#DD4737#DD4737

#DD4737 is a mid, vivid red. Relative luminance 0.202; OKLCH L 60.8% C 0.189 H 29.6°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#DD4737
RGB	rgb(221, 71, 55)
HSL	hsl(6, 71%, 54%)
HSV	hsv(6, 75%, 87%)
CMYK	cmyk(0%, 67.9%, 75.1%, 13.3%)
CIE-LAB	lab(52.02, 57.41, 42.11)
CIE-LCH	lch(52.02, 71.20, 36.26°)
OKLab	oklab(60.83% 0.1644 0.0936)
OKLCH	oklch(60.83% 0.189 29.6)
XYZ	xyz(32.7653, 20.1593, 5.7796)
Luminance	0.2015 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DD4737 #37CDDD

analogous

#DD377A #DD4737 #DD9A37

triadic

#DD4737 #37DD47 #4737DD

tetradic

#DD4737 #7ADD37 #37CDDD #9A37DD

square

#DD4737 #7ADD37 #37CDDD #9A37DD

split-complementary

#DD4737 #37DD9A #377ADD

monochromatic

#832116 #B82E1F #DD4737 #E6776B #EFA7A0

Accessibility & contrast

On white

4.17

#DD4737 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#DD4737 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #DD4737

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DD4737	#FFFFFF	#000000	##000000
##DD4737	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#726734

Deuteranopia (green-blind)

#978831

Tritanopia (blue-blind)

#F31544

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #dd4737;
/* rgb */ color: rgb(221, 71, 55);
/* oklch */ color: oklch(60.8% 0.189 29.6);

Tailwind

colors: {
  custom: {
    50: '#f0836f',
    500: '#dd4737',
    950: '#000000',
  },
}

SCSS

$custom: #dd4737;
$custom-light: #f0836f;
$custom-dark: #000000;

JSON

{
  "hex": "#dd4737",
  "rgb": {
    "r": 221,
    "g": 71,
    "b": 55
  },
  "hsl": {
    "h": 5.783,
    "s": 70.94,
    "l": 54.118
  },
  "oklch": {
    "l": 0.60834,
    "c": 0.18918,
    "h": 29.6
  },
  "luminance": 0.20154
}

Semantic roles & 50–950 ramp

primary

#DD4737

secondary

#95D4DB

accent

#DCEE3A

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#180B07

muted

#867C7A

Preview Lab

Preview with #DD4737

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

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