#A33130#A33130

#A33130 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.5% C 0.150 H 25.1°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#A33130
RGB	rgb(163, 49, 48)
HSL	hsl(1, 55%, 41%)
HSV	hsv(1, 71%, 64%)
CMYK	cmyk(0%, 69.9%, 70.6%, 36.1%)
CIE-LAB	lab(38.20, 46.65, 27.61)
CIE-LCH	lch(38.20, 54.21, 30.62°)
OKLab	oklab(48.52% 0.136 0.0638)
OKLCH	oklch(48.52% 0.15 25.1)
XYZ	xyz(16.7379, 10.1990, 3.8830)
Luminance	0.1020 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33130 #30A2A3

analogous

#A33069 #A33130 #A36B30

triadic

#A33130 #30A331 #3130A3

tetradic

#A33130 #69A330 #30A2A3 #6B30A3

square

#A33130 #69A330 #30A2A3 #6B30A3

split-complementary

#A33130 #30A36B #3069A3

monochromatic

#441514 #742322 #A33130 #C94847 #D77777

Accessibility & contrast

On white

6.91

#A33130 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#A33130 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33130

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33130	#FFFFFF	#000000	##FFFFFF
##A33130	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514A2F

Deuteranopia (green-blind)

#6D632C

Tritanopia (blue-blind)

#B30E32

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a33130;
/* rgb */ color: rgb(163, 49, 48);
/* oklch */ color: oklch(48.5% 0.150 25.1);

Tailwind

colors: {
  custom: {
    50: '#c67068',
    500: '#a33130',
    950: '#000000',
  },
}

SCSS

$custom: #a33130;
$custom-light: #c67068;
$custom-dark: #000000;

JSON

{
  "hex": "#a33130",
  "rgb": {
    "r": 163,
    "g": 49,
    "b": 48
  },
  "hsl": {
    "h": 0.522,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.48519,
    "c": 0.15019,
    "h": 25.1
  },
  "luminance": 0.10197
}

Semantic roles & 50–950 ramp

primary

#A33130

secondary

#70BEBF

accent

#DDDE4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140806

muted

#837B7A

Preview Lab

Preview with #A33130

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

Preview Lab → · Contrast checker → · Palette generator →