#A33A30#A33A30

#A33A30 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.141 H 28.6°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#A33A30
RGB	rgb(163, 58, 48)
HSL	hsl(5, 55%, 41%)
HSV	hsv(5, 71%, 64%)
CMYK	cmyk(0%, 64.4%, 70.6%, 36.1%)
CIE-LAB	lab(39.63, 42.78, 29.31)
CIE-LCH	lch(39.63, 51.85, 34.42°)
OKLab	oklab(49.59% 0.1238 0.0675)
OKLCH	oklch(49.59% 0.141 28.6)
XYZ	xyz(17.1526, 11.0284, 4.0212)
Luminance	0.1103 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33A30 #3099A3

analogous

#A33060 #A33A30 #A37430

triadic

#A33A30 #30A33A #3A30A3

tetradic

#A33A30 #60A330 #3099A3 #7430A3

square

#A33A30 #60A330 #3099A3 #7430A3

split-complementary

#A33A30 #30A374 #3060A3

monochromatic

#441814 #742922 #A33A30 #C95347 #D77F77

Accessibility & contrast

On white

6.55

#A33A30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A33A30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33A30

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33A30	#FFFFFF	#000000	##FFFFFF
##A33A30	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574F2E

Deuteranopia (green-blind)

#71662D

Tritanopia (blue-blind)

#B32138

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a33a30;
/* rgb */ color: rgb(163, 58, 48);
/* oklch */ color: oklch(49.6% 0.141 28.6);

Tailwind

colors: {
  custom: {
    50: '#c57568',
    500: '#a33a30',
    950: '#000000',
  },
}

SCSS

$custom: #a33a30;
$custom-light: #c57568;
$custom-dark: #000000;

JSON

{
  "hex": "#a33a30",
  "rgb": {
    "r": 163,
    "g": 58,
    "b": 48
  },
  "hsl": {
    "h": 5.217,
    "s": 54.502,
    "l": 41.373
  },
  "oklch": {
    "l": 0.49592,
    "c": 0.141,
    "h": 28.6
  },
  "luminance": 0.11026
}

Semantic roles & 50–950 ramp

primary

#A33A30

secondary

#70B8BF

accent

#D1DE4A

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#140906

muted

#837B7A

Preview Lab

Preview with #A33A30

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

Preview Lab → · Contrast checker → · Palette generator →