#DE3729#DE3729

#DE3729 is a mid, highly saturated red. Relative luminance 0.184; OKLCH L 59.3% C 0.205 H 29.4°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#DE3729
RGB	rgb(222, 55, 41)
HSL	hsl(5, 73%, 52%)
HSV	hsv(5, 82%, 87%)
CMYK	cmyk(0%, 75.2%, 81.5%, 12.9%)
CIE-LAB	lab(50.01, 62.93, 47.46)
CIE-LCH	lch(50.01, 78.82, 37.03°)
OKLab	oklab(59.33% 0.1789 0.101)
OKLCH	oklch(59.33% 0.205 29.4)
XYZ	xyz(31.8945, 18.4272, 3.9748)
Luminance	0.1842 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DE3729 #29D0DE

analogous

#DE2976 #DE3729 #DE9229

triadic

#DE3729 #29DE37 #3729DE

tetradic

#DE3729 #76DE29 #29D0DE #9229DE

square

#DE3729 #76DE29 #29D0DE #9229DE

split-complementary

#DE3729 #29DE92 #2976DE

monochromatic

#7A1B13 #AF261B #DE3729 #E6695E #EE9A93

Accessibility & contrast

On white

4.48

#DE3729 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#DE3729 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #DE3729

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DE3729	#FFFFFF	#000000	##000000
##DE3729	1.00	4.48	4.68	4.68
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B6025

Deuteranopia (green-blind)

#948420

Tritanopia (blue-blind)

#F50036

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #de3729;
/* rgb */ color: rgb(222, 55, 41);
/* oklch */ color: oklch(59.3% 0.205 29.4);

Tailwind

colors: {
  custom: {
    50: '#f37b65',
    500: '#de3729',
    950: '#000000',
  },
}

SCSS

$custom: #de3729;
$custom-light: #f37b65;
$custom-dark: #000000;

JSON

{
  "hex": "#de3729",
  "rgb": {
    "r": 222,
    "g": 55,
    "b": 41
  },
  "hsl": {
    "h": 4.641,
    "s": 73.279,
    "l": 51.569
  },
  "oklch": {
    "l": 0.59325,
    "c": 0.20541,
    "h": 29.4
  },
  "luminance": 0.18422
}

Semantic roles & 50–950 ramp

primary

#DE3729

secondary

#8AD3D9

accent

#E2F038

background

#FFF8F6

surface

#FFEFEB

border

#D7CAC6

text

#190A06

muted

#867C7A

Preview Lab

Preview with #DE3729

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

Preview Lab → · Contrast checker → · Palette generator →