#A11A18#A11A18

#A11A18 is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.8% C 0.170 H 27.8°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#A11A18
RGB	rgb(161, 26, 24)
HSL	hsl(1, 74%, 36%)
HSV	hsv(1, 85%, 63%)
CMYK	cmyk(0%, 83.9%, 85.1%, 36.9%)
CIE-LAB	lab(34.77, 52.76, 37.74)
CIE-LCH	lch(34.77, 64.87, 35.58°)
OKLab	oklab(45.81% 0.1504 0.0792)
OKLCH	oklch(45.81% 0.17 27.8)
XYZ	xyz(15.2341, 8.3843, 1.6802)
Luminance	0.0838 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11A18 #189FA1

analogous

#A1185B #A11A18 #A15F18

triadic

#A11A18 #18A11A #1A18A1

tetradic

#A11A18 #5BA118 #189FA1 #5F18A1

square

#A11A18 #5BA118 #189FA1 #5F18A1

split-complementary

#A11A18 #18A15F #185BA1

monochromatic

#360908 #6C1110 #A11A18 #D62320 #E5514F

Accessibility & contrast

On white

7.85

#A11A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A11A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11A18

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11A18	#FFFFFF	#000000	##FFFFFF
##A11A18	1.00	7.85	2.68	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F15

Deuteranopia (green-blind)

#685C10

Tritanopia (blue-blind)

#B2001C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11a18;
/* rgb */ color: rgb(161, 26, 24);
/* oklch */ color: oklch(45.8% 0.170 27.8);

Tailwind

colors: {
  custom: {
    50: '#c76656',
    500: '#a11a18',
    950: '#000000',
  },
}

SCSS

$custom: #a11a18;
$custom-light: #c76656;
$custom-dark: #000000;

JSON

{
  "hex": "#a11a18",
  "rgb": {
    "r": 161,
    "g": 26,
    "b": 24
  },
  "hsl": {
    "h": 0.876,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.45807,
    "c": 0.16995,
    "h": 27.8
  },
  "luminance": 0.08382
}

Semantic roles & 50–950 ramp

primary

#A11A18

secondary

#4EC5C7

accent

#EEF137

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A11A18

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

Preview Lab → · Contrast checker → · Palette generator →