#A63136#A63136

#A63136 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.1% C 0.153 H 22.5°. Best body text is #FFFFFF at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#A63136
RGB	rgb(166, 49, 54)
HSL	hsl(357, 54%, 42%)
HSV	hsv(357, 70%, 65%)
CMYK	cmyk(0%, 70.5%, 67.5%, 34.9%)
CIE-LAB	lab(38.85, 47.98, 24.87)
CIE-LCH	lch(38.85, 54.04, 27.40°)
OKLab	oklab(49.14% 0.1411 0.0585)
OKLCH	oklch(49.14% 0.153 22.5)
XYZ	xyz(17.4919, 10.5725, 4.6090)
Luminance	0.1057 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A63136 #31A6A1

analogous

#A63171 #A63136 #A66731

triadic

#A63136 #36A631 #3136A6

tetradic

#A63136 #71A631 #31A6A1 #6731A6

square

#A63136 #71A631 #31A6A1 #6731A6

split-complementary

#A63136 #31A667 #3171A6

monochromatic

#471517 #772327 #A63136 #CA4A50 #D87A7E

Accessibility & contrast

On white

6.74

#A63136 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A63136 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A63136

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A63136	#FFFFFF	#000000	##FFFFFF
##A63136	1.00	6.74	3.11	6.74
#FFFFFF	6.74	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C35

Deuteranopia (green-blind)

#6F6533

Tritanopia (blue-blind)

#B60D34

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a63136;
/* rgb */ color: rgb(166, 49, 54);
/* oklch */ color: oklch(49.1% 0.153 22.5);

Tailwind

colors: {
  custom: {
    50: '#c8716d',
    500: '#a63136',
    950: '#000000',
  },
}

SCSS

$custom: #a63136;
$custom-light: #c8716d;
$custom-dark: #000000;

JSON

{
  "hex": "#a63136",
  "rgb": {
    "r": 166,
    "g": 49,
    "b": 54
  },
  "hsl": {
    "h": 357.436,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.4914,
    "c": 0.15273,
    "h": 22.5
  },
  "luminance": 0.1057
}

Semantic roles & 50–950 ramp

primary

#A63136

secondary

#73C0BD

accent

#DED74A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140807

muted

#837B7A

Preview Lab

Preview with #A63136

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

Preview Lab → · Contrast checker → · Palette generator →