#A13633#A13633

#A13633 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.142 H 25.5°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#A13633
RGB	rgb(161, 54, 51)
HSL	hsl(2, 52%, 42%)
HSV	hsv(2, 68%, 63%)
CMYK	cmyk(0%, 66.5%, 68.3%, 36.9%)
CIE-LAB	lab(38.65, 44.02, 26.25)
CIE-LCH	lch(38.65, 51.25, 30.81°)
OKLab	oklab(48.8% 0.1286 0.0613)
OKLCH	oklch(48.8% 0.142 25.5)
XYZ	xyz(16.6164, 10.4568, 4.2747)
Luminance	0.1045 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13633 #339EA1

analogous

#A13367 #A13633 #A16D33

triadic

#A13633 #33A136 #3633A1

tetradic

#A13633 #67A133 #339EA1 #6D33A1

square

#A13633 #67A133 #339EA1 #6D33A1

split-complementary

#A13633 #33A16D #3367A1

monochromatic

#441716 #732624 #A13633 #C64F4B #D57C7A

Accessibility & contrast

On white

6.79

#A13633 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A13633 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13633

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13633	#FFFFFF	#000000	##FFFFFF
##A13633	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C32

Deuteranopia (green-blind)

#6E6430

Tritanopia (blue-blind)

#B11B36

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a13633;
/* rgb */ color: rgb(161, 54, 51);
/* oklch */ color: oklch(48.8% 0.142 25.5);

Tailwind

colors: {
  custom: {
    50: '#c4736b',
    500: '#a13633',
    950: '#000000',
  },
}

SCSS

$custom: #a13633;
$custom-light: #c4736b;
$custom-dark: #000000;

JSON

{
  "hex": "#a13633",
  "rgb": {
    "r": 161,
    "g": 54,
    "b": 51
  },
  "hsl": {
    "h": 1.636,
    "s": 51.887,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48804,
    "c": 0.14243,
    "h": 25.5
  },
  "luminance": 0.10454
}

Semantic roles & 50–950 ramp

primary

#A13633

secondary

#72BBBD

accent

#D7DB4C

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140806

muted

#827B7A

Preview Lab

Preview with #A13633

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

Preview Lab → · Contrast checker → · Palette generator →