#D53F3B#D53F3B

#D53F3B is a mid, vivid red. Relative luminance 0.180; OKLCH L 58.7% C 0.188 H 26.3°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#D53F3B
RGB	rgb(213, 63, 59)
HSL	hsl(2, 65%, 53%)
HSV	hsv(2, 72%, 84%)
CMYK	cmyk(0%, 70.4%, 72.3%, 16.5%)
CIE-LAB	lab(49.52, 58.05, 36.71)
CIE-LCH	lch(49.52, 68.69, 32.31°)
OKLab	oklab(58.72% 0.1682 0.0832)
OKLCH	oklch(58.72% 0.188 26.3)
XYZ	xyz(30.0109, 18.0214, 6.0351)
Luminance	0.1802 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D53F3B #3BD1D5

analogous

#D53B84 #D53F3B #D58C3B

triadic

#D53F3B #3BD53F #3F3BD5

tetradic

#D53F3B #84D53B #3BD1D5 #8C3BD5

square

#D53F3B #84D53B #3BD1D5 #8C3BD5

split-complementary

#D53F3B #3BD58C #3B84D5

monochromatic

#7B1D1A #AE2925 #D53F3B #E0706D #EBA2A0

Accessibility & contrast

On white

4.56

#D53F3B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#D53F3B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #D53F3B

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D53F3B	#FFFFFF	#000000	##000000
##D53F3B	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A6139

Deuteranopia (green-blind)

#908236

Tritanopia (blue-blind)

#EA0240

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #d53f3b;
/* rgb */ color: rgb(213, 63, 59);
/* oklch */ color: oklch(58.7% 0.188 26.3);

Tailwind

colors: {
  custom: {
    50: '#eb7e71',
    500: '#d53f3b',
    950: '#000000',
  },
}

SCSS

$custom: #d53f3b;
$custom-light: #eb7e71;
$custom-dark: #000000;

JSON

{
  "hex": "#d53f3b",
  "rgb": {
    "r": 213,
    "g": 63,
    "b": 59
  },
  "hsl": {
    "h": 1.558,
    "s": 64.706,
    "l": 53.333
  },
  "oklch": {
    "l": 0.5872,
    "c": 0.18763,
    "h": 26.3
  },
  "luminance": 0.18017
}

Semantic roles & 50–950 ramp

primary

#D53F3B

secondary

#95D5D7

accent

#E3E840

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180B08

muted

#867C7B

Preview Lab

Preview with #D53F3B

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

Preview Lab → · Contrast checker → · Palette generator →