#D53D3B#D53D3B

#D53D3B is a mid, vivid red. Relative luminance 0.178; OKLCH L 58.5% C 0.189 H 25.8°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#D53D3B
RGB	rgb(213, 61, 59)
HSL	hsl(1, 65%, 53%)
HSV	hsv(1, 72%, 84%)
CMYK	cmyk(0%, 71.4%, 72.3%, 16.5%)
CIE-LAB	lab(49.26, 58.78, 36.41)
CIE-LCH	lch(49.26, 69.14, 31.78°)
OKLab	oklab(58.52% 0.1705 0.0826)
OKLCH	oklch(58.52% 0.189 25.8)
XYZ	xyz(29.9021, 17.8039, 5.9988)
Luminance	0.1780 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D53D3B #3BD3D5

analogous

#D53B86 #D53D3B #D58A3B

triadic

#D53D3B #3BD53D #3D3BD5

tetradic

#D53D3B #86D53B #3BD3D5 #8A3BD5

square

#D53D3B #86D53B #3BD3D5 #8A3BD5

split-complementary

#D53D3B #3BD58A #3B86D5

monochromatic

#7B1C1A #AE2725 #D53D3B #E06F6D #EBA1A0

Accessibility & contrast

On white

4.61

#D53D3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#D53D3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #D53D3B

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D53D3B	#FFFFFF	#000000	##FFFFFF
##D53D3B	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#696039

Deuteranopia (green-blind)

#8F8136

Tritanopia (blue-blind)

#EA003E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #d53d3b;
/* rgb */ color: rgb(213, 61, 59);
/* oklch */ color: oklch(58.5% 0.189 25.8);

Tailwind

colors: {
  custom: {
    50: '#eb7d71',
    500: '#d53d3b',
    950: '#000000',
  },
}

SCSS

$custom: #d53d3b;
$custom-light: #eb7d71;
$custom-dark: #000000;

JSON

{
  "hex": "#d53d3b",
  "rgb": {
    "r": 213,
    "g": 61,
    "b": 59
  },
  "hsl": {
    "h": 0.779,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58522,
    "c": 0.1894,
    "h": 25.8
  },
  "luminance": 0.17799
}

Semantic roles & 50–950 ramp

primary

#D53D3B

secondary

#95D6D7

accent

#E6E840

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D53D3B

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

Preview Lab → · Contrast checker → · Palette generator →