#A81D39#A81D39

#A81D39 is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.172 H 16.6°. Best body text is #FFFFFF at 7.24:1 contrast (WCAG AA passes).

Color values

HEX	#A81D39
RGB	rgb(168, 29, 57)
HSL	hsl(348, 71%, 39%)
HSV	hsv(348, 83%, 66%)
CMYK	cmyk(0%, 82.7%, 66.1%, 34.1%)
CIE-LAB	lab(36.93, 55.36, 20.65)
CIE-LCH	lch(36.93, 59.08, 20.46°)
OKLab	oklab(47.8% 0.1651 0.0493)
OKLCH	oklch(47.8% 0.172 16.6)
XYZ	xyz(17.3283, 9.5017, 4.7917)
Luminance	0.0950 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A81D39 #1DA88C

analogous

#A81D7E #A81D39 #A8471D

triadic

#A81D39 #39A81D #1D39A8

tetradic

#A81D39 #7EA81D #1DA88C #471DA8

square

#A81D39 #7EA81D #1DA88C #471DA8

split-complementary

#A81D39 #1DA847 #1D7EA8

monochromatic

#400B16 #741427 #A81D39 #DA284C #E35C78

Accessibility & contrast

On white

7.24

#A81D39 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#A81D39 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A81D39

7.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A81D39	#FFFFFF	#000000	##FFFFFF
##A81D39	1.00	7.24	2.90	7.24
#FFFFFF	7.24	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#484439

Deuteranopia (green-blind)

#6A6135

Tritanopia (blue-blind)

#B9002A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #a81d39;
/* rgb */ color: rgb(168, 29, 57);
/* oklch */ color: oklch(47.8% 0.172 16.6);

Tailwind

colors: {
  custom: {
    50: '#ca696f',
    500: '#a81d39',
    950: '#000000',
  },
}

SCSS

$custom: #a81d39;
$custom-light: #ca696f;
$custom-dark: #000000;

JSON

{
  "hex": "#a81d39",
  "rgb": {
    "r": 168,
    "g": 29,
    "b": 57
  },
  "hsl": {
    "h": 347.914,
    "s": 70.558,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47803,
    "c": 0.17225,
    "h": 16.6
  },
  "luminance": 0.09499
}

Semantic roles & 50–950 ramp

primary

#A81D39

secondary

#5AC7B1

accent

#EDC93A

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150707

muted

#837A7A

Preview Lab

Preview with #A81D39

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

Preview Lab → · Contrast checker → · Palette generator →