#D53A3A#D53A3A

#D53A3A is a mid, vivid red. Relative luminance 0.175; OKLCH L 58.2% C 0.192 H 25.5°. Best body text is #FFFFFF at 4.67:1 contrast (WCAG AA passes).

Color values

HEX	#D53A3A
RGB	rgb(213, 58, 58)
HSL	hsl(0, 65%, 53%)
HSV	hsv(0, 73%, 84%)
CMYK	cmyk(0%, 72.8%, 72.8%, 16.5%)
CIE-LAB	lab(48.86, 59.79, 36.53)
CIE-LCH	lch(48.86, 70.07, 31.42°)
OKLab	oklab(58.22% 0.1735 0.0826)
OKLCH	oklch(58.22% 0.192 25.5)
XYZ	xyz(29.7207, 17.4823, 5.8116)
Luminance	0.1748 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D53A3A #3AD5D5

analogous

#D53A87 #D53A3A #D5873A

triadic

#D53A3A #3AD53A #3A3AD5

tetradic

#D53A3A #87D53A #3AD5D5 #873AD5

square

#D53A3A #87D53A #3AD5D5 #873AD5

split-complementary

#D53A3A #3AD587 #3A87D5

monochromatic

#7A1A1A #AD2525 #D53A3A #E06C6C #EB9F9F

Accessibility & contrast

On white

4.67

#D53A3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.50

#D53A3A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D53A3A

4.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D53A3A	#FFFFFF	#000000	##FFFFFF
##D53A3A	1.00	4.67	4.50	4.67
#FFFFFF	4.67	1.00	21.00	1.00
#000000	4.50	21.00	1.00	21.00
##FFFFFF	4.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#685F38

Deuteranopia (green-blind)

#8E8034

Tritanopia (blue-blind)

#EA003C

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #d53a3a;
/* rgb */ color: rgb(213, 58, 58);
/* oklch */ color: oklch(58.2% 0.192 25.5);

Tailwind

colors: {
  custom: {
    50: '#eb7b70',
    500: '#d53a3a',
    950: '#000000',
  },
}

SCSS

$custom: #d53a3a;
$custom-light: #eb7b70;
$custom-dark: #000000;

JSON

{
  "hex": "#d53a3a",
  "rgb": {
    "r": 213,
    "g": 58,
    "b": 58
  },
  "hsl": {
    "h": 0,
    "s": 64.854,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58223,
    "c": 0.19213,
    "h": 25.5
  },
  "luminance": 0.17478
}

Semantic roles & 50–950 ramp

primary

#D53A3A

secondary

#94D7D7

accent

#E8E840

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D53A3A

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

Preview Lab → · Contrast checker → · Palette generator →