#D33A39#D33A39

#D33A39 is a mid, vivid red. Relative luminance 0.172; OKLCH L 57.9% C 0.190 H 25.7°. Best body text is #FFFFFF at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#D33A39
RGB	rgb(211, 58, 57)
HSL	hsl(0, 64%, 53%)
HSV	hsv(0, 73%, 83%)
CMYK	cmyk(0%, 72.5%, 73%, 17.3%)
CIE-LAB	lab(48.48, 59.14, 36.57)
CIE-LCH	lch(48.48, 69.53, 31.73°)
OKLab	oklab(57.87% 0.1714 0.0826)
OKLCH	oklch(57.87% 0.19 25.7)
XYZ	xyz(29.1189, 17.1748, 5.6519)
Luminance	0.1717 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#D33A39 #39D2D3

analogous

#D33985 #D33A39 #D38739

triadic

#D33A39 #39D33A #3A39D3

tetradic

#D33A39 #85D339 #39D2D3 #8739D3

square

#D33A39 #85D339 #39D2D3 #8739D3

split-complementary

#D33A39 #39D387 #3985D3

monochromatic

#771B1A #A92626 #D33A39 #DE6C6B #E99E9D

Accessibility & contrast

On white

4.74

#D33A39 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.43

#D33A39 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #D33A39

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##D33A39	#FFFFFF	#000000	##FFFFFF
##D33A39	1.00	4.74	4.43	4.74
#FFFFFF	4.74	1.00	21.00	1.00
#000000	4.43	21.00	1.00	21.00
##FFFFFF	4.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#675E37

Deuteranopia (green-blind)

#8D7F34

Tritanopia (blue-blind)

#E8003C

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #d33a39;
/* rgb */ color: rgb(211, 58, 57);
/* oklch */ color: oklch(57.9% 0.190 25.7);

Tailwind

colors: {
  custom: {
    50: '#e97b70',
    500: '#d33a39',
    950: '#000000',
  },
}

SCSS

$custom: #d33a39;
$custom-light: #e97b70;
$custom-dark: #000000;

JSON

{
  "hex": "#d33a39",
  "rgb": {
    "r": 211,
    "g": 58,
    "b": 57
  },
  "hsl": {
    "h": 0.39,
    "s": 63.636,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57867,
    "c": 0.19027,
    "h": 25.7
  },
  "luminance": 0.1717
}

Semantic roles & 50–950 ramp

primary

#D33A39

secondary

#92D5D5

accent

#E6E741

background

#FFF7F6

surface

#FFEEEC

border

#D7C9C7

text

#180A07

muted

#867C7A

Preview Lab

Preview with #D33A39

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

Preview Lab → · Contrast checker → · Palette generator →