#A01C23#A01C23

#A01C23 is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.9% C 0.167 H 24.7°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#A01C23
RGB	rgb(160, 28, 35)
HSL	hsl(357, 70%, 37%)
HSV	hsv(357, 83%, 63%)
CMYK	cmyk(0%, 82.5%, 78.1%, 37.3%)
CIE-LAB	lab(34.86, 52.28, 31.49)
CIE-LCH	lch(34.86, 61.04, 31.06°)
OKLab	oklab(45.87% 0.1513 0.0695)
OKLCH	oklch(45.87% 0.167 24.7)
XYZ	xyz(15.2177, 8.4279, 2.4153)
Luminance	0.0843 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01C23 #1CA099

analogous

#A01C65 #A01C23 #A0571C

triadic

#A01C23 #23A01C #1C23A0

tetradic

#A01C23 #65A01C #1CA099 #571CA0

square

#A01C23 #65A01C #1CA099 #571CA0

split-complementary

#A01C23 #1CA057 #1C65A0

monochromatic

#380A0C #6C1318 #A01C23 #D4252E #E1555D

Accessibility & contrast

On white

7.82

#A01C23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#A01C23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01C23

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01C23	#FFFFFF	#000000	##FFFFFF
##A01C23	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474022

Deuteranopia (green-blind)

#675C1D

Tritanopia (blue-blind)

#B10020

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01c23;
/* rgb */ color: rgb(160, 28, 35);
/* oklch */ color: oklch(45.9% 0.167 24.7);

Tailwind

colors: {
  custom: {
    50: '#c5675e',
    500: '#a01c23',
    950: '#000000',
  },
}

SCSS

$custom: #a01c23;
$custom-light: #c5675e;
$custom-dark: #000000;

JSON

{
  "hex": "#a01c23",
  "rgb": {
    "r": 160,
    "g": 28,
    "b": 35
  },
  "hsl": {
    "h": 356.818,
    "s": 70.213,
    "l": 36.863
  },
  "oklch": {
    "l": 0.45871,
    "c": 0.16651,
    "h": 24.7
  },
  "luminance": 0.08425
}

Semantic roles & 50–950 ramp

primary

#A01C23

secondary

#53C4BE

accent

#EDE43B

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01C23

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

Preview Lab → · Contrast checker → · Palette generator →