#A1333B#A1333B

#A1333B is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.6% C 0.145 H 20.3°. Best body text is #FFFFFF at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#A1333B
RGB	rgb(161, 51, 59)
HSL	hsl(356, 52%, 42%)
HSV	hsv(356, 68%, 63%)
CMYK	cmyk(0%, 68.3%, 63.4%, 36.9%)
CIE-LAB	lab(38.31, 45.80, 20.89)
CIE-LCH	lch(38.31, 50.34, 24.52°)
OKLab	oklab(48.59% 0.1358 0.0503)
OKLCH	oklch(48.59% 0.145 20.3)
XYZ	xyz(16.6728, 10.2628, 5.2398)
Luminance	0.1026 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1333B #33A199

analogous

#A13372 #A1333B #A16233

triadic

#A1333B #3BA133 #333BA1

tetradic

#A1333B #72A133 #33A199 #6233A1

square

#A1333B #72A133 #33A199 #6233A1

split-complementary

#A1333B #33A162 #3372A1

monochromatic

#441619 #73242A #A1333B #C64B54 #D57A80

Accessibility & contrast

On white

6.88

#A1333B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#A1333B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A1333B

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1333B	#FFFFFF	#000000	##FFFFFF
##A1333B	1.00	6.88	3.05	6.88
#FFFFFF	6.88	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504B3B

Deuteranopia (green-blind)

#6C6338

Tritanopia (blue-blind)

#B11837

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a1333b;
/* rgb */ color: rgb(161, 51, 59);
/* oklch */ color: oklch(48.6% 0.145 20.3);

Tailwind

colors: {
  custom: {
    50: '#c37170',
    500: '#a1333b',
    950: '#000000',
  },
}

SCSS

$custom: #a1333b;
$custom-light: #c37170;
$custom-dark: #000000;

JSON

{
  "hex": "#a1333b",
  "rgb": {
    "r": 161,
    "g": 51,
    "b": 59
  },
  "hsl": {
    "h": 355.636,
    "s": 51.887,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48593,
    "c": 0.14481,
    "h": 20.3
  },
  "luminance": 0.1026
}

Semantic roles & 50–950 ramp

primary

#A1333B

secondary

#72BDB8

accent

#DBD14C

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140807

muted

#827B7A

Preview Lab

Preview with #A1333B

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

Preview Lab → · Contrast checker → · Palette generator →