#D33537#D33537

#D33537 is a mid, vivid red. Relative luminance 0.167; OKLCH L 57.4% C 0.195 H 25.3°. Best body text is #FFFFFF at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#D33537
RGB	rgb(211, 53, 55)
HSL	hsl(359, 64%, 52%)
HSV	hsv(359, 75%, 83%)
CMYK	cmyk(0%, 74.9%, 73.9%, 17.3%)
CIE-LAB	lab(47.85, 60.74, 36.99)
CIE-LCH	lch(47.85, 71.12, 31.34°)
OKLab	oklab(57.39% 0.1761 0.0831)
OKLCH	oklch(57.39% 0.195 25.3)
XYZ	xyz(28.8300, 16.6754, 5.3143)
Luminance	0.1667 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33537 #35D3D1

analogous

#D33586 #D33537 #D38235

triadic

#D33537 #37D335 #3537D3

tetradic

#D33537 #86D335 #35D3D1 #8235D3

square

#D33537 #86D335 #35D3D1 #8235D3

split-complementary

#D33537 #35D382 #3586D3

monochromatic

#74191A #A72426 #D33537 #DE6769 #E99A9B

Accessibility & contrast

On white

4.85

#D33537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.33

#D33537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D33537

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33537	#FFFFFF	#000000	##FFFFFF
##D33537	1.00	4.85	4.33	4.85
#FFFFFF	4.85	1.00	21.00	1.00
#000000	4.33	21.00	1.00	21.00
##FFFFFF	4.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#655C35

Deuteranopia (green-blind)

#8C7E31

Tritanopia (blue-blind)

#E80038

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #d33537;
/* rgb */ color: rgb(211, 53, 55);
/* oklch */ color: oklch(57.4% 0.195 25.3);

Tailwind

colors: {
  custom: {
    50: '#ea796e',
    500: '#d33537',
    950: '#000000',
  },
}

SCSS

$custom: #d33537;
$custom-light: #ea796e;
$custom-dark: #000000;

JSON

{
  "hex": "#d33537",
  "rgb": {
    "r": 211,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 359.241,
    "s": 64.228,
    "l": 51.765
  },
  "oklch": {
    "l": 0.57389,
    "c": 0.19468,
    "h": 25.3
  },
  "luminance": 0.16671
}

Semantic roles & 50–950 ramp

primary

#D33537

secondary

#8FD5D4

accent

#E7E541

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D33537

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

Preview Lab → · Contrast checker → · Palette generator →