#D53F3F#D53F3F

#D53F3F is a mid, vivid red. Relative luminance 0.181; OKLCH L 58.8% C 0.187 H 25.0°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#D53F3F
RGB	rgb(213, 63, 63)
HSL	hsl(0, 64%, 54%)
HSV	hsv(0, 70%, 84%)
CMYK	cmyk(0%, 70.4%, 70.4%, 16.5%)
CIE-LAB	lab(49.57, 58.23, 34.48)
CIE-LCH	lch(49.57, 67.68, 30.63°)
OKLab	oklab(58.78% 0.1696 0.0791)
OKLCH	oklch(58.78% 0.187 25)
XYZ	xyz(30.1186, 18.0645, 6.6026)
Luminance	0.1806 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D53F3F #3FD5D5

analogous

#D53F8A #D53F3F #D58A3F

triadic

#D53F3F #3FD53F #3F3FD5

tetradic

#D53F3F #8AD53F #3FD5D5 #8A3FD5

square

#D53F3F #8AD53F #3FD5D5 #8A3FD5

split-complementary

#D53F3F #3FD58A #3F8AD5

monochromatic

#7E1C1C #B02727 #D53F3F #E07171 #EBA3A3

Accessibility & contrast

On white

4.55

#D53F3F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#D53F3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #D53F3F

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D53F3F	#FFFFFF	#000000	##000000
##D53F3F	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A613D

Deuteranopia (green-blind)

#8F823A

Tritanopia (blue-blind)

#EA0541

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #d53f3f;
/* rgb */ color: rgb(213, 63, 63);
/* oklch */ color: oklch(58.8% 0.187 25.0);

Tailwind

colors: {
  custom: {
    50: '#ea7e74',
    500: '#d53f3f',
    950: '#000000',
  },
}

SCSS

$custom: #d53f3f;
$custom-light: #ea7e74;
$custom-dark: #000000;

JSON

{
  "hex": "#d53f3f",
  "rgb": {
    "r": 213,
    "g": 63,
    "b": 63
  },
  "hsl": {
    "h": 0,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58775,
    "c": 0.18711,
    "h": 25
  },
  "luminance": 0.1806
}

Semantic roles & 50–950 ramp

primary

#D53F3F

secondary

#98D8D8

accent

#E7E741

background

#FFF8F7

surface

#FFEFED

border

#D7CAC8

text

#180B08

muted

#867C7B

Preview Lab

Preview with #D53F3F

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

Preview Lab → · Contrast checker → · Palette generator →