#DD4437#DD4437

#DD4437 is a mid, vivid red. Relative luminance 0.198; OKLCH L 60.5% C 0.192 H 28.9°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#DD4437
RGB	rgb(221, 68, 55)
HSL	hsl(5, 71%, 54%)
HSV	hsv(5, 75%, 87%)
CMYK	cmyk(0%, 69.2%, 75.1%, 13.3%)
CIE-LAB	lab(51.60, 58.56, 41.65)
CIE-LCH	lch(51.60, 71.86, 35.42°)
OKLab	oklab(60.52% 0.168 0.0926)
OKLCH	oklch(60.52% 0.192 28.9)
XYZ	xyz(32.5792, 19.7871, 5.7175)
Luminance	0.1978 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#DD4437 #37D0DD

analogous

#DD377D #DD4437 #DD9737

triadic

#DD4437 #37DD44 #4437DD

tetradic

#DD4437 #7DDD37 #37D0DD #9737DD

square

#DD4437 #7DDD37 #37D0DD #9737DD

split-complementary

#DD4437 #37DD97 #377DDD

monochromatic

#831F16 #B82B1F #DD4437 #E6756B #EFA6A0

Accessibility & contrast

On white

4.24

#DD4437 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#DD4437 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #DD4437

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##DD4437	#FFFFFF	#000000	##000000
##DD4437	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#706634

Deuteranopia (green-blind)

#968731

Tritanopia (blue-blind)

#F30942

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #dd4437;
/* rgb */ color: rgb(221, 68, 55);
/* oklch */ color: oklch(60.5% 0.192 28.9);

Tailwind

colors: {
  custom: {
    50: '#f1816f',
    500: '#dd4437',
    950: '#000000',
  },
}

SCSS

$custom: #dd4437;
$custom-light: #f1816f;
$custom-dark: #000000;

JSON

{
  "hex": "#dd4437",
  "rgb": {
    "r": 221,
    "g": 68,
    "b": 55
  },
  "hsl": {
    "h": 4.699,
    "s": 70.94,
    "l": 54.118
  },
  "oklch": {
    "l": 0.60519,
    "c": 0.19183,
    "h": 28.9
  },
  "luminance": 0.19782
}

Semantic roles & 50–950 ramp

primary

#DD4437

secondary

#95D6DB

accent

#E0EE3A

background

#FFF8F6

surface

#FFEFEC

border

#D7CAC7

text

#190B07

muted

#867C7A

Preview Lab

Preview with #DD4437

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

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