#A81B3E#A81B3E

#A81B3E is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.174 H 14.0°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#A81B3E
RGB	rgb(168, 27, 62)
HSL	hsl(345, 72%, 38%)
HSV	hsv(345, 84%, 66%)
CMYK	cmyk(0%, 83.9%, 63.1%, 34.1%)
CIE-LAB	lab(36.85, 56.15, 17.35)
CIE-LCH	lch(36.85, 58.77, 17.17°)
OKLab	oklab(47.78% 0.1687 0.0422)
OKLCH	oklch(47.78% 0.174 14)
XYZ	xyz(17.4118, 9.4592, 5.4655)
Luminance	0.0946 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81B3E #1BA885

analogous

#A81B85 #A81B3E #A83E1B

triadic

#A81B3E #3EA81B #1B3EA8

tetradic

#A81B3E #85A81B #1BA885 #3E1BA8

square

#A81B3E #85A81B #1BA885 #3E1BA8

split-complementary

#A81B3E #1BA83E #1B85A8

monochromatic

#3F0A17 #73132B #A81B3E #DC2452 #E4597C

Accessibility & contrast

On white

7.26

#A81B3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#A81B3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81B3E

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81B3E	#FFFFFF	#000000	##FFFFFF
##A81B3E	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#46443E

Deuteranopia (green-blind)

#69613A

Tritanopia (blue-blind)

#B8002B

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81b3e;
/* rgb */ color: rgb(168, 27, 62);
/* oklch */ color: oklch(47.8% 0.174 14.0);

Tailwind

colors: {
  custom: {
    50: '#c96972',
    500: '#a81b3e',
    950: '#000000',
  },
}

SCSS

$custom: #a81b3e;
$custom-light: #c96972;
$custom-dark: #000000;

JSON

{
  "hex": "#a81b3e",
  "rgb": {
    "r": 168,
    "g": 27,
    "b": 62
  },
  "hsl": {
    "h": 345.106,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.47776,
    "c": 0.17386,
    "h": 14
  },
  "luminance": 0.09456
}

Semantic roles & 50–950 ramp

primary

#A81B3E

secondary

#57C8AC

accent

#EFC239

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150708

muted

#837A7B

Preview Lab

Preview with #A81B3E

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

Preview Lab → · Contrast checker → · Palette generator →