#A01918#A01918

#A01918 is a mid, vivid red. Relative luminance 0.082; OKLCH L 45.5% C 0.170 H 27.6°. Best body text is #FFFFFF at 7.93:1 contrast (WCAG AA passes).

Color values

HEX	#A01918
RGB	rgb(160, 25, 24)
HSL	hsl(0, 74%, 36%)
HSV	hsv(0, 85%, 63%)
CMYK	cmyk(0%, 84.4%, 85%, 37.3%)
CIE-LAB	lab(34.47, 52.72, 37.39)
CIE-LCH	lch(34.47, 64.63, 35.35°)
OKLab	oklab(45.55% 0.1504 0.0785)
OKLCH	oklch(45.55% 0.17 27.6)
XYZ	xyz(15.0116, 8.2373, 1.6635)
Luminance	0.0824 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A01918 #189FA0

analogous

#A0185B #A01918 #A05D18

triadic

#A01918 #18A019 #1918A0

tetradic

#A01918 #5BA018 #189FA0 #5D18A0

square

#A01918 #5BA018 #189FA0 #5D18A0

split-complementary

#A01918 #18A05D #185BA0

monochromatic

#360808 #6B1110 #A01918 #D52120 #E44F4E

Accessibility & contrast

On white

7.93

#A01918 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#A01918 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A01918

7.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A01918	#FFFFFF	#000000	##FFFFFF
##A01918	1.00	7.93	2.65	7.93
#FFFFFF	7.93	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#463E16

Deuteranopia (green-blind)

#675B10

Tritanopia (blue-blind)

#B1001B

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #a01918;
/* rgb */ color: rgb(160, 25, 24);
/* oklch */ color: oklch(45.5% 0.170 27.6);

Tailwind

colors: {
  custom: {
    50: '#c66656',
    500: '#a01918',
    950: '#000000',
  },
}

SCSS

$custom: #a01918;
$custom-light: #c66656;
$custom-dark: #000000;

JSON

{
  "hex": "#a01918",
  "rgb": {
    "r": 160,
    "g": 25,
    "b": 24
  },
  "hsl": {
    "h": 0.441,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45549,
    "c": 0.16962,
    "h": 27.6
  },
  "luminance": 0.08235
}

Semantic roles & 50–950 ramp

primary

#A01918

secondary

#4DC6C6

accent

#EFF137

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150603

muted

#837A78

Preview Lab

Preview with #A01918

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

Preview Lab → · Contrast checker → · Palette generator →