#A13636#A13636

#A13636 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.142 H 24.0°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#A13636
RGB	rgb(161, 54, 54)
HSL	hsl(0, 50%, 42%)
HSV	hsv(0, 66%, 63%)
CMYK	cmyk(0%, 66.5%, 66.5%, 36.9%)
CIE-LAB	lab(38.70, 44.19, 24.48)
CIE-LCH	lch(38.70, 50.52, 28.98°)
OKLab	oklab(48.86% 0.1297 0.0578)
OKLCH	oklch(48.86% 0.142 24)
XYZ	xyz(16.6847, 10.4841, 4.6344)
Luminance	0.1048 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13636 #36A1A1

analogous

#A1366C #A13636 #A16C36

triadic

#A13636 #36A136 #3636A1

tetradic

#A13636 #6CA136 #36A1A1 #6C36A1

square

#A13636 #6CA136 #36A1A1 #6C36A1

split-complementary

#A13636 #36A16C #366CA1

monochromatic

#451717 #732727 #A13636 #C45050 #D47E7E

Accessibility & contrast

On white

6.78

#A13636 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A13636 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13636

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13636	#FFFFFF	#000000	##FFFFFF
##A13636	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D35

Deuteranopia (green-blind)

#6D6433

Tritanopia (blue-blind)

#B11C37

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a13636;
/* rgb */ color: rgb(161, 54, 54);
/* oklch */ color: oklch(48.9% 0.142 24.0);

Tailwind

colors: {
  custom: {
    50: '#c3736d',
    500: '#a13636',
    950: '#000000',
  },
}

SCSS

$custom: #a13636;
$custom-light: #c3736d;
$custom-dark: #000000;

JSON

{
  "hex": "#a13636",
  "rgb": {
    "r": 161,
    "g": 54,
    "b": 54
  },
  "hsl": {
    "h": 0,
    "s": 49.767,
    "l": 42.157
  },
  "oklch": {
    "l": 0.48855,
    "c": 0.14202,
    "h": 24
  },
  "luminance": 0.10482
}

Semantic roles & 50–950 ramp

primary

#A13636

secondary

#76BDBD

accent

#D9D94F

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140807

muted

#827B7A

Preview Lab

Preview with #A13636

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

Preview Lab → · Contrast checker → · Palette generator →