#A01D23#A01D23

#A01D23 is a mid, vivid red. Relative luminance 0.085; OKLCH L 45.9% C 0.166 H 24.9°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#A01D23
RGB	rgb(160, 29, 35)
HSL	hsl(357, 69%, 37%)
HSV	hsv(357, 82%, 63%)
CMYK	cmyk(0%, 81.9%, 78.1%, 37.3%)
CIE-LAB	lab(34.96, 52.01, 31.60)
CIE-LCH	lch(34.96, 60.86, 31.28°)
OKLab	oklab(45.94% 0.1505 0.0697)
OKLCH	oklch(45.94% 0.166 24.9)
XYZ	xyz(15.2418, 8.4761, 2.4233)
Luminance	0.0847 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01D23 #1DA09A

analogous

#A01D65 #A01D23 #A0591D

triadic

#A01D23 #23A01D #1D23A0

tetradic

#A01D23 #65A01D #1DA09A #591DA0

square

#A01D23 #65A01D #1DA09A #591DA0

split-complementary

#A01D23 #1DA059 #1D65A0

monochromatic

#380A0C #6C1418 #A01D23 #D4262E #E1575D

Accessibility & contrast

On white

7.79

#A01D23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#A01D23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01D23

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01D23	#FFFFFF	#000000	##FFFFFF
##A01D23	1.00	7.79	2.69	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#474022

Deuteranopia (green-blind)

#675C1E

Tritanopia (blue-blind)

#B10021

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a01d23;
/* rgb */ color: rgb(160, 29, 35);
/* oklch */ color: oklch(45.9% 0.166 24.9);

Tailwind

colors: {
  custom: {
    50: '#c5675e',
    500: '#a01d23',
    950: '#000000',
  },
}

SCSS

$custom: #a01d23;
$custom-light: #c5675e;
$custom-dark: #000000;

JSON

{
  "hex": "#a01d23",
  "rgb": {
    "r": 160,
    "g": 29,
    "b": 35
  },
  "hsl": {
    "h": 357.252,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.45943,
    "c": 0.16583,
    "h": 24.9
  },
  "luminance": 0.08474
}

Semantic roles & 50–950 ramp

primary

#A01D23

secondary

#55C4BF

accent

#ECE43C

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A01D23

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

Preview Lab → · Contrast checker → · Palette generator →